Dexter Laundry T-350 Parts & Service Manual page 120

Troubleshooting Machine Fault Errors
Displayed on front of washer
The following are descriptions 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.
The codes displayed may or may not stop machine operation.
PLEASE NOTE: CHECK DRIVE FAULT CODE BEFORE POWERING MACHINE DOWN!
Fault# Description
F1
The door failed to close and
lock or The door failed to
remain locked during the
cycle.
F2
The washer tub does not
fill with water within 7
minutes. The wash cycle will
continue. The F 2 will flash
three times, then wait for 30
seconds. The error will clear
at the end of the cycle.
F3
Memory error in controller.
The memory checksum is
wrong.
F4 Washer controller
communication error
F5 Pressure Switch error (only
OPL) - when the high level
sensor indicates full but the
lower one indicates empty.
The wash cycle will continue.
The F 5 will flash three
times, then wait for 30
seconds. The error will clear
at the end of the cycle.
F6
Wrong washer size for drive
type.
120
Part # 8533-104-001 1/18
Customer Action
Check VFD fault code before turning off. Check to hear
if door solonoid 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 wire connections at PCB controller. Adjust
the door lock mechanism. (See service manual)
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.
This error will occur on 18# washers when water level
is set for high (the pressure switch in 18# washer is
only one level).
Check VFD fault code before turning off power. Try to
clear the fault with the Palm. Try a soft Reset of the
controller with the white button. If problem. Replace
PCB controller.
Check VFD fault code before turning off power. Try the
data cable first. Move around cable and remove any
side loading tension from data cable connector ends.
Check connection P25/24/23 to P15. Turn power back
on to the washer. If the problem returns, replace the
PCB washer controller.
Check VFD fault code before turning off power. Check
the pressure switch.(Ohm out contacts). Check pressure
switch connections to ensure they are all making good
contact. Check the Molex type harness connector to
ensure no wire been pushed out of the Molex type
housing that it is shorting or not connecting.
Check VFD fault code before turning off power. If the
controller was installed in a different size machine
before being installed in this machine, a problem
can occur. If someone has been doing repairs on the
washer, check for the correct size drive. It can also
be caused by pressure switch harness. Check to
ensure the correct harness in installed. The control
can be reset by holding program button on controller
during startup (soft reset). Check orange wire at Molex
connector on controller coming from pressure switch or
replace pressure switch harness.