Alliance Laundry Systems YT025E, Руководство по устранению неисправностей

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Hybrid Timer Control Troubleshooting
41. Unit Will Not Heat – Electric OPL
Note: Tests are conducted with unit running
and calling for heat.
All voltage checks are referenced to
transformer neutral.
Correct wiring
between terminal 13
on motor control
relay and hybrid
control.
Is there voltage at
terminal 13 of motor
control relay?
Replace motor
control relay.
Is there voltage across
terminals 13 & 14 of
motor control relay?
Correct wiring
between terminal 3
of fan motor
centrifugal switch
and terminal 14 of
motor control relay.
Is there voltage at
terminal 3 of fan
motor centrifugal
switch?
Replace fan motor.
Is there voltage across
terminals 3 & 5 of
fan motor centrifugal switch?
Correct wiring
between cabinet
limit and terminal 5
of fan motor
centrifugal switch.
Is there voltage to the
input side of the
cabinet limit?
Replace cabinet
limit.
Is there voltage across
cabinet limit?
Correct wiring
between stove limit
and cabinet limit.
Is there voltage to the
input side of the stove
limit?
NO
YES
NO
YES
NO
NO
YES
YES
NO
YES
YES
NO
YES
NO
YES
(2)
(3)
(4)
(5)
(6)
(7)
(8)
Replace the stove
limit.
Is there voltage across
the stove limit?
Correct wiring
between heater
contactor and stove
limit.
Is there voltage across
the coil(s) of the heater
contactor(s)?
NO
YES
NO
(9)
(10)
Is the
thermistor
operational?
Replace hybrid
control.
Replace
thermistor
NO NO
YES
YES
(1)
Is there
voltage at H4-1
of hybrid control?
TMB2006S