Alliance Laundry Systems Cabinet Hardmount SC80SN Service Manual download pdf (Page 49)

F232205 47

Troubleshooting – B-Control Coin Models

12.The Display Shows “CANt/LOC” or “SHUT/DOOR”: Flowchart 2

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.

NOTE: If, after troubleshooting with this flowchart, the display still reads “CANt/LOC” or “SHUT/DOOR”, go

to “The Display Shows “CANt/LOC” or “SHUT/DOOR”: Flowchart 3”

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.

CHM450S

the door handle

in the fully closed

position?

Rotate the door handle to

the closed position and

press the START button.

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.

YES

there voltage (220

Volts AC) from the

input terminal on the

3-second time delay to

the ACN1 tab on the

output board? See

Figures

8 and 13.

Repair/replace the wiring

from the ACH2 to the

3-second time delay.

Make sure that the IDC

Harness Kit has been

installed onto the

machine.

YES

there voltage (220

Volts AC) from the

load terminal on the

3-second time delay to

the ACN1 tab on the

output board? See

Figures

8 and 13.

YES

Add jumper wire on 3-second

delay, if equipped. Install a

double-spade on load terminal

and connect both wires to

terminal.

there voltage

(220 Volts AC)

between tab 7 and

tab 8 on the KA4

relay? See

Figure 14.

YES

Repair/replace the wiring

between the KA4 relay and

the 3-second time delay.

Make sure that the IDC

Harness Kit has been

installed onto the machine.

there voltage (220

Volts AC) from tab 6

on the KA4 relay to the

ACN1 tab on the output

board? See Figures 8

and 14.

Repair/replace the wiring

from the J22-1-2 harness to

the KA4 relay. Make sure

that the IDC Harness Kit

has been installed onto the

machine.

YES

there voltage (220

Volts AC) from tab 4

on the KA4 relay to the

ACN1 tab on the output

board? See Figures 8

and 14.

Replace the KA4 relay.

YES

there voltage (220

Volts AC) between the

ACH1 and the ACN1

tabs on the output

board?

See Figure 8.

Replace the door closed

switch.

YES

START

Recheck all wiring. Make

sure that the IDC Harness

Kit has been installed onto

the machine.

YES

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Alliance Laundry Systems Cabinet Hardmount SC80SN Service Manual Page 49

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