128
70291301
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
NetMaster Troubleshooting
62. Motor Will Not Start/Run
Is there voltage across
H2-1 and H2-6 on
the electronic control ?
Motor Start/Run
YES
Replace electronic
Control.
Is there voltage
across H2-4 and H2-6
on the electronic control?
Is there voltage at
terminal 5 of the
motor control relay?
Is there voltage at
terminal 8 of motor
control relay?
Is there voltage across
terminals 1 & 4 of
the fan motor?
Does the fan motor
run?
Is there voltage at
terminal 6 of motor
control relay?
Is there voltage at
terminal 9 of motor
control relay?
Replace
control.
Correct wiring
between terminal 5
and power supply.
Replace motor
control relay.
Correct wiring
between fan motor
and motor control
relay.
Replace fan motor.
Correct wiring
between terminal 6
of motor control
relay and supply.
Replace motor
control relay.
NO
YES
YES
YES
YES
YES
NO
NO
NO
NO
YES
YES
NO
NO
Note: test conducted with vend
price satisfied and start button
pressed.
Note: tests conducted with vend
price satisfied and start button
pressed.
Correct wiring
between L1, L2 and
power supply.
Replace motor
control relay.
Is the unit equipped
with single phase or
three phase power?
Is there supply voltage
to L1 and L2 of the
motor control relay?
Is there votlage across
L1 & T1 and L2 & T2?
Single phase
NO
YES
YES
NO
3 phase. Also
see note on
next page
Is unit equipped with
single phase or three
phase power supply?
Is there supply voltage
between L2 & L3 of
motor control relay?
Three phase. Also
see note on next
page.
NO
YES
Is there voltage across
terminals L2 & T2 and
L3 & T3?
Correct wiring
between L2, L3 and
supply.
Replace motor
control relay.
YES
NO
Single phase
Single and stacked
units. Gas, electric and
steam heat. Single and
three phase supply.
Motor (cylinder/fan)will not
start/run
NO
Refer to "Door
open" flow chart.
(1)
Is there voltage
across the coil of
the motor control
relay?
Correct wiring to coil
of motor relay .
(2)
YES
NO
(3)
(4)
(5)
(6)
(7)
(8)
(10)
(11)
(12)
(13)