Steris Basil 6000 Operator's Manual
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Steris Basil 6000 Operator's Manual

Steris Basil 6000 Operator's Manual

Tunnel cage washer
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OPERATOR MANUAL
®
Basil
6000 Tunnel Cage Washer
(2005-08-17)
P122993-622

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  • Page 1 OPERATOR MANUAL ® Basil 6000 Tunnel Cage Washer (2005-08-17) P122993-622...

  • Page 2: A Word From Steris Corporation

    These instructions are important to protect the health and safety of personnel operating a Basil 6000 Tunnel Cage Washer and should be retained in a conveniently accessible area for quick reference.

  • Page 3: Service Information

    STERIS can provide information regard- ing these annual maintenance agreements. STERIS carries a complete line of accessories for use in this equipment. A STERIS representative will gladly review these with you. NOTE: Certain options may not be available in your area. Contact STERIS for product availability and ordering information.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS Section Title Page A WORD FROM STERIS CORPORATION ..........i Advisory ..........................i Indications For Use ......................... i Service Information ........................ ii 1 SAFETY PRECAUTIONS AND SYMBOLS ........1-1 1.1 Symbols on Unit ......................1-3 1.2 Symbols, Information on Nameplate ................1-3 2 INSTALLATION VERIFICATION ............
  • Page 5 TABLE OF CONTENTS (Cont'd) Section Title Page 5 CYCLE AND CONTROL VALUE PROGRAMMING ......5-1 5.1 Program Touch Pads ....................5-1 5.2 Change Values Mode ....................5-1 5.2.1 Programming Cycle Values ................. 5-2 5.2.2 Programming Operating Values ................5-7 5.3 Programming Values With Access Code Enabled ............5-9 5.4 Review and Print Specific Cycle Program ..............

  • Page 6: Safety Precautions And Symbols

    Regularly scheduled preventive maintenance is required for safe and reliable operation of this equipment. Contact STERIS to schedule preventive maintenance. Repairs and adjustments to this equipment must be made only by STERIS or STERIS-trained service personnel. Nonroutine maintenance performed by unqualified personnel or installation of unauthorized parts could cause personal injury, result in improper equipment performance, void the warranty, or result in costly damage.
  • Page 7 WARNING – SLIPPING HAZARD: To avoid slippery floor conditions, immediately wipe up any spilled liquids or drippage. If spilled liquids or drippage are detergents or other chemicals, follow safety precautions and handling procedures set forth on detergent or chemical label and/or Material Safety Data Sheet (MSDS). CAUTION –...

  • Page 8: Symbols On Unit

    Symbol Definition 1.1 Symbols on Unit Warning. Refer to Manual For Further Information. Transfer of Heat, Hot Surface. Protective Earth (Ground). Warning! Risk of Electrical Shock. Symbol Definition 1.2 Symbols, Information on MOD. Model of the Unit. Nameplate SER. Serial Number of the Unit. Power Rating of the Unit.

  • Page 9: Installation Verification

    ❑ Shutoff valves (not provided by STERIS) capable of being locked in OFF position only for maintenance purposes, installed on steam and water lines...

  • Page 10: Technical Specifications

    ❑ Wash solution temperature heated at 140 °F minimum (60 °C minimum). Wash section steam coil functioning properly. ❑ Rinse water temperature maintained at 180 °F (82 °C). Rinse section steam coil functioning properly. ❑ Final Rinse water temperature maintained at 185 °F (85 °C) mean value. ❑...

  • Page 11: Permissible Environmental Conditions

    200 ssu. Follow detergent label recommendations for concentration of chemical to use. To achieve maximum cleaning efficiency, select chemical appropriate to soil type being processed. STERIS recommends the following chemicals: ® • Cage-Klenz 100 Alkaline Cage Wash Detergent - a liquid phosphate-free detergent formulated for the removal of urine scale, organic soils, and metal oxides from cage materials.
  • Page 12 • Liquid Descale Liquid Scale Remover - for removing scale and other hard water deposits. For use in animal care centers. NOTE: Certain products may not be available in your area. Contact STERIS for availability of these products and for ordering information.

  • Page 13: Component Identification

    COMPONENT IDENTIFICATION IMPORTANT: A listing of the Safety Precautions to be observed when operat- 3.1 Washer Sections ing and servicing this equipment can be found in Section 1 of this manual. Do not operate or service the equipment until you have become familiar with this information.
  • Page 14 122993-622 Operator Manual Component Identification...

  • Page 15: Power-Off/Standby Switch

    The POWER-OFF/STANDBY switch supplies unit operation status to the 3.2 POWER-OFF/ washer control (see Figure 3-2). Setting the switch to POWER activates the control and permits unit operation. Setting the switch to OFF/STANDBY places STANDBY Switch control in a Standby mode. While in Standby mode, unit operation is not possible.

  • Page 16: Manual Control Touch Pads

    The two line alpha-numeric screen displays cycle program data on demand, 3.3.1 Display Screen in-cycle performance data, and operator instructions. Display screen also indicates certain abnormal conditions that may occur during a cycle. 3.3.2 Cycle Status Touch Pads • CYCLE MENU touch pad - press to view the first cycle menu. Press again CYCLE to advance the screen to the next cycle menu.

  • Page 17: Program Touch Pads

    3.3.4 Program Touch The Program touch pads allow the programming of twelve distinct cycles and Pads changing of previously programmed cycle values to process different types of loads. Cycle programming may be limited by access code to ensure process integrity. Refer to Section 5, Cycle and Control Value Programming, for details on cycle programming and access code feature.
  • Page 18 Sample Printouts (see Figures 3-5 and 3-6): • POWER UP * CONTROL ON HH:MM:SSP YY/MM/DD When POWER-OFF/STANDBY switch is set to POWER, the generated ======================== printout lists time and date the control was turned on, unit serial number, unit MODEL 6000 title, and unit model.

  • Page 19: Safety System

    A remote control column is installed on the unload side of the unit. This remote 3.5 Unload Side control column is wired directly to the main control processor and includes a control panel. Most washer functions can be directed from this control panel, Control Panel and the display screen concurrently shows the same cycle performance data (Double-Door Units)

  • Page 20: Hydraulic Hold-Down System

    Hydraulic hold-down system allows control of the water pressure exiting the spray 3.8 Hydraulic Hold- jet systems during cycle operation. By decreasing the water pressure to the lower spray jets, the downward pressure from the upper jets will hold the product down Down System on the conveyor (see Section 6.15, Adjust Hydraulic Hold-Down System ).

  • Page 21: Operating Instructions

    OPERATING INSTRUCTIONS IMPORTANT: A listing of the Safety Precautions to be observed when operat- 4.1 Before ing and servicing this equipment can be found in Section 1 of this manual. Do not operate or service the equipment until you have become familiar with this Operating Washer information.

  • Page 22: Loading Unit

    If Garb-el option is not present, load items to be washed as follows: 4.2 Loading Unit 1. Empty all soiled bedding from cages before placing them inside washer. 2. Load feeder bottles upside down in appropriate accessory. WARNING – PERSONAL 3.

  • Page 23: Cycle Operation

    ® The Basil 6000 Tunnel Cage Washer is equipped with a microcomputer 4.4 Cycle Operation control capable of storing parameters for twelve distinct cycles. Authorized operators have capability of customizing/programming all the cycles to meet specific washing needs. For instructions on cycle programming or changing cycle parameters, refer to Section 5, Cycle and Control Value Programming .
  • Page 24 5. To start selected cycle, press CYCLE/START touch pad a second time CYCLE while selected cycle name is displayed. START NOTE: If CYCLE/START touch pad is not pressed a second time while the selected cycle name is displayed, display automatically returns to the cycle menu.

  • Page 25: Stop Cycle

    • RINSE Heated water from the rinse sump is pumped through the spray header over and under the load, then falls back into the rinse sump to be recirculated. • FINAL RINSE Hot water from building supply is fed through an instantaneous heat exchanger, through the final rinse spray header, and falls into the rinse tank.

  • Page 26: Abort Cycle

    4.6 Abort Cycle 1. Press STOP/RESET touch pad to halt cycle in progress. STOP RESET 2. Press STOP/RESET touch pad a second time to abort cycle. Display STOP indicates cycle was aborted: RESET CYCLE ABORTED... and printer message is: *CYCLE ABORTED HH:MM:SSP Control automatically returns to selected cycle menu.

  • Page 27: Run Belt (Or Stop Belt)

    4.7.1 Run Belt (or Stop Belt) Used to energize/de-energize drive belt motor. If RUN BELT is flashing and CYCLE CYCLE/START touch pad is pressed, display shows: START PRESS START TO RUN BELT DRIVE If STOP BELT is flashing and CYCLE/START touch pad is pressed, display CYCLE shows: START...

  • Page 28: Tank Dump

    4. Press STOP/RESET touch pad to turn off all pumps and return to Manual STOP Mode menu. RESET Used to open selected drain ball valve during tank drain time set. If TANK CYCLE DUMP is flashing and CYCLE/START touch pad is pressed, display shows: START WASH TANK RINSE...

  • Page 29: Shutdown Procedure

    At the end of a work session, the washer should be shut down and cleaned 4.8 Shutdown thoroughly. Refer to Section 6, Routine Maintenance, for complete cleaning instructions and scheduled minor maintenance. Procedure 1. Access Manual Control mode and drain tanks as explained in Sec- tion 4.7.3, Tank Dump .

  • Page 30: Dryer Section (Option)

    A stainless-steel hot air dryer section is built into washer at the unload end (see 4.10 Dryer Section Figure 4-3). During normal cycle operation, hot air recirculates through this section. Recirculated air temperature is adjustable up to 210 °F (99 °C). An (Option) air-knife blow-off system removes surplus water from washed items.

  • Page 31: Cycle And Control Value Programming

    CYCLE AND CONTROL VALUE PROGRAMMING IMPORTANT: A listing of the Safety Precautions to be observed when 5.1 Program Touch operating and servicing this equipment can be found in Section 1 of this manual. Do not operate or service the equipment until you have become Pads familiar with this information.

  • Page 32: Programming Cycle Values

    5.2.1 Programming Cycle The following procedure is based on a washer equipped with certain optional Values features. This washer displays messages pertaining to specific optional functions. The specific optional messages change the sequence of messages and additional messages are shown in the following pages to accommodate various washer configurations.
  • Page 33 6. Press CHANGE VALUES touch pad. Alkaline wash selection appears. CHANGE Display shows: VALUES ALK. WASH THIS CYCLE? __Indicates flashing position. 7. Press VALUE arrows (up or down) to toggle between YES and NO. Selecting NO by-passes alkaline wash tank function during cycle (go to Step 17).
  • Page 34 13. Press VALUE arrows (up or down) to toggle between YES and NO. Selecting NO by-passes acid wash tank function during cycle. Selecting YES provides acid wash during cycle. NOTE: Change Values mode may be exited at any time by pressing SAVE VALUES touch pad.
  • Page 35 19. Press CHANGE VALUES touch pad. Final rinse temperature display CHANGE appears: VALUES CYCLE 1 SP=180.0 F FINAL RINSE __ Indicates flashing position. 20. To enter final rinse temperature set point, press CURSOR arrows (left or right) to select position and VALUE arrows (up or down) to select desired number (0-9).
  • Page 36 26. Press VALUE arrows (up or down) to toggle between YES and NO. Selecting YES generates a printout of cycle phase values once SAVE VALUES touch pad or CHANGE VALUES touch pad is pressed. 27. At any point during change values sequence, operator has the option to either continue in Change Values mode or to save values and exit Change Values mode.

  • Page 37: Programming Operating Values

    5.2.2 Programming The following procedure is based on a washer equipped with certain optional Operating Values features. This washer shows messages pertaining to specific optional func- tions. The specific optional messages change the sequence of messages and additional messages are shown in the following pages to accommodate various washer configurations.
  • Page 38 7. Press VALUE arrows (up or down) to toggle between YES and NO. 8. Press CHANGE VALUES touch pad..If timed printout option is ON, display CHANGE shows: VALUES PRINTOUT = MM:SS __ Indicates flashing position. 9.

  • Page 39: Programming Values With Access Code Enabled

    The access code feature is used to prevent unauthorized changes to the 5.3 Programming parameters of designated cycles and/or operating values. With this feature, access to cycle values may be selectively limited to authorized operators, Values With Access depending on the security needs of the washer environment. When access Code Enabled code is enabled, only authorized operators can change operating values regardless of cycles locked out.

  • Page 40: Review And Print Specific Cycle Program

    All cycle programs may be reviewed by accessing the Cycle Review mode 5.4 Review and Print when a cycle is not in progress. The Cycle Review mode allows the user to review and printout the cycle values programmed for the specific cycle Specific Cycle selected.
  • Page 41 and printer message is: =========================== CYCLE PROGRAM REVIEW CYCLE E - CYCLE 6 =========================== REVIEW TIME HH:MM:SS REVIEW DATE YY/MM/DD UNIT NUMBER 0000000 PHASE ----------------------------------------------------- ALK. WASH SP=XXX.X ACTUAL TEMP. = XXX.X TANK LIM LO LP=XXX.X TANK LIM HI HP=XXX.X ACID WASH TEMP.

  • Page 42: Routine Maintenance

    Contact STERIS to This section also includes procedures for the adjustment, repair, or replace- schedule preventive main- ment of selected washer components. Exploded views and assembly draw- tenance.

  • Page 43: Preventive Maintenance Schedule

    2 X/year EACH STEAM TRAP Inspect steam trap for proper operation. 6 X/year Rebuild steam trap as required. As required * Contact STERIS for this service. Service charges may be incurred. Consult your warranty for details. 122993-622 Operator Manual Routine Maintenance...
  • Page 44 OPTIONAL DRYER SECTION* 12.1 Lubricate dryer blower motor. 1 X/year 12.2 Grease blow off chains and bearings. 2 X/year * Contact STERIS for this service. Service charges may be incurred. Consult your warranty for details. Routine Maintenance Operator Manual 122993-622...
  • Page 45 6 X/year 14.5 Inspect work area and washer to ensure removal of all materials used during inspection. 6 X/year * Contact STERIS for this service. Service charges may be incurred. Consult your warranty for details. 122993-622 Operator Manual Routine Maintenance...

  • Page 46: Daily Cleaning Procedures

    • Chamber Solution Screen 6.3 Daily Cleaning NOTE: Clean chamber solution screens while they are still wet, before foreign Procedures matter dries. 1. Lock disconnect switch in OFF position and close building supply valves. 2. Remove access panel from side of cabinet section. WARNING –...

  • Page 47: Weekly Cleaning Procedures

    6.4 Weekly Cleaning Procedures 1. Wash chamber using a mild detergent solution. 6.4.1 Clean Washer Interior 2. Rinse with tap water and dry with a lint-free cloth. WARNING – CHEMICAL 3. If interior is stained, use a general purpose cleaner to remove general BURN AND/OR EYE INJURY stains or a stainless-steel stain remover for stubborn stains, as follows: HAZARD: Detergents are...

  • Page 48: Clean Spray Jets And Headers

    6.4.2 Clean Spray Jets 1. Lock disconnect switch in OFF position and close building supply valves. and Headers 2. Remove top and bottom spray headers one at a time (see Figure 6-2). Lift header up until locator pins clear positioning holes and pull header out of O-ring connector.

  • Page 49: Monthly Cleaning Procedure

    NOTE: Depending on the hardness of water being used, it may be necessary 6.5 Monthly to remove hard water deposits more often. Remove deposits from chamber and material handling accessories whenever deposits become visible. Cleaning Procedure 6.5.1 Remove Hard Water 1.

  • Page 50: Clean Building Supply-Line Strainers

    6.5.2 Clean Building NOTE: Piping tools are required. Contact facility maintenance technician. Supply-Line Strainers 1. Set POWER-OFF/STANDBY switch to OFF/STANDBY. Lock disconnect switch in OFF position and close building supply valves. WARNING – ELECTRICAL 2. Remove hex caps from each strainer body. SHOCK AND/OR BURN HAZARD: Disconnect all 3.

  • Page 51: Clean Rinse Temperature Control Probes

    6.5.4 Clean Rinse 1. Lock disconnect switch in OFF position and close building supply valves. Temperature Control 2. Lower water level in rinse recirculating tank to below probe opening. Probes 3. Loosen compression fitting nut and remove probe from recirculating tank. WARNING –...

  • Page 52: Clean Water Level Sensing Probes

    6.5.5 Clean Water Level 1. Lock disconnect switch in OFF position and close building supply valves. Sensing Probes 2. Remove wires from each of two probes in wash and rinse recirculating tanks. NOTE: Make note of wire locations for reassembly. Reversing wires can WARNING –...

  • Page 53: Changing Printer Paper Roll

    NOTE: Verify paper roll is positioned correctly. Thermal printer does not print if the paper roll is inserted backwards. Use only STERIS thermal paper (P129359-008). Damage to printer mechanism can occur if paper of different width or thickness is used.

  • Page 54: Storing Thermal Paper

    Figure 6-3. Changing Printer Paper Roll Thermal paper is subject to fading with time, humidity, and exposure to light. 6.7 Storing Thermal It is the manufacturer's recommendation that thermal paper be stored in a dark Paper place with an average ambient temperature of less than 77 °F (25 °C) and a relative humidity less than 65%.

  • Page 55: Replace Detergent Squeeze Tube

    (Automatic Detergent Injection System) 6.9 Replace IMPORTANT: It is recommended to disconnect and reconnect one detergent Detergent Squeeze pump at a time. Tube 1. Set POWER-OFF/STANDBY switch to OFF/STANDBY. Lock disconnect switch in OFF position and close building supply valves. 2.

  • Page 56: Replace Cabinet Door Gasket

    Repairs and adjustments to 6. Starting at top center, press and smooth gasket again. this equipment must be made only by STERIS or 7. Re-energize washer utilities. STERIS-trained service per- sonnel. Nonroutine main-...

  • Page 57: Adjust Conveyor Drive Clutch

    1. If washer is running, press STOP/RESET touch pad. 6.11 Adjust 2. Open cabinet access doors and verify nothing is blocking conveyor Conveyor Drive movement. Close access doors. Clutch 3. Start conveyor belt by turning on manual drive system power switch, located on back of electrical control box.

  • Page 58: Grease Conveyor Bearings

    Conveyor bearings must be greased twice a year as follows: 6.12 Grease 1. Locate conveyor grease fittings, two at each end of washer (see Fig- Conveyor Bearings ure 6-7). 2. Apply a high temperature molybdenum grease. Conveyor Grease Fittings (Load-End) Figure 6-7.

  • Page 59: Final Rinse Temperature Controls

    The final rinse water temperature can be controlled manually by regulating the 6.13 Final Rinse flow of steam and hot water through the final rinse heat exchanger. Temperature Adjust final rinse water temperature between 185 and 195 °F (85 and 91 °C) Controls as follows: 1.

  • Page 60: Balance Final Rinse Water Flow

    Repairs and adjustments to 6. Adjust wash water level as follows: this equipment must be made only by STERIS or a.Fully open wash tap valve. Once overflow is observed, completely close STERIS-trained service per- valve then reopen valve one turn (360°) only.
  • Page 61 Pre-Wash Tap Valve Wash Treatment Pump Wash Tap Valve Figure 6-9. Close Pre-Wash and Wash Tap Valves Wash Drain Spout Observation Caps Rinse Drain Spout Figure 6-10. Observation Caps 6-20 122993-622 Operator Manual Routine Maintenance...

  • Page 62: Adjust Hydraulic Hold-Down System

    Hydraulic hold-down system allows manual control of the solution/water 6.15 Adjust pressure exiting the spray jet systems during cycle operation. The water pressure to the upper and lower spray jets can be controlled by adjusting the Hydraulic Hold-Down balancing valves, located inside the wash and rinse chambers. System 1.

  • Page 63: Lubricate Pump Motor

    Pump motor must be lubricated once a year. When necessary, grease can be 6.16 Lubricate completely renewed by forcing out old grease with new grease. Pump Motor 1. If possible, place a pan under motor to catch old grease. NOTE: Motor should be lubricated while warm. 2.

  • Page 64: Inspect And Clean Self-Cleaning Filter

    NOTE: The gasket should last for several inspection procedures. When have been properly locked necessary, order replacement gasket (P764324-398) from STERIS. out. Always follow local electrical safety-related 7. Re-energize washer utilities.

  • Page 65: Lubricate Blower Motor (Option)

    Blower motor must be lubricated once a year. When necessary, grease can 6.18 Lubricate be completely renewed by forcing out old grease with new grease. Blower Motor 1. If possible, place a pan under motor to catch old grease. (Option) NOTE: Motor should be lubricated while warm.

  • Page 66: Belt Speed Control

    Temperature of recirculated hot air is adjustable up to 210 °F (99 °C) by 6.19 Adjust Dryer controlling the amount of steam supplied to the radiator (see Figure 6-15). Temperature 1. To increase temperature, turn steam valve counter-clockwise. Controls (Dryer 2.

  • Page 67: Troubleshooting

    STERIS-trained service per- ing Charts, or if a problem occurs that is not described on the charts, please sonnel. Nonroutine main- call STERIS. A factory-trained technician will promptly place your washer in tenance performed by un- proper working condition. qualified personnel or in- stallation of unauthorized NOTE: Never allow unqualified persons to service the washer.
  • Page 68 Table 7-1. Troubleshooting Chart PROBLEM POSSIBLE CAUSE AND/OR CORRECTION 1. No power. 1. Building electrical supply disconnect switch (circuit breaker) to OFF position. Position switch to ON. 2. Incomplete or loose electrical connection. Inspect all wiring connec- tions. Complete or tighten as necessary. 3.
  • Page 69 Table 7-1. Troubleshooting Chart (Cont'd) PROBLEM POSSIBLE CAUSE AND/OR CORRECTION 6. Too much water entering cham- 1. Water level sensing probe malfunction. Verify operation. Clean or ber. Excess amount of water going replace as necessary. to overflow drain. 2. Fill solenoid valve remains open. Repair or replace valve as necessary.
  • Page 70 Table 7-1. Troubleshooting Chart (Cont'd) PROBLEM POSSIBLE CAUSE AND/OR CORRECTION 11. Low water wash light on. 1. Manual wash drain valve open. Close valve. 2. Too much detergent. Drain wash recirculating tank, refill with fresh water, and decrease detergent injection rate. 3.
  • Page 71 Table 7-1. Troubleshooting Chart (Cont'd) PROBLEM POSSIBLE CAUSE AND/OR CORRECTION 16. Items come out dirty. 1. Empty detergent container. Refill or replace container. 2. Incorrect detergent used. Use recommended products. 3. Spray jets clogged. Clean spray jets and headers. 4. Spray header plugs missing. Replace plugs. 5.
  • Page 72 Table 7-1. Troubleshooting Chart (Cont'd) PROBLEM POSSIBLE CAUSE AND/OR CORRECTION 17. (Cont'd) 10. Worn drive gear in reduction gear box. Replace gear. 11. Temperature control probe malfunction. Verify operation. Clean or replace as necessary. 12. Coveyor stop proximity switch was activated. 18.
  • Page 73 Table 7-1. Troubleshooting Chart (Cont'd) PROBLEM POSSIBLE CAUSE AND/OR CORRECTION 21. Final rinse water overheating. 1. Too much steam pressure. Adjust steam throttling valve at heat exchanger. 2. Not enough final rinse water. Open final rinse water throttling valve at heat exchanger.
  • Page 74 Table 7-1. Troubleshooting Chart (Cont'd) PROBLEM POSSIBLE CAUSE AND/OR CORRECTION 26. If Garb-el option is present, 1. Grinder shaft bearings are defective or worn. hammermill is noisy. 2. Blades are broken. 3. Remove belts to ensure noise is not from main motor. 27.
  • Page 75 Belt drive will stop because spray may not be at full pressure. 8. Display shows: Press ALARM REPLY touch pad to silence buzzer. MAINTENANCE DUE! Call STERIS.* CALL SERVICE and printout message: MAINTENANCE DUE! * Service charges may be incurred. Consult your warranty for details.
  • Page 76 FAILED TO REACH TEMP 12. Display shows: Alarm failure flag set to an unknown alarm. UNKNOWN 1. Press ALARM REPLY touch pad to silence alarm. FAILURE DETECTED 2. Call STERIS.* and printout message: UNKNOWN FAILURE DETECTED FAILURE NO. = XX 13. Display shows: One of the service doors was opened while pumps were running.
  • Page 77 Table 7-2. Troubleshooting Chart - Alarms and/or Printouts (Cont'd) PROBLEM POSSIBLE CAUSE AND CORRECTION 14. Display shows: pH above high pH setpoint after pH Neutralizer (option) time PH TOO HIGH timeout. CHECK INJ SYSTEM 1. Press ALARM REPLY touch pad to silence buzzer. Verify alkaline and printout message: neutralization injection time and alkaline neutralizer injection sys- PH TOO HIGH...
  • Page 78 ALKALINE / ACID NEUTRALIZER EMPTY 25. Display shows: Wash chamber was too long to drain. WASH CHAMBER Press ALARM REPLY touch pad to silence alarm. Call STERIS.* TOO LONG IN DRAIN and printout message: WASH CHAMBER TOO LONG IN DRAIN * Service charges may be incurred.
  • Page 79 PROBLEM POSSIBLE CAUSE AND CORRECTION Alkaline chamber was too long to drain. 26. Display shows: ALK. CHAMBER Press ALARM REPLY touch pad to silence alarm. Call STERIS.* TOO LONG IN DRAIN and printout message: ALK. CHAMBER TOO LONG IN DRAIN 27.

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