Alliance Laundry Systems CA050L - Page 136

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Hybrid Timer Control Troubleshooting
69.Unit Will Not Heat – Gas – SD and SX Control Suffixes (continued)
Is there
voltage to terminal 2
of the Ignition Control
Module (ICM)?
Is there
voltage at output
of cabinet
limit?
continued from
previous page
Is there
voltage to the input
side of the stove
limit 1?
Correct wiring
between stove
limit 1 and
cabinet limit.
Replace the
stove limit.
Is there voltage
at terminal 1 of
ICM board?
Replace ICM
board.
No
Yes
No
Yes
No
TMB2316S-b
(11)
(12)
(14)
(10)
Replace
cabinet limit.
No
Yes
(13)
Correct wiring
between terminal 2
of ICM and stove
limit 2.
No
Note: Make sure unit
is not in a lock out
condition.
(15)
Is there voltage
across the coils of the
gas valve?
Correct wiring
between gas
valve and ICM
board.
Is there gas flow
through the gas
valve?
Replace gas
valve coils or
complete gas
valve.
Does the igniter
spark?
Replace high
voltage
ignition cable
or igniter.
Is there a flame?
Unit
operational.
Yes
Yes
No
Yes
No
Yes
No
Yes
Yes
No
Is there
voltage to the
output of stove
limit 1?
TMB2316S-b