Alliance Laundry Systems A-Control - Display Shows “CANt;LOC” or “SHUT;DOOR” - Flowchart 3

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Troubleshooting – B-Control Coin Models
13.The Display Shows “CANt/LOC” or “SHUT/DOOR”: Flowchart 3
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.
**
CHM451S
Is
the door handle
in the fully closed
position?
Rotate the door handle to
the closed position and
press the START button.
NO
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.
NO
YES
Is there
voltage (220
Volts AC) from both the
input and output
terminals of the door
closed microswitch** to
the ACN1 tab on the output
board? See Figures 8
and 15.
If 220 Volts AC are
present only on the
input terminal and not
on the output terminal,
replace the door
closed
microswitch.**
If 220 Volts AC are not
present on the input
terminal, repair/replace
the wiring to the door
closed microswitch.**
Make sure that the IDC
Harness Kit has been
installed onto the
machine.
YES
NO
YES
YES
Repair/replace the wiring to
the door magnetic switch.
Make sure that the IDC
Harness Kit has been
installed onto the machine.
Replace the door magnetic
switch.
Adjust/replace the door
magnet as needed.
NO
NO
START
YES
The
Display
Shows
CANt/LOC
or
SHUT/DOOR :
Flowchart
3
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.
Is
the door
magnetic switch closing
when the door closes?
See Figure 16.
Is
the door
magnet installed
correctly and is it’s
force strong enough
to trip the
magnetic
switch?