Brand: Generic
Category: Home Appliances
Document Type: Parts/Service
Language: EN
Available Languages: EN , ES
Parts/Service for CAE2745, CAE2765, CAE2795, QCAE2735, MAT20CS, MAT20MN
Uploaded: Nov. 21, 2025, 7:03 p.m.
Warranty Information
This service data sheet is intended for use by persons with electrical, electronic, and mechanical experience.
This manual provides service technicians with information for diagnosing and repairing commercial washers. It details diagnostic guides, activation of service diagnostic test modes, various test modes (Fault Code Display, Quick Overview, Manual Overview, Calibration, Drain & Spin, UI Test), and specific troubleshooting tests for components like the main control, valves, drive system, motor, temperature thermistor, water level sensor, drain pump, and lid lock.
Safety precautions for electrical shock and electrostatic discharge (ESD) are emphasized throughout. The manual includes component locations, specifications, and wiring diagrams to aid in repair procedures.
Troubleshooting and error codes
| PROBLEM | POSSIBLE CAUSE | CHECKS & TESTS |
|---|---|---|
| WON'T POWER UP • No operation • No Status LEDs |
No power to washer. Connection problem between AC plug and main control. Main control not properly installed in console. |
Check power at outlet, check circuit breakers, fuses, or junction box connections. Check the AC power cord for continuity. See TEST #4: Console and Indicators, page 16. See TEST #1: Main Control, page 12. |
| WON'T START CYCLE No response when Start Button is pressed. |
Lid lock mechanism not functioning. | 1. Lid not closed due to interference. 2. Lock not closed due to interference. 3. See TEST #8: Lid Lock, page 18. |
| UI WON'T ACCEPT SELECTIONS |
User Interface problem. Main control problem. |
See TEST #4: Console and Indicators, page 16. See TEST #1: Main Control, page 12. |
| WON'T FILL | User Interface problem. Main control problem. No water supplied to washer. |
See TEST #4: Console and Indicators, page 16. See TEST #1: Main Control, page 12. 1. Check water connections to washer. 2. Verify hot and cold water supply is on. |
| OVERFILLS | Plugged filter/screen. Drain hose installation. Valve problem. Main control problem. |
Check for plugged filter or screen in the water valve or hoses. Check for proper drain hose installation. See TEST #2: Valves, page 13. See TEST #1: Main Control, page 12. |
| WON'T AGITATE | Pressure hose. Valve problem. Washer requires calibration. Onboard pressure transducer. Main control problem. Water covering impeller? Is lid lock showing open during the cycle? Drive belt. Harness connections. |
See TEST #6: Water Level, page 17. See TEST #2: Valves, page 13. Perform washer calibration on page 4. See TEST #6: Water Level, page 17. See TEST #1: Main Control, page 12. See TEST #6: Water Level, page 17. See TEST #8: Lid Lock, page 18. Verify that drive belt is not damaged. Check harness connections between main control and drive system. |
| WON'T SPIN | Shifter problem. Motor or motor relay problem. Tachometer problem. Main control problem. Is lid lock showing open during the cycle? Drive belt. Harness connections. Shifter problem. Motor or motor relay problem. Tachometer problem. Main control problem. |
See TEST #3a: Drive System - Shifter, page 13. See TEST #3b: Drive System - Motor, page 14. No tub movement or tub speed out of normal range (obstruction/belt/motor). See TEST #1: Main Control, page 12. See TEST #8: Lid Lock, page 18. Verify that drive belt is not damaged. Check harness connections between main control and drive system. See TEST #3a: Drive System - Shifter, page 13. See TEST #3b: Drive System - Motor, page 14. No tub movement or tub speed out of normal range (obstruction/belt/motor). See TEST #1: Main Control, page 12. |