Alliance Laundry Systems CA050L - No Start;Run

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NetMaster Troubleshooting – KT075 Models Only
45.No Start/Run
Check motor for
proper operation.
Replace if
necessary.
Is there line voltage
across terminals 1 and
4 of the motor?
Correct wiring
between the motor
relay and the motor.
Is there voltage on the
output of the motor
relay?*
Correct wiring
supplying voltage to
the contacts of the
motor relay.
Is there voltage to the
input side of the motor
relay?*
Check relay for
proper operation.
Replace if
necessary.
Is there 24 Volts across
the coil of the relay?
Correct wiring
between control and
motor relay coil.
Is there 24 volts at
terminal H2-4 on the
control? Measured to
transformer neutral.
Press the start
button. If machine
does not start,
replace control.
Is there 24 volts to
terminal H2-1 on the
control?
Correct wiring to the
control. Refer to
“ ‘Door Open’
Indicator.”
(1)
(2)
(3)
(4)
(5)
(6)
Yes
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
TMB1799S
*Note: For steps 2 and 3. For 208/240 1 phase, both lines to the motor
are controlled by contacts. Please check second set of contacts.
For 3 phase units, the three legs supplied to the moter will be
controlled by N.O. contacts. Please check all three legs.
TMB1799S