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Oryx sca3600 Repair Manual

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sca
3600
Repair Manual
Oryx Additive Inc.
7755 S. Research Drive Tempe Ste. 120
Tempe, AZ 85284
1.833.817.3533
www.OryxAdditive.com
info@OryxAdditive.com
support@OryxAdditive.com
Rev 1.36
October 16, 2023
1

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  • Page 1 3600 Repair Manual Oryx Additive Inc. 7755 S. Research Drive Tempe Ste. 120 Tempe, AZ 85284 1.833.817.3533 www.OryxAdditive.com info@OryxAdditive.com support@OryxAdditive.com Rev 1.36 October 16, 2023...

  • Page 2: Table Of Contents

    Table of Contents PRELIMINARY STEPS ..................- 4 - II. QUICK TROUBLESHOOTING ................- 5 - III. REMOVING TOP COVER AND BACK PANEL ............- 9 - A. H ....................... - 9 - OW TO EMOVE THE ANEL B. H ......................
  • Page 3 XII. TROUBLESHOOTING STEPS ................- 25 - A. P ......................... - 26 - ROUBLESHOOTING B. H ....................- 32 - EATING LEMENT ROUBLESHOOTING C. T ................... - 36 - EMPERATURE ENSOR ROUBLESHOOTING D. W ................... - 39 - ATER EVEL ENSOR ROUBLESHOOTING E.

  • Page 4: Preliminary Steps

    I. Preliminary Steps Follow these steps before attempting to service the SCA Power off and disconnect the SCA from the main power. Allow the SCA to cool completely. Attach a hose to the front valve and drain the tank completely Always disconnect the SCA from the main power and drain the tank completely before servicing.

  • Page 5: Quick Troubleshooting

    II. Quick Troubleshooting The SCA has been designed to allow the end user to resolve most operating problems. When a problem is encountered, please read through this repair manual. If a resolution is not found in this manual, please contact technical support. High Risk of Electrical Shock Always disconnect the unit from power before removing any cover!
  • Page 6 Probable Problem What to Do Causes Pump will not Timer has not The system will only run when the timer is counting down. start, SCA is been set and Check the timer display on the control panel. powered up, started If it is not counting down, press the button.
  • Page 7 Probable Problem What to Do Causes Warning Indicator Liquid level is Check if the indicator lights are flashing on the right side of the too high or too Display Control Panel. Press the Silence Alarm Button. If either Flashing low, audible level indicator is still flashing, add or remove water from the tank.
  • Page 8 Probable Problem What to Do Causes Warning Indicator Internal Error Sensor failure, power supply failure, or pump failure. (See Error Codes Section XIII A pg. 50). Flashing Error Codes: *EP = Pump motor current fault Error Code *EH = Heater current fault Displayed ES = 12VDC out of range, power supply error Audible Alarm...

  • Page 9: Removing Top Cover And Back Panel

    III. Removing Top Cover and Back Panel A. How to Remove the Back Panel 1. Remove the Back Panel a. With the SCA unplugged from power, remove the two screws on the top center and bottom center of the panel. b.

  • Page 10: How To Remove The Top Cover

    B. How to Remove the Top Cover 1. Remove the Top Cover a. With the SCA unplugged from power, remove the J6 display ribbon cable from the PCB. b. Remove the three M5 screws holding the top cover to the SCA. c.

  • Page 11: Pump Assembly Replacement

    IV. Pump Assembly Replacement A. How to Remove the Pump Assembly 1. Remove the Pump Assembly a. Unplug the SCA from power and remove the back panel (See How to Remove the Back Panel Section III A). b. Remove the top cover (See How to Remove the Top Cover Section III B). c.

  • Page 12: How To Install The Pump Assembly

    NOTE M5 Screws (4 places) The tray gasket may cause the pump assembly to stick to the bridge. If this happens, loosen the Bridge gasket by gently rocking the Slot assembly back and forth. Bridge Figure 4 – Remove the Screws and Remove the Pump Assembly Grip the pump assembly by the motor and carefully guide the pump assembly through the hole in the bridge.

  • Page 13: Sensor Assembly Replacement

    V. Sensor Assembly Replacement A. How to Remove the Sensor Assembly Remove the Sensor Assembly a. Remove the back panel (See How to Remove the Back Panel Section III A). b. Remove the top cover (See How to Remove the Top Cover Section III B). c.

  • Page 14: How To Install The Sensor Assembly

    NOTE : The gasket is attached to the Sensor Assembly. Bridge Slot Figure 6 – Remove the Sensor Assembly B. How to install the Sensor Assembly 1. Install the Sensor Assembly a. Insert the Sensor Assembly into the motor tray. b.

  • Page 15: Spray Nozzle Replacement

    VI. Spray Nozzle Replacement A. How to Replace the Nozzle 1. Replace the Nozzle a. The 3600 has a Bayonet style nozzle that latches on to the pump output opening. Twist the nozzle counterclockwise to unlatch and clockwise to latch. The nozzle O-ring must be in place to securely latch the nozzle to the pump manifold.

  • Page 16: Heater Assembly Replacement

    VII. Heater Assembly Replacement A. How to Remove the Heater Assembly 1. Remove the Heater Assembly a. Unplug the SCA from power and remove the back panel (See How to Remove the Back Panel Section III A). b. Remove the top cover (See How to Remove the Top Cover Section III B). SHOCK HAZARD! PLEASE ENSURE POWER PLUG IS REMOVED FROM THE SCA.

  • Page 17: How To Install The Heater Assembly

    ALLOW THE HEATING ELEMENT FOR COMPLETELY COOL BEFORE REMOVING. Carefully remove the Heater Assembly from SCA M5 Screws (4 places) Figure 10 – Top View of the SCA with the Top Cover Removed Figure 11 – Remove the Heater Assembly B.

  • Page 18: Display Control Panel Replacement

    VIII. Display Control Panel Replacement A. How to Remove the Display Control Panel 1. Remove the Display Control Panel a. Unplug the SCA from power and remove the back panel (See How to Remove the Back Panel Section III A). b.

  • Page 19: How To Install The Display Control Panel

    B. How to Install the Display Control Panel 1. Install the Display Control Panel a. Thread the J6 ribbon cable through the hole in the front of the top cover where the display will be mounted. b. Check the orientation of the display and place the bezel over the display, ensuring the bezel screw holes align with the holes in the top cover.

  • Page 20: Pcb Assembly Replacement

    VIIII. PCB Assembly Replacement A. How to Remove the PCB Assembly 1. Remove the PCB Assembly a. Remove back panel (See How to Remove the Back Panel Section III A). b. Check the wires to make sure the labels are on the wires connected to the PCB. c.

  • Page 21: How To Install The Pcb Assembly

    Longest Screw Capacitor Figure 14 – PCB B. How to Install the PCB Assembly 1. Install the PCB Assembly a. Place the PCB onto the back plate and align the screw holes to the standoffs on the back plate. Make sure no wires get behind the board as you place it. b.

  • Page 22: Power Switch Replacement

    X. Power Switch Replacement A. How to Remove the Power Entry Module (PEM) Switch 1. Remove the PEM a. Remove the back panel (See How to Remove the Back Panel Section III A). b. Disconnect the PEM wire connectors from the fuses. c.

  • Page 23: How To Install The Power Entry Module (Pem) Switch

    B. How to Install the Power Entry Module (PEM) Switch 1. Install the PEM a. Thread the wiring through the switch hole in the frame. b. Press the switch back into the case and secure with the two M3 screws. c.

  • Page 24: Fuse Replacement

    XI. Fuse Replacement How to Replace the Fuses 1. Replace the F1/F2 Fuse (25A 250V) a. Remove the back panel (See How to Remove the Back Panel Section III A). b. Carefully pry the fuse out of the clips with a flat head screwdriver. c.

  • Page 25: Troubleshooting Steps

    XII. Troubleshooting Steps NOTE: The symbol “ ” prefixing the measured value denotes “approximate”. Most measurements will not be completely accurate with the values represented in this manual, but the SCA will function normally. Usually, measurements that are extremely different from the indicated measurements will represent a possible failure in the component.

  • Page 26: Pump Troubleshooting

    A. Pump Troubleshooting Tools Needed: Multimeter Test Hooks .7mm Test Probes Phillips Screwdriver Symptom Pump Does Not Appear to Start or Does Not Run at Normal Speed. Theory: 230 VAC motor that circulates the water from the intake at the bottom of The pump is a the pump out the nozzle using an impeller attached to the motor shaft.
  • Page 27 b. Power on the SCA and press the Start Button to enable the pump. i. If the “Pump On" LED illuminates, there was probably a loose connection on J6. ii. If the “Pump On" LED does not illuminate, skip to the next section (Section 2). 2.
  • Page 28 Ω Figure 20 – J4 Pump Connector Ω, continue to the next step (Step b). i. If the multimeter reads ~ , replace the pump. Verify initial measurement. Ω or ii. If the multimeter reads b. Check the resistance of the pump between the wires on pins 2 & 4 on the cable connector (See Figure 21).
  • Page 29 Ensure they do not touch each other. WARNING: High Voltage May Be Present on These Pins! Turn the power on and press the Start Button on the control panel to enable the pump. Measure the AC voltage at the J4 “PUMP” pins on the PCB. Figure 22 –...
  • Page 30 → VAC (~ VAC EU), continue to the next step (Step c). i. If the multimeter reads ~ ii. If the multimeter reads ~ VAC, this is an indication that the Run Capacitor is defective or unplugged, there is a loose connection on J5, the PCB is defective, the Control Panel is defective or there is a loose connection on J6.
  • Page 31 c. If a capacitance option is not available on the multimeter, the resistance can be tested. i. Short the leads of the run cap initially (See Figure 25). ii. After shorting the capacitor leads, measure between both wires at the highest resistance setting of the multimeter. The resistance of the capacitor will increase from low resistance to infinity in a few seconds on a normally operating capacitor.

  • Page 32: Heating Element Troubleshooting

    B. Heating Element Troubleshooting Tools Needed: Multimeter Phillips Screwdriver Symptom Not Heating or Not Heating Normally Theory: The heating element has an internal resistance that creates heat when current flows through. When submerged in water, the heat is transferred to the water. It should take approximately 3 minutes per degree to heat up the bath.
  • Page 33 Release Latch Figure 27 – Re-seat J6 Ribbon Connector 2. Check the Heater Enable Signal a. Set the multimeter to DC Voltage . Check the voltage between resistor R2 (Heater Enable Signal) and R3 (DC Ground) (See Figure 28). Figure 28 – Heater Control Signal...
  • Page 34 VDC and the “Heater On” LED is illuminated, the Display i. If the multimeter reads ~ Control Panel is operating correctly, skip to the next section (Section 3). ii. If the Start Button is pressed, a temperature setting has been selected, the “Heater On” LED is not illuminated and multimeter reads ~ VDC between R2 and R3, check the Temperature Sensor (See Temperature Sensor Troubleshooting Section XII C).
  • Page 35 4. Heater Element Voltage Test a. Remove power from the SCA and unplug the Heater 1 and Heater 2 connectors from the PCB. b. Power on the SCA. Ensure a heat setting is selected and press the Start Button to turn on the heaters.

  • Page 36: Temperature Sensor Troubleshooting

    C. Temperature Sensor Troubleshooting Connector Tools Needed: Multimeter Philips Screwdriver .7mm Test Probes Temperature Sensor Symptom Not heating at all, overheating, underheating. Theory: The temperature sensor changes resistance according to the temperature of the water. As the temperature increases, the resistance of the sensor decreases (See Figure 31).
  • Page 37 Steps: 1. Check the resistance of the Temperature Sensor a. With the SCA at room temperature, remove the NTC connector from the PCB (See Figure 32). kΩ Figure 32 – Temperature Sensor Resistance at 50 ° b. Set the multimeter to resistance Ω. Check the resistance between the two wires of the NTC connector with the two .7mm probes.
  • Page 38 NOTE: A Water Temperature Thermometer can be used to determine if the actual water temperature corresponds to the displayed temperature. Temperature Resistance 85°C ~ 1.53 kΩ 70°C ~ 2.31 kΩ 60°C ~ 3.04 kΩ 50°C ~ 4.14 kΩ Room Temp ~ 19°C → 30°C ~ 11.5 kΩ...

  • Page 39: Water Level Sensor Troubleshooting

    WLS-H D. Water Level Sensor Troubleshooting WLS-L Connectors Tools Needed: Float Multimeter Philips Screwdriver .7mm Test Probes Symptom SCA beeping, high or low water LED flashing on control panel. Theory: The float sensor uses two internal switches within a hollow rod straddled by a watertight stainless-steel float that slides along the rod as the water level changes.

  • Page 40: N Opower To Sca Troubleshooting

    E. No Power to SCA Troubleshooting Tools Needed: Multimeter Phillips Screwdriver Symptom SCA Appears to Have No Power Theory: The SCA requires 230 VAC +/- 10%. For US power, it is possible to have 208 VAC, 220 VAC or 240 VAC. The most common industrial voltage in the US is 208 VAC, but these other voltages will work fine with the SCA 3600.
  • Page 41 i. If the PEM LED illuminates, skip to the next step (Step b). ii. If the PEM LED does not illuminate, skip to the next section (Section 2). b. Remove the back panel (See How to Remove the Back Panel Section III A) and check the “DC OK”...
  • Page 42 → VAC (~ VAC EU) across both wires of the J1 i. If the multimeter reads ~ connector, skip to the next step (Step d). ii. If the multimeter reads ~ VAC across the J1 connector, skip to the section (Section 2). d.
  • Page 43 2. Measure the Power Cord Output Power a. Unplug the power cord from the SCA. Set the multimeter to AC Voltage . Ensure the power cord is still connected at the outlet. Measure the output voltage of the power cord at the female side (See Figure 38).
  • Page 44 3. Check the Continuity of Fuse F1 and F2 a. If there is no voltage at connector J1 with power applied and the power switch toggled on, but there is power at the female end of the power cord, check the continuity of the F1 and F2 fuses Unplug power from the SCA.
  • Page 45 and measure across the TCO (See Figure 42). Reset Switch Figure 42 – TCO (Thermal Cutoff Switch) i. If the multimeter displays continuous ( ), the TCO is operating correctly. Skip to the next section (Section 5). ii. If the multimeter displays open ( ), the TCO contacts are open (infinite resistance), wait until the bath temperature cools below 80⁰...
  • Page 46 PEM Switch is “On” PEM Switch Figure 43 – PEM (Power Entry Module) is “Off” d. If the respective contacts do not show the proper resistance, replace the PEM.

  • Page 47: N Opower To Display Troubleshooting Or Es Error

    F. No Power to Display Troubleshooting or ES Error Tools Needed: Multimeter Phillips Screwdriver Symptom SCA display appears to have no power upon plugging in to power and toggling on the power switch, or the display powers up but an ES error is displayed Theory: The display requires a voltage of between 9V DC –...
  • Page 48 c. Select the DC Voltage setting on the multimeter and check the voltage between TP10 (Ground) and TP12 (12 VDC). There should be ~9 VDC → ~13 VDC between TP 10 and TP 12 (See Figure 45). Figure 45 – DC Power Supply Voltage i.

  • Page 49: Documentation

    XIII. Documentation A. Error Codes Pump-motor (See Pump Troubleshooting Section XII A). malfunction/pump motor current fault. Heater current fault (See Heating Element Troubleshooting Section XII B). 12VDC out of range, (See No Power to Display Troubleshooting Section XII F). power supply error for display Over temperature Temperature of water exceeds set temperature by more than 5⁰C.

  • Page 50: Schematics

    B. Schematics Physical Layout of PCB...
  • Page 51 Electronic Schematics...

  • Page 52: Pcb Layout

    C. PCB Layout PCB (Printed Circuit Board)

  • Page 53: J6 Display Controller Pinout

    D. J6 Display Controller Pinout • → ~ 0V DC • → ~ High 12V DC Description High Water Level High Sensing No Fault Fault Water Level Low Sensing No Fault Fault Temperature Sensing No Fault Fault Display VCC ~12V DC Power Off Power On Heater Malfunction Sensing...

  • Page 54: Commonly Used Parts

    E. Commonly Used Parts Commonly Used Parts Part Image Part Description Number Pump subassembly repair kit, SCA 3600 100006 Power Entry Module (PEM) 100129 Heater Assembly, SCA 3600,220VAC Heaters 100007 Sensor Assembly for SCA 3600 100078 Thermal Cutoff Switch (TCO) 100070 Nozzle 100130...
  • Page 55 Start Capacitor 100104 Printed Circuit Board (PCB) 100065 Display Controller 100128 F1/F2 Fuse, Fast-acting, 25A, 6.3mm x 32mm, 250V 100123 FB1/FB2 Fuse, slo-blow, 1A, 250V 100106 Power cord, 250VAC, 16A NA SCA 3600 100108 Power cord, 250VAC, 16A, EU for SCA 3600 100107...

  • Page 56: Supplementary Information

    XIV. Supplementary Information A. Specifications Physical specifications Height 108.6 cm (42.8 in) Width 57.8 cm (22.8 in) Depth 92.7 cm (36.5 in) Tank capacity 102 L (27 gal) Weight (net / gross shipping) 73 kg (160.6 lbs) / 93 kg (204.6 lbs) Large parts basket capacity 40.6 x 40.6 x 35.6 cm (16x16x14 in) Small parts basket capacity...

  • Page 57: Customer Support

    B. Customer Support Contact Support Technical support for this product is provided by Oryx Additive, Inc. Before contacting technical support, please try the Troubleshooting section of this Repair Manual. If additional support is needed, contact Technical Support: • Email Technical Support: support@oryxadditive.com •...

  • Page 58: Warranty Information

    SCA 3600 Support Cleaning Apparatus Limited Warranty Product Limited Warranty Period SCA 3600 Support Cleaning Apparatus 1 year All new Support Cleaning Apparatus (SCA) systems are warranted exclusively by Oryx Additive, Inc.’s (“Manufacturer”) limited warranty as follows: Each Support Cleaning Apparatus system (“System”)

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