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Section 3 Troubleshooting
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
11. THE MOTOR IS RUNNING, BUT AT AN ABNORMAL SPEED
Preliminary Checks:
a. Check all electrical connections between the “FREQ” plug on the main board and the AC drive. Refer to the
schematic supplied with the machine for wiring information.
Secondary Checks:
a. Recalibrate the main board by following the directions listed below.
NOTE: The main board must be recalibrated whenever either the main board or the AC drive has been
replaced.
b. Using a parameter unit, check the parameter set for your AC drive.
NOTE: Contact the factory with your washer-extractor’s model and serial number to obtain the proper AC
drive illustration.
Calibration of the Machine
The _x__PV should reflect the size selected in earlier
steps.
Turn key to Program Mode.
Press “Auxiliary”, “3”, “1” and “Enter.”
The total hours the machine was running will be
displayed.
Press “Advance” and screen will show total cycles.
Press “Advance” to calibrate the water level sensor.
If the value is not zero, press “Enter” and the value
will change to zero.
Press “Advance” to calibrate the motor.
The board will lock the door and let the motor spin at
approximately 500 RPM (Firmware version 1.12).
The rpm will increase on the display. If the machine
reached approximately 500 RPM, the display will
show a reference value.
After the reference value is shown, the machine will
coast down to stop. When the machine stands still, the
board will unlock the door.
Program Cycle 00
Total working
hours : 0
level : 0.0 “
Enter to zero
Spin
XXX rpm
Reference x.xx