Alliance Laundry Systems HX, SX, UX OPL Secondary Checks:, Calibration of the Machine, 11.THE MOTOR IS RUNNING, BUT AT AN ABNORMAL SPEED Preliminary Checks:

Section 3 Troubleshooting

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.

Calibration of the Machine

Program Cycle 00

Total working hours : 0

level : 0.0 “ Enter to zero

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.

Spin

XXXrpm

Reference x.xx

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.

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.

9001900