Alliance Laundry Systems A-Control - Display Shows “CANt;OPEn

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Troubleshooting – B-Control Coin Models
14.At the End of a Cycle, The Display Shows “CANt/OPEn”
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.
*
CHM452S
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
START
Does
the RT1
thermistor on the
output board look like
what is shown?
See Figure 12.
Power
down the machine
*
and take an ohm reading
between the two ends of the
RT1 thermistor. See Figure 12.
Is the ohm reading
between
90-150?
Are
the DL and DU
lights on the output
board staying on
constantly? See
Figure 12.
Replace the output board.
YES
NO
YES
NO
Power down the machine
*
and take an ohm reading at
the door lock solenoid.
Are the following ohm
readings present?
Door Unlock Circuit:
65 ohms (+/- 10%) between
the black/blue wire and the
black wire (See Figure 10)
Door Lock Circuit:
264 ohms (+/- 10%) between
the orange and blue wire
(See Figure 11)
Replace the door lock
solenoid.
Check all wiring connections
from the output board to the
door lock solenoid.
NO
YES