Dexter Laundry T-750 C4 Installation And Parts & Service Manual page 144

Troubleshooting Machine Fault Errors
Displayed on front of washer
The following pages are a description of fault codes that will appear on the front of the
washer. There is a chart format that shows what fault code that will be displayed at washer
front. These codes displayed may stop machine operation or may not stop machine Please
check chart before removing power to reset. PLEASE NOTE: CHECK DRIVE FAULT CODE
BEFORE POWERING MACHINE DOWN!
Fault Description
DOOR
The Door Failed To
LOCK
Close And Lock Or
ERROR The Door Failed
To Remain Locked
During The Cycle.
SLOW
Slow Fill Error
FILL
ERROR
MEMORY
Checksum Or Out Of
ERROR
Range Error
144
Part # 8533-120-001 9/21
Customer Action
Condition This error is when the Door Locked
signal is not received within one second
after the start of the cycle. After three
attempts to start the washer.
Delay Immediate
Action When the error occurs, the Door Lock
Gear Motor will be turned off; all other
outputs will be turned off.
Solution Check VFD fault light. Check to hear if
door motor engaged. Turn off the power
to the washer. Check wire connections
to door/lock switches. Check wire
connections from switches to controller.
Check P-4 Door/Lock wire connections
at PCB controller. Adjust the door lock
mechanism. (See online service manual
or video)
Condition This error is when the water level is not
reach within 7 minutes.
Delay Immediate
Action The washer cycle will continue
Solution Turn off the power to the washer. Check
the operation of the water valves. Check
the incoming water pressure. Check for
blocked or restricted water flow. Check
to ensure the drain valve is functioning
properly.
Condition Memory error in the controller. The
memory checksum is wrong or a
parameter value is out of range.
Delay Immediate
Action Stop the washer and turn off all the
outputs.
Solution Check VFD fault light before turning off
power. Try a soft Reset of the controller
with the white button. If problem persist
replace PCB controller.