ALLIANCE T30 Series Troubleshooting Manual page 63

34. Will Not Run – Electric – Rotary Coin Drop (continued)
COLUMN 1
Is there voltage across
terminal 5 & 8 of the
motor control relay?
Is there voltage across
terminals 1 & 4 of
fan motor?
YES
Does the fan motor
run?
YES
Is there
voltage across
terminals 3 & 5 of
the fan motor
centrifugal switch with
the fan motor
running?
Is the machine
supplied with single
phase or three phase
power?
Is there voltage to
terminal 6 on the
motor control relay?
YES
Continued on next
page COLUMN 1.
70291301
YES
Replace motor
control relay.
NO
Correct wiring
between fan
NO
motor and contact
8 on the motor
control relay.
NO
Replace the fan
motor.
For units without time
delay boards.
YES
Replace fan
motor.
NO
Three phase
Refer to Note.
Single phase
Correct wiring
NO
between terminal
6 and power
supply.
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Electronic Control Troubleshooting
COLUMN 2
Is there voltage across
terminal 14 & 13 of
motor control relay?
NO
Is there voltage to L1 &
L2 terminals on motor
control relay?
YES
YES
Is there voltage to T1 &
T2 terminals on motor
control relay?
NOTE: For Hi voltage three phase supply
(380volts or higher), the cylinder and fan motor
are supplied L1, L2, L3 through the motor relay
terminals T1, T2, T3. Make the appropriate
adjustments when doing trouble shooting.
Is there voltage to
L2 & L3 terminals
on motor control
relay?
YES
Is there voltage
across L2 to T2 and
L3 to T3?
NO
Does the cylinder
motor run?
YES
CYLINDER AND
FAN MOTORS ARE
OPERATIONAL.
YES
Replace motor
control relay.
Correct wiring
NO
between L1, L2
and supply.
NO
Replace motor
control relay.
Correct wiring
NO
between supply
and L2 & L3
terminals.
YES
Replace motor
control relay.
NO
Replace cylinder
motor.
T073D
T073D
61