Service manual

70380601 141
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Quantum Control Troubleshooting
57.Unit Will Not Heat – Electric (continued)
Please see following page for wiring diagram information.
Correct wiring
between heater
contactor and
stove limit.
Is there voltage across
the coil(s) of the heater
contactor(s)?
Correct wiring
between HC1, HC2
and line voltage.
Is there voltage to the
input terminals of HC1
and/or HC2?
Check for proper
operation of
contactors. Replace
if necessary.
Is there voltage to the
output side of
HC1/HC2 contacts?
Check elements for
shorts or opens.
Check wires
between contactors
and elements.
Do all elements
produce heat (glow a
slight orange color)?
No
Yes
No
Yes
No
Yes
No
Yes
(12)
(13)
(11)
Unit is operational.
TMB2277S-b
Continued from
previous page