Alliance Laundry Systems POCKET HARDMOUNT UW50P4 - Manual (Page 14)

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Operation
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9. If only one light on display/fuse board not lit:
a. Check the fuse on the fuse board associated
with that light.
b. If fuse is OK, check jumpers between
computer and display board, J4 and J5,
making sure J4 on display board is connected
to J4 plug on computer board, etc.
c. If the fuse is blown, check the related valve or
relay for shorted condition before replacing
the fuse with one of the same size.
d. Use similar procedure for any individual
function which does not work.
10. “DOOR” Alarm
a. Computer has not been told that door is
locked.
b. Check switch activator tab on extension arm.
c. Check door lock switch.
d. Check input plug, J3, on computer board.
11. “FILL” Alarm
a. Computer has not been told that water level
was reached in the allotted time.
b. Check for leaks in air system between level
switches and water level air chamber.
c. Check for obstruction in water level air
chamber or tubing.
d. Check for obstructions or low pressure in
water supply system.
e. Check for failed drain solenoid.
12. “EMTY” Empty Alarm
a. Computer has not been told that level reached
empty in the allotted time.
b. Check for obstructions in air system to level
switches.
c. Check for slow drain.
NOTE: Sufficient time for filling and draining must
be allowed when a program is written into the
computer. If a “FILL” or “EMTY” alarm occurs
only in one program, edit that program and re-
enter it into the computer making sure enough time
has been allowed for fill and/or drain.
13. No Spin, Rest of Program OK:
a. When a spin is called for (medium or high
speed) the computer looks for an
out-of-balance condition and an empty
condition.
NOTE: Computer will look for out-of-balance
three (3) times. If balance condition is not
corrected, computer will advance to next step
without completing spin cycle.
b. Check input plug, J3, on computer.
c. Check balance switch inside “A” Frame.
d. Check water level and drain line.
14. “NO FILL” Alarm
a. The computer has not received a low level fill
signal prior to an auxiliary “HEAT” step.
b. Check as for “FILL” Alarm as in step 11.
15. Spins too soon after “SOAK” step:
a. Check for leaks in pressure system to water
level switches.
16. Temperature indication inconsistent:
a. Temperature probe is short circuited.
b. If reading is 53 ° F and does not change,
temperature probe circuit is open.
c. Check input plug, J3, on computer.
d. Replace temperature probe in sump.
17. If the above procedures and troubleshooting have
failed to determine the problem, call the factory.