Alliance Laundry Systems A-Control - Mid-Cycle Display Shows “01”, Door Unlocks, Shows DONE

52 F232205
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Troubleshooting – B-Control Coin Models
15.In Mid-Cycle, The Display Shows “01”, the Door Unlocks and the Display
Shows “DONE”
Before beginning the troubleshooting, be sure that the IDC Harness Kit (Part No. F200189300 [all voltage
models except C-voltage] and F200189301 [C-voltage models]) has been installed onto the machine.
WARNING
When powering the machine down, allow time
(3 minutes) for the door lock capacitor to
discharge.
*
IMPORTANT
The door locked microswitch and the door closed
microswitch are not the same switch. The door
locked microswitch is a 5 Volt switch while the door
closed microswitch is a 220 Volts AC switch.
**
CHM453S
YES
Does
the RT1
thermistor on the
output board look like
what is shown?
See Figure 12.
Replace the output board.
Is
the oxidation on
the silver terminal
of the door locked
microswitch?
**
Refer to
Figure 7.
Clean the silver terminal
on the door locked
microswitch.
YES
py
NO
NO
START
Are
the door, door
handle and door
lock assemblies
adjusted
properly?
Power down the machine
*
and adjust the door, door
handle and door lock
assembly as needed.
Before beginning the troubleshooting, be sure that the IDC Harness Kit (Part No. F200189300 [all voltage models except
C-voltage] and F200189301 [C-voltage models]) has been installed onto the machine.
NO
YES
Repair/replace the wiring
to the door closed
microswitch as needed.
Make sure that the IDC
Harness Kit has been
installed onto the machine.
Is
there voltage (220
Volts AC) from the
door closed microswitch
**
output to the ACN1 tab
on the output board?
See Figures
8 and 15.
Replace the door closed
microswitch.
YES
YES
NO
Is
there voltage (220
Volts AC) from the
door closed microswitch
**
input to the ACN1 tab
on output board when
the door is closed?
See Figures
8 and 15.
Recheck all wiring.
Make sure that the IDC
Harness Kit has been
installed onto the machine.
Change EProm on main
control to ensure latest
software is being used.
NOTE: When changing the
EProm the cycle will need
to be reprogrammed.
NO