Primus D13 - Page 95

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Section 7 Electronic Control Troubleshooting
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WILL NOT HEAT – GAS – ROTARY COIN DROP
(Sheet 2 of 2)
T091D
Is there voltage to the
input side of the
cabinet limit?
Correct wiring
between cabinet
limit and temp
control board.
NO
Is there voltage to the
output side of the
cabinet limit?
YES
NO
Replace the
cabinet limit.
Is there voltage to the
input side of the stove
limit?
NO
YES
Correct wiring
between stove limit
and cabinet limit.
Is there voltage to the
output side of the stove
limit?
NO
YES
Replace the stove
limit.
Is there voltage across
terminals 2 & 3 of
the ICM board?
YES
NO
Correct wiring
between ICM
board and stove
limit or neutral.
Is there voltage across
terminals 1 & 3 of
the ICM board?
Does the igniter spark?
YES
YES
Is there a flame?
UNIT
OPERATIONAL
NO
Replace the ICM
board.
Replace high
voltage ignition
cable or igniter.
NO
YES
Note: Voltage checks are referenced to
transformer neutral.
Is there voltage across
the coils of the gas
valve?
NO
YES
Correct wiring
between gas valve
and ICM board.
Is there gas flow
through the gas valve?
NO
YES
Replace gas valve
coils or complete
gas valve.
NO
YES
T091D