Helmer PC900i Service Manual
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Helmer PC900i Service Manual

I.series and horizon series, platelet incubator
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Download this manual See also: Operating Manual
Countertop
i.Series
PC100i, PC900i, PC1200i
PC100h, PC900h, PC1200h
Floor
i.Series
PC2200i, PC3200i, PC4200i
PC2200h, PC3200h, PC4200h
Platelet Incubator Service Manual
®
i.Series
and Horizon Series™
360096-1/P

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Summary of Contents for Helmer PC900i

  • Page 1 Platelet Incubator Service Manual ® i.Series and Horizon Series™ Countertop i.Series PC100i, PC900i, PC1200i PC100h, PC900h, PC1200h Floor i.Series PC2200i, PC3200i, PC4200i PC2200h, PC3200h, PC4200h 360096-1/P...
  • Page 2 , Horizon Series™, AgiTrak™, and Rel.i™ are registered trademarks or trademarks of Helmer, Inc. in ® the United States of America. Copyright © 2017 Helmer, Inc. All other trademarks and registered trademarks are the property of their respective owners. Helmer, Inc., doing business as (DBA) Helmer Scientific and Helmer.

  • Page 3: Table Of Contents

    Helmer Scientific Platelet Incubator Service Manual Contents About this Manual ....................5 Safety Precautions and Symbols .
  • Page 4 Helmer Scientific Platelet Incubator Service Manual Troubleshooting ....................40 General Operation Problems .
  • Page 5 Helmer Scientific Platelet Incubator Service Manual 14 Troubleshooting ....................81 14.1...

  • Page 6: About This Manual

    Task Indicates procedures which need to be followed. Note Provides useful information regarding a procedure or operating technique when using Helmer Scientific products. NOTICE Advises the user against initiating an action or creating a situation which could result in damage to equipment;...

  • Page 7: Product Labels

    ♦ Use supplied power cord only. ♦ Using the equipment in a manner not specified by Helmer Scientific may impair the protection provided by the equipment. ♦ Ensure biological materials are stored safely, in accordance with all applicable organizational, regulatory, and legal requirements.

  • Page 8: Control System

    Helmer Scientific Platelet Incubator Service Manual Control System Note Service information varies depending on the control system. i.Center Control System i.Series platelet incubators are equipped with the i.Center monitoring system. A separate temperature controller is located behind the control panel on the platelet incubator.

  • Page 9: Chart Recorder

    Helmer Scientific Platelet Incubator Service Manual Chart Recorder If installed, refer to the Temperature Chart Recorder Operation and Service Manual. The chart recorder has a battery system, enabling a period of continuous operation if power is lost. Battery life varies by manufacturer as well as voltage level remaining.

  • Page 10: I.series ® Models

    Helmer Scientific Platelet Incubator Service Manual ® i.Series Models Installation and Configuration Install Batteries for Backup Power The monitoring system and chart recorder each have a battery system, enabling a period of continuous operation if power is lost. Battery life varies by manufacturer as well as voltage level remaining. Providing full power is available and no battery-related alarms are active, backup power for the monitoring system is available for up to two hours.

  • Page 11: Install A Platelet Agitator In The Platelet Incubator

    • The bypass plug is needed if multiple platelet agitators are installed, and not all are Helmer i.Series platelet agitators. For each position in which a non-Helmer i.Series platelet agitator is installed, the bypass plug must be installed in the data port.

  • Page 12: Configure Drawers (Pc4200I)

    Helmer Scientific Platelet Incubator Service Manual Connect to Remote Alarm Interface 1. Switch the Battery ON/OFF key switch OFF. Switch the AC ON/OFF switch OFF. 2. On the alarm panel, locate the remote alarm terminals. 3. Connect remote alarm wires to appropriate terminals, according to requirements for your alarm system.

  • Page 13: Temperature Monitor Settings

    The setting for the temperature graph feature (Enabled or Disabled) Agitator Alarms Settings for the motion alarm for each Helmer i.Series agitator installed in the platelet incubator, or built-in agitator (PC4200i) • All platelet incubators are programmed to monitor three positions, even though some models accommodate fewer platelet agitators.

  • Page 14: Home Screen

    Helmer Scientific Platelet Incubator Service Manual Home Screen The Home screen appears when the HOME button is touched from any other screen, or there is no interaction for two minutes on any screen other than the password entry screen. HOME screen on the monitoring system.

  • Page 15: Main Screen

    View the setting for the temperature graph display View the settings for agitator alarms Product/Company Information View the software versions for control and display components of the monitoring system View information to contact Helmer i.Help Access the on-board help system View real-time agitation speed and cycle counts...

  • Page 16: Change Configuration Password

    Helmer Scientific Platelet Incubator Service Manual 3.3 Change Configuration Password The default password is 1234. A new password must use four digits, ranging from 1 to 5. Change the password: 1. On the Home screen, press the MAIN button. 2. Press the DOWN button to select Edit Configuration. Press the SELECT button.

  • Page 17: Factory Default Settings

    Temperature Chart Recorder operation and service manual. (2) Applicable to PC4200 platelet incubators. For other models, this alarm applies if a Helmer i.Series platelet agitator is installed as Agitator 1. (3) Applicable to PC2200 and PC3200 platelet incubators with a Helmer i.Series platelet agitator installed as Agitator 2.

  • Page 18: Alarm Settings

    Helmer Scientific Platelet Incubator Service Manual 3.7 Alarm Settings The following alarm settings may be changed by the operator. The setpoint for temperature alarms may be changed (where applicable), as well as the time delay between when the alarm condition commences and when the visual and audible alarms are initiated.
  • Page 19 The default setpoint is 50 °C and can be changed from -40 °C to +80 °C. NOTICE Condenser Temperature Alarm should not be changed unless directed by Helmer Technical Service. Change Condenser Temperature Setpoint: 1. Press the MAIN button.
  • Page 20 Helmer Scientific Platelet Incubator Service Manual Door Ajar Timeout The Door Ajar Timeout specifies longest time the platelet incubator door(s) can be open before the alarm activates. If the time elapsed since the last door opening is greater than or equal to this value, the alarm activates. The default delay setting is three (3) minutes and can be changed from 0 to 60 minutes.

  • Page 21: Alarm Tests

    Helmer Scientific Platelet Incubator Service Manual Alarm Tests Test alarms to ensure they are working correctly. The platelet incubator has alarms for chamber temperature, compressor temperature, door open (time), agitation motion (for installed platelet agitators and built-in PC4200i platelet agitator), low battery, and power failure.
  • Page 22 Helmer Scientific Platelet Incubator Service Manual Manual Chamber Temperature Alarm Test (PC100i) Notes • Perform the low alarm test before the high alarm test to control the temperature more closely and complete the testing more quickly. • Calibrate the chamber temperature probe prior to performing the manual chamber alarm test.
  • Page 23 Helmer Scientific Platelet Incubator Service Manual 5. Slide the probe tip upward and free the probe from the bracket. 6. Immerse the probe in cold water. Ensure the probe is at the bottom of the glass. 7. When the low temperature alarm sounds, note the temperature on the monitoring system display.
  • Page 24 Helmer Scientific Platelet Incubator Service Manual Door Ajar Alarm Test 1. Press the MAIN button. 2. Press the DOWN button to highlight Edit Configuration. Press the SELECT button. 3. Enter the password when prompted. 4. Press the DOWN button to highlight Agitator Setpoints. Press the SELECT button.

  • Page 25: Agitrak™ System

    Helmer Scientific Platelet Incubator Service Manual 3.9 AgiTrak™ System The AgiTrak system is integrated into the i.Center monitoring system. The AgiTrak system simultaneously receives motion information from as many as three i.Series platelet agitators. Within the AgiTrak interface, the topmost platelet agitator installed in the platelet incubator is numbered 1, and subsequent platelet agitators are numbered in ascending order.

  • Page 26: Additional System Settings

    If a flash memory card is not included with the platelet incubator, the languages may have been loaded to the i.Center prior to shipment. To obtain a flash memory card to load an alternate language, contact Helmer Technical Service. Note Each time the platelet incubator is powered on, the i.Center display language must be selected.
  • Page 27 Helmer Scientific Platelet Incubator Service Manual Date and Time The Date Format setting controls the order in which the month (mm) and day (dd) are displayed. The default date format is mm/dd/yyyy. The Clock Mode setting controls whether the time is displayed in a 12-hour or 24-hour format. When using the 12-hour format, AM or PM must be specified.
  • Page 28 Helmer Scientific Platelet Incubator Service Manual Enable or disable the temperature graph: 1. Press the MAIN button. 2. Press the DOWN button to highlight Edit Configuration. Press the SELECT button. 3. Enter the password when prompted. 4. Press the DOWN button to highlight System Options. Press the SELECT button.
  • Page 29 Helmer Scientific Platelet Incubator Service Manual Condenser Temperature The temperature of the condenser discharge line may be referenced for troubleshooting operational problems. View Condenser Temperature: 1. Press the MAIN button. 2. Press the DOWN button to highlight System Alarm Test & Status. Press the SELECT button. The condenser temperature is displayed.

  • Page 30: Event Log

    Helmer Scientific Platelet Incubator Service Manual 3.11 Event Log The Event Log allows 50 (most recent) alarm events to be viewed and shows information regarding the number of door opening from the current and previous day. Information regarding agitator cycle counter reset can also be viewed.

  • Page 31: System Firmware Upgrade

    FFFFFFFFF Cycles counted since the last reset event 3.12 System Firmware Upgrade Helmer may occasionally issue updates for the i.Center firmware. Follow upgrade instructions included with the firmware update. 3.13 Reset the i.Center Monitoring System 1. Switch the Battery ON/OFF key switch OFF. 2. Switch the AC ON/OFF switch OFF.

  • Page 32: Temperature Controller Setpoints

    View / Change Parameter Values: NOTICE Changing parameter values affects platelet incubator operation. Do not change parameter values unless instructed in product documentation or by Helmer Technical Service. Note When there is no interaction for 60 seconds, the temperature controller exits program mode. 1. Press and hold the UP and DOWN buttons simultaneously for approximately three seconds. “tunE” and “oFF” flash on the display.

  • Page 33: Level 1 Parameters And Values

    Helmer Scientific Platelet Incubator Service Manual Level 1 Parameters and Values Notes • Parameters are listed in order of appearance. • SP1 refers to the chamber heater. • SP2 refers to the temperature alarm for Horizon Series models. • Default values for AL.Lo and AL.hi may vary: the values listed are for temperature controllers programmed at the factory with a platelet incubator setpoint of 22 °C.

  • Page 34: Level 2 Parameters And Values

    Helmer Scientific Platelet Incubator Service Manual Level 2 Parameters and Values Default Value Default Value Parameter Description (Countertop Models) (Floor Models) Display of SP1 output power percentage (read-only) (read only) (read only) Selection for manual control of power for SP1 SP1 power limit percentage...

  • Page 35: Level 4 Parameters And Values

    Helmer Scientific Platelet Incubator Service Manual Level 4 Parameters and Values Default Value (Countertop Default Value Parameter Description Models) (Floor Models) Program security lock nonE nonE Derivative sensitivity Display sensitivity (or direct display of input) Disable SP2 alarm annunciator Program mode auto-exit switch (returns display to normal...

  • Page 36: Calibrate The Temperature Controller Display

    NOTICE Do not change the control sensor offset unless instructed in product documentation or by Helmer Technical Service. Notes • Value is factory-preset and varies for each unit •...

  • Page 37: Maintenance

    Helmer Scientific Platelet Incubator Service Manual Maintenance NOTICE • Before performing maintenance, protect items in platelet incubator from extended exposure to adverse temperature. • Allow platelet incubator temperature to stabilize at setpoint after performing service or after extended door opening.

  • Page 38: I.center Batteries

    Helmer Scientific Platelet Incubator Service Manual i.Center Batteries The i.Center monitoring system has visual indicators for battery charge level. If the batteries deplete to a particular voltage output, a flashing Low Battery alarm is initiated. If the batteries are missing or nearly depleted, the flashing No Battery alarm initiates.

  • Page 39: Clean The Platelet Incubator

    Helmer Scientific Platelet Incubator Service Manual Clean the Platelet Incubator WARNING Disconnect platelet incubator from AC power when cleaning. Condenser Grill In environments where the platelet incubator is exposed to excessive lint or dust, the condenser grill may require cleaning more frequently than stated in preventive maintenance schedule.

  • Page 40: Lubricate And Service Internal Parts (Pc4200I)

    Lubricate wheel axles with a light machine oil. Remove the cover to access the front wheels for inspection, cleaning, and lubrication. Replace wheels as necessary. The hole in each wheel should be circular. If the hole is out-of-round, replace the wheel. If the wheels need to be replaced, contact Helmer Technical Service. 360096-1/P...

  • Page 41: Troubleshooting

    Helmer Scientific Platelet Incubator Service Manual Troubleshooting CAUTION Review all safety instructions prior to troubleshooting. General Operation Problems Problem Possible Cause Action Display on the monitoring Screen contrast is set too low. Change the screen contrast. system is hard to read.
  • Page 42 Helmer Scientific Platelet Incubator Service Manual Problem Possible Cause Action Main power switch is on, Connection between terminal board • Check connections between terminal board and temperature controller. but temperature controller is and temperature controller is loose Secure connections if necessary.

  • Page 43: Chamber Temperature Problems

    Helmer Scientific Platelet Incubator Service Manual Problem Possible Cause Action Agitation is noisy or rough One or more wheels are worn. Check hole through each wheel for wear. If a wheel is out-of-round, (PC4200i). replace wheel or wheel assembly. Drive rod is loose or disconnected.
  • Page 44 Helmer Scientific Platelet Incubator Service Manual Problem Possible Cause Action Platelet incubator meets Alarm setpoint was changed. Check current setpoints for alarms. Change setpoints if necessary. a high or low temperature Contact a qualified service technician. Component is faulty or internal alarm condition, but connections are loose.

  • Page 45: Testing Problems

    Helmer Scientific Platelet Incubator Service Manual Problem Possible Cause Action Agitation has stopped, but Motion alarm for position where Enable motion alarm. motion alarm is not active. platelet agitator is installed has been disabled. Platelet agitator alarm setpoint Wait until setpoint has been reached. Alarm should activate.

  • Page 46: Condensation Problems

    Helmer Scientific Platelet Incubator Service Manual Condensation Problems Problem Possible Cause Action Confirm platelet incubator is level and doors are aligned, closing tightly, Excessive water in water Humid air is entering chamber. and sealing correctly. Contact a qualified service technician if necessary.

  • Page 47: I.series Parts

    Helmer Scientific Platelet Incubator Service Manual i.Series Parts Note • Before replacing parts, protect items in platelet incubator from extended exposure to adverse temperature. • Allow platelet incubator temperature to stabilize at setpoint after replacing parts or after extended door opening.
  • Page 48 Helmer Scientific Platelet Incubator Service Manual Door and Hinge Door and Hinge (PC100i) Door and Hinge (PC2200i, PC3200i, and PC4200i) Label Description Model Part Number Label Description Model Part Number Hinge bearing 220295 Door handle 320865-1 Upper hinge bracket 320846-1 Door lock...
  • Page 49 Helmer Scientific Platelet Incubator Service Manual PC100i PC2200i, PC3200i and PC4200i PC900i and PC1200i Part Part Label Description Model Volts Number Label Description Model Volts Number Compressor/condensing unit 100/900/ 400668-1 Power supply board 400633-1 1200 400668-2 Motion alarm battery 4200...
  • Page 50 Helmer Scientific Platelet Incubator Service Manual Rear PC100i, PC900i, and PC1200i PC2200i, PC3200i, and PC4200i Part Part Label Label Description Model Volts Number Description Model Volts Number Power cord 100/900/1200 100/115 120630 Power connector (includes power line filter) 120299 all models...
  • Page 51 Helmer Scientific Platelet Incubator Service Manual 12.4 Interior PC100i PC2200i and PC3200i PC900i and PC1200i Label Description Volts Part Number Label Description Volts Part Number Chamber fan guard 220122 Chamber fan blade 220177 Chamber fan 100/115 120009 Chamber fan motor...
  • Page 52 Helmer Scientific Platelet Incubator Service Manual Agitation Parts (PC4200i) Label Description Part Number Label Description Part Number Drawer stop 400174-1 Wheel track 320215-1 Drawer guide 320540-1 Drive plate 321005-1 (Top left) Drawer guide 320540-2 Wheel assembly 400159-1 (Top right) (includes two wheels, axle, mounting bracket)
  • Page 53 Helmer Scientific Platelet Incubator Service Manual Accessories Label Description Model Volts Part Number Label Description Model Part Number Data Cable 320842-1 Shelf for platelet rotator 400618-1 shown Fan airflow deflector 320967-1 1200 400619-1 Power cord, short 100/900/1200/ 100/115 120316 Label holder kit...

  • Page 54: Schematics

    Helmer Scientific Platelet Incubator Service Manual Schematics 8.1 PC100i, PC900i, PC1200i (100/115 V) 360096-1/P...

  • Page 55: Pc100I, Pc900I, Pc1200I (230 V)

    Helmer Scientific Platelet Incubator Service Manual 8.2 PC100i, PC900i, PC1200i (230 V) MAIN POWER 230 (±10%) V 50 Hz optional feature 230 (±10%) V 60 Hz TEMPERATURE CONTROLLER (AD) CHART 100-240 (AK) POWER RECORDER CHART CONNECTOR 5 4 3 2 BACKUP RECORDER WITH POWER...

  • Page 56: Pc2200I (115 V)

    Helmer Scientific Platelet Incubator Service Manual 8.3 PC2200i (115 V) optional feature TEMPERATURE MAIN POWER CONTROLLER 115 (±10%) V 60 Hz (AD) CHART 100-240 RECORDER CHART 5 4 3 2 POWER BACKUP RECORDER CORD BATTERY SP1 = chamber heater SP2 = temperature alarm...

  • Page 57: Pc2200I (230 V)

    Helmer Scientific Platelet Incubator Service Manual 8.4 PC2200i (230 V) MAIN POWER 230 (±10%) V 50 Hz optional feature 230 (±10%) V 60 Hz TEMPERATURE CONTROLLER (AD) CHART 100-240 (U) POWER RECORDER CHART CONNECTOR 5 4 3 2 BACKUP RECORDER WITH BATTERY...

  • Page 58: Pc3200I (115 V)

    Helmer Scientific Platelet Incubator Service Manual 8.5 PC3200i (115 V) optional feature TEMPERATURE MAIN POWER CONTROLLER 115 (±10%) V 60 Hz (AD) CHART 100-240 RECORDER CHART 5 4 3 2 POWER BACKUP RECORDER CORD BATTERY SP1 = chamber heater SP2 = temperature alarm...

  • Page 59: Pc3200I (230 V)

    Helmer Scientific Platelet Incubator Service Manual 8.6 PC3200i (230 V) MAIN POWER 230 (±10%) V 50 Hz optional feature 230 (±10%) V 60 Hz TEMPERATURE CONTROLLER (AD) CHART 100-240 (U) POWER RECORDER CHART CONNECTOR 5 4 3 2 BACKUP RECORDER WITH BATTERY...

  • Page 60: Pc4200I (115 V)

    Helmer Scientific Platelet Incubator Service Manual 8.7 PC4200i (115 V) optional feature TEMPERATURE MAIN POWER CONTROLLER 115 (±10%) V 60 Hz (AD) CHART 100-240 RECORDER CHART 5 4 3 2 POWER BACKUP RECORDER CORD BATTERY SP1 = chamber heater SP2 = temperature alarm...

  • Page 61: Pc4200I (230 V)

    Helmer Scientific Platelet Incubator Service Manual 8.8 PC4200i (230 V) MAIN POWER 230 (±10%) V 50 Hz optional feature 230 (±10%) V 60 Hz TEMPERATURE CONTROLLER (AD) CHART 100-240 (U) POWER RECORDER CHART CONNECTOR 5 4 3 2 BACKUP RECORDER WITH BATTERY...

  • Page 62: I.center Screen Reference

    Helmer Scientific Platelet Incubator Service Manual i.Center Screen Reference HOME screen MAIN button MAIN screen MUTE button (changes mute timer) MAIN screen Event Log option (Press the SELECT button) EVENT LOG screen EVENT LOG DETAIL screen System Alarm Test & Status option SYSTEM ALARM TEST &...
  • Page 63 Helmer Scientific Platelet Incubator Service Manual (Enter a new password) View Configuration option VIEW CONFIGURATION screen Clock Mode display Date Format display Door Ajar Timeout display Pwr Failure Timeout display High Alarm Setpoint display Low Alarm Setpoint display Cond. Alarm Setpoint display Alarm Volume display...

  • Page 64: Horizon Series™ Models

    Helmer Scientific Platelet Incubator Service Manual Horizon Series™ Models 10 Installation and Configuration 10.1 Install Battery for Backup Power The monitoring and control system and the chart recorder each have a battery system, enabling a period of continuous operation if power is lost.

  • Page 65: Install A Platelet Agitator In The Platelet Incubator

    This chapter is not applicable to the PC4200h platelet incubator, which has a built-in platelet agitator. PC900h platelet incubator with a PF48h platelet agitator installed. Helmer platelet agitators can be installed inside Helmer platelet incubators. PC2200h and PC3200h platelet incubators hold one agitator per shelf. Each shelf features a corresponding power connector.

  • Page 66: Configuring Drawers (Pc4200H)

    Helmer Scientific Platelet Incubator Service Manual Connect to Remote Alarm Interface 1. Switch the Alarm ON/OFF key switch OFF. Switch the AC ON/OFF switch OFF. 2. On the alarm panel, locate the remote alarm terminals. Remote alarm interface. 3. Connect remote alarm wires to appropriate terminals, according to requirements for your alarm system.

  • Page 67: Drawer Labels

    Helmer Scientific Platelet Incubator Service Manual 10.6 Drawer Labels Drawer label holders may be installed on platelet agitator drawers. Installed label holder. Install label holders: 1. Insert the tabs on the label holder into the slots on the drawer. 2. Pivot the holder around the drawer handle. Align the hole on the label holder with the corresponding hole on the drawer.

  • Page 68: Alarm Settings

    Helmer Scientific Platelet Incubator Service Manual 11 Alarm Settings 11.1 Temperature and Power Failure Alarm Volume The alarm volume control and alarm delay control are located on top of the platelet incubator under the access panel. NOTICE Protect items in the platelet incubator from extended exposure to adverse temperatures.

  • Page 69: Motion Alarm (Pc4200H)

    Helmer Scientific Platelet Incubator Service Manual 11.2 Motion Alarm (PC4200h) Unlike other Horizon Series models, the PC4200h platelet incubator has a motion alarm delay control. When the platelet agitator motion stops, this control delays when alarm information is sent to the remote alarm interface on the platelet incubator.

  • Page 70: Alarm Tests

    Helmer Scientific Platelet Incubator Service Manual 11.3 Alarm Tests Test alarms to ensure they are working correctly. The platelet incubator has alarms for chamber temperature, power failure, and agitation motion (for built-in PC4200h platelet agitator). NOTICE Before testing alarms, protect items in the platelet incubator from extended exposure to adverse temperature.
  • Page 71 Helmer Scientific Platelet Incubator Service Manual Chamber Temperature Alarm Test (PC900h, PC1200h, PC2200h, PC3200h, PC4200h) NOTICE • Perform the low alarm test before the high alarm test to control the temperature more closely and complete the testing more quickly. • Calibrate the chamber temperature probe prior to performing the manual chamber alarm test.
  • Page 72 Helmer Scientific Platelet Incubator Service Manual Power Failure Alarm Test During a power failure, the power failure alarm sounds and the battery provides power to the power failure alarm. Test Power Failure Alarm 1. Ensure the power failure alarm backup battery is connected.

  • Page 73: Temperature Controller Setpoints

    View / Change Parameter Values: NOTICE Changing parameter values affects platelet incubator operation. Do not change parameter values unless instructed in product documentation or by Helmer Technical Service. Note When there is no interaction for 60 seconds, the temperature controller exits program mode. 1. Press and hold the UP and DOWN buttons simultaneously for approximately three seconds. “tunE” and “oFF” flash on the display.

  • Page 74: Level 1 Parameters And Values

    Helmer Scientific Platelet Incubator Service Manual 12.1 Level 1 Parameters and Values Notes • Parameters are listed in order of appearance. • SP1 refers to the chamber heater. • SP2 refers to the temperature alarm for Horizon Series models. • Default values for AL.Lo and AL.hi may vary: the values listed are for temperature controllers programmed at the factory with a platelet incubator setpoint of 22 °C.

  • Page 75: Level 2 Parameters And Values

    Helmer Scientific Platelet Incubator Service Manual 12.2 Level 2 Parameters and Values Default Value (Countertop Default Value Parameter Description Models) (Floor Models) Display of SP1 output power percentage (read-only) (read only) (read only) Selection for manual control of power for SP1 SP1 power limit percentage...

  • Page 76: Level 4 Parameters And Values

    NOTICE Do not change the control sensor offset unless instructed in product documentation or by Helmer Technical Service. Notes • Value is factory-preset and varies for each unit •...
  • Page 77 Helmer Scientific Platelet Incubator Service Manual Determine New Offset Value 1. Use the zip tie to attach a calibrated independent thermometer traceable per national standards to the control probe. 2. Close door and allow chamber temperature to stabilize for 30 minutes.

  • Page 78: Maintenance

    Helmer Scientific Platelet Incubator Service Manual Maintenance NOTICE • Before performing maintenance, protect items in platelet incubator from extended exposure to adverse temperature. • Allow platelet incubator temperature to stabilize at setpoint after performing service or after extended door opening.

  • Page 79: Power Failure Alarm Battery

    Helmer Scientific Platelet Incubator Service Manual 13.2 Power Failure Alarm Battery If the backup battery for the Power Failure alarm is depleted, the Power Failure alarm will not activate. Test Power Failure Alarm Backup Battery 1. Disconnect the platelet incubator from AC power. The Power Failure alarm will sound immediately. If the alarm does not sound, replace the battery.

  • Page 80: Clean The Platelet Incubator

    Helmer Scientific Platelet Incubator Service Manual 13.4 Clean the Platelet Incubator WARNING Disconnect platelet incubator from AC power when cleaning. Condenser Grill In environments where platelet incubator is exposed to excessive lint or dust, condenser grill may require cleaning more frequently than stated in preventive maintenance schedule.

  • Page 81: Lubricate And Service Internal Parts (Pc4200H)

    Lubricate wheel axles with a light machine oil. Remove the cover to access the front wheels for inspection, cleaning, and lubrication. Replace wheels as necessary. The hole in each wheel should be circular. If the hole is out-of-round, replace the wheel. If the wheels need to be replaced, contact Helmer Technical Service. 360096-1/P...

  • Page 82: Troubleshooting

    Helmer Scientific Platelet Incubator Service Manual 14 Troubleshooting CAUTION Review all safety instructions prior to troubleshooting. 14.1 General Operation Problems Problem Possible Cause Action Pull the shelf out and confirm the slides are free of debris. Clean if Roll-out shelf does not Debris in the shelf slides.
  • Page 83 Helmer Scientific Platelet Incubator Service Manual Problem Possible Cause Action Main power switch is on, Connection between terminal board • Check connections between the terminal board and compressor. but compressor is not and the compressor is loose or a Secure connections if necessary.

  • Page 84: Chamber Temperature Problems

    Helmer Scientific Platelet Incubator Service Manual Problem Possible Cause Action Agitation is noisy or rough One or more wheels are worn. Check hole through each wheel for wear. If a wheel is out-of-round, (PC4200h). replace wheel or wheel assembly. Drive rod is loose or disconnected.
  • Page 85 Helmer Scientific Platelet Incubator Service Manual Problem Possible Cause Action Contact a qualified service technician. Platelet incubator is not Component is faulty or internal receiving AC power, but connections are loose. power failure alarm is not Alarm backup battery is low.

  • Page 86: Condensation Problems

    Helmer Scientific Platelet Incubator Service Manual 14.4 Condensation Problems Problem Possible Cause Action Confirm platelet incubator is level and doors are aligned, closing tightly, Excessive water in water Humid air is entering chamber. and sealing correctly. Contact a qualified service technician if necessary.

  • Page 87: Horizon Parts

    Helmer Scientific Platelet Incubator Service Manual Horizon Parts NOTICE • Before replacing parts, protect items in platelet incubator from extended exposure to adverse temperature. • Allow platelet incubator temperature to stabilize at setpoint after replacing parts or after extended door opening.
  • Page 88 Helmer Scientific Platelet Incubator Service Manual Door and Hinges Door and Hinge (PC100h) Door and Hinge (PC2200h, PC3200h, and PC4200h) Label Description Model Part Number Label Description Model Part Number Hinge bearing 220295 Door handle 320865-1 Upper hinge bracket 320846-1 Door lock...
  • Page 89 Helmer Scientific Platelet Incubator Service Manual Top / Side PC2200h, PC3200h and PC4200h PC100h Part Part Label Description Model Volts Number Label Description Model Volts Number Power line filter Compressor/condensing unit 100/900/ 400668-1 120400 1200 400668-2 Agitator board 400516-1 Terminal board...
  • Page 90 Helmer Scientific Platelet Incubator Service Manual Rear - All Models PC100h, PC900h, and PC1200h PC2200h, PC3200h, and PC4200h Part Part Label Description Model Volts Number Label Description Model Volts Number Power cord 100, 900, 1200 100/115 120630 Motion Alarm buzzer...
  • Page 91 Helmer Scientific Platelet Incubator Service Manual Interior - All Models PC100h PC900h and PC1200h PC2200h and PC3200h Part Part Label Description Volts Number Label Description Volts Number Chamber fan 100/115 120009 Chamber fan motor 100/115 120170 120010 120171 Chamber fan guard...
  • Page 92 Helmer Scientific Platelet Incubator Service Manual Agitation Parts PC4200h Label Description Part Number Label Description Part Number Drawer stop 400174-1 Wheel track 320215-1 Drawer guide 320540-1 Drive plate 321005-1 (Top left) Drawer guide 320540-2 Wheel assembly 400159-1 (Top right) (includes two wheels, axle, mounting bracket)
  • Page 93 Helmer Scientific Platelet Incubator Service Manual Accessories Label Description Model Volts Part Number Label Description Model Part Number Fan airflow deflector 320967-1 Shelf for platelet rotator 400618-1 shown Bypass plug 400657-1 1200 400619-1 shown Power cord, short 110/115 120316 Label holder kit...

  • Page 94: Schematics

    Helmer Scientific Platelet Incubator Service Manual Schematics 16.1 PC100h, PC900h, PC1200h (100/115 V) MAIN POWER optional feature 100 (±10%) V 50/60 Hz TEMPERATURE 115 (±10%) V 60 Hz CONTROLLER (AD) CHART 100-240 (AK) POWER RECORDER CHART CONNECTOR 5 4 3 2 BACKUP RECORDER WITH POWER...

  • Page 95: Pc100H, Pc900H, Pc1200H (230 V)

    Helmer Scientific Platelet Incubator Service Manual 16.2 PC100h, PC900h, PC1200h (230 V) MAIN POWER 230 (±10%) V 50 Hz optional feature 230 (±10%) V 60 Hz TEMPERATURE CONTROLLER (AD) CHART 100-240 (AK) POWER RECORDER CHART CONNECTOR 5 4 3 2 BACKUP RECORDER WITH POWER...

  • Page 96: Pc2200H (115 V)

    Helmer Scientific Platelet Incubator Service Manual 16.3 PC2200h (115 V) optional feature TEMPERATURE MAIN POWER CONTROLLER 115 (±10%) V 60 Hz (AD) CHART 100-240 RECORDER CHART 5 4 3 2 POWER BACKUP RECORDER CORD BATTERY SP1 = chamber heater SP2 = temperature alarm...

  • Page 97: Pc2200H (230 V)

    Helmer Scientific Platelet Incubator Service Manual 16.4 PC2200h (230 V) MAIN POWER 230 (±10%) V 50 Hz optional feature 230 (±10%) V 60 Hz TEMPERATURE CONTROLLER (AD) CHART 100-240 (U) POWER RECORDER CHART CONNECTOR 5 4 3 2 BACKUP RECORDER WITH BATTERY...

  • Page 98: Pc3200H (115 V)

    Helmer Scientific Platelet Incubator Service Manual 16.5 PC3200h (115 V) optional feature TEMPERATURE MAIN POWER CONTROLLER 115 (±10%) V 60 Hz (AD) CHART 100-240 RECORDER CHART 5 4 3 2 BACKUP RECORDER BATTERY SP1 = chamber heater SP2 = temperature alarm 12 V...

  • Page 99: Pc3200H (230 V)

    Helmer Scientific Platelet Incubator Service Manual 16.6 PC3200h (230 V) MAIN POWER 230 (±10%) V 50 Hz optional feature 230 (±10%) V 60 Hz TEMPERATURE CONTROLLER (AD) CHART 100-240 (U) POWER RECORDER CHART CONNECTOR 5 4 3 2 BACKUP RECORDER WITH BATTERY...

  • Page 100: Pc4200H (115 V)

    Helmer Scientific Platelet Incubator Service Manual 16.7 PC4200h (115 V) optional feature TEMPERATURE MAIN POWER CONTROLLER 115 (±10%) V 60 Hz (AD) CHART 100-240 RECORDER CHART 5 4 3 2 POWER BACKUP RECORDER CORD BATTERY SP1 = chamber heater SP2 = temperature alarm...

  • Page 101: Pc4200H (230 V)

    Helmer Scientific Platelet Incubator Service Manual 16.8 PC4200h (230 V) MAIN POWER 230 (±10%) V 50 Hz optional feature 230 (±10%) V 60 Hz TEMPERATURE CONTROLLER (AD) CHART 100-240 (U) POWER RECORDER CHART CONNECTOR 5 4 3 2 BACKUP RECORDER WITH BATTERY...

  • Page 102: Appendix A: Compliance

    Helmer Scientific Platelet Incubator Service Manual Appendix A: Compliance Regulatory Compliance This device complies with the requirements of directive 93/42/EEC concerning Medical Devices, as amended by 2007/47/EC. Sound level is less than 70 dB(A). 0086 Emergo Europe Prinsessegracht 20 2514 AP The Hague...

  • Page 103: Appendix B: Warranty

    Parts For a period of two (2) years, Helmer will supply at no charge, including freight, any part that fails due to defects in material or workmanship under normal use, with the exception of expendable items. Expendable items include glass, batteries, and door gaskets.
  • Page 104 Helmer Scientific 14400 Bergen Boulevard, Noblesville, IN 46060 USA 360096-1/P Copyright © 2017 Helmer, Inc.

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