Service manual

801681 15
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the washer before servicing.
• Never start the washer with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the washer is properly grounded.
• Motor not grounded! Disconnect electric power before servicing motor.
W485
WARNING
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Troubleshooting
Electromechanical Models
4. ERROR CODE LISTING
a. Error Conditions
If any of the following errors occur, the control enters Error Mode. For all fatal errors, the control will
terminate the current cycle, turn off all outputs, and flash two LEDs one second on/one second off to indicate
the error.
DOOR LOCKED and
FINAL SPIN AND
TUMBLE LEDs
flashing
(Motor Failure Error)
If the control receives the motor failure signal from the motor control, the control will
enter Error Mode. The control will turn off all outputs and flash the DOOR LOCKED and
FINAL SPIN AND TUMBLE LEDs one second on/one second off to indicate a motor
failure error. This is a fatal error. The machine must be unpowered to clear this error.
IN USE and DOOR
LOCKED LEDs
flashing
(Fill Error)
If the control receives no full input from the pressure switch indicating the cylinder is full
within 30 minutes of starting the fill, the control will enter Error Mode. The control will
turn off all outputs and flash the IN USE and DOOR LOCKED LEDs one second on/one
second off to indicate a fill error. This is a fatal error. The machine must be unpowered to
clear this error.
IN USE and CLOSE
DOOR LEDs flashing
(Door Open Error)
If the control senses the door open during Run Mode, the control will enter Error Mode.
The control will turn off all outputs and flash the IN USE and CLOSE DOOR LEDs one
second on/one second off to indicate a door open error. This is a fatal error. The machine
must be unpowered to clear this error.
DOOR LOCKED and
CLOSE DOOR
LEDs flashing
(Door Lock/Unlock
Error)
If the door doesn’t lock in 15 seconds in Door Locking Mode or the door doesn’t unlock in
3 minutes in Door Unlocking Mode, the control will enter Door Lock Error Mode. The
control will turn off all outputs and flash the DOOR LOCKED and CLOSE DOOR LEDs
one second on/one second off to indicate a door lock/unlock error.
To clear this error in Door Locked Mode the door must either open or lock. If the door
locks, the cycle will start normally. If the door opens, the control will revert back to Start
Mode.
To clear this error in Door Unlocking Mode the door must unlock or open. If the door
unlocks or opens, the control will enter End of Cycle Mode.
FINAL SPIN AND
TUMBLE and
CLOSE DOOR
LEDs flashing
(SPI Communications
Error)
This error occurs when there is a problem with communications between the front-end
control and the motor control. The control will turn off all outputs and flash the FINAL
SPIN AND TUMBLE and CLOSE DOOR LEDs one second on/one second off to indicate
an SPI communications error. This is a fatal error. The machine must be powered down at
this point.