Primus D13 - Page 115

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Section 8 Micro Display Control Troubleshooting - Unit will not heat (Gas)
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UNIT WILL NOT HEAT (GAS)
(Sheet 2 of 2)
Please see following page for wiring diagram information.
Replace the stove
limit.
Is there voltage across
the stove limit?
Correct wiring
between terminal 2
of ICM and stove
limit.
Is there voltage to
terminal 2 of
the Ignition Control
Module (ICM)?
Replace ICM board.
Is there voltage at
terminal 1 of ICM
board?
Correct wiring
between gas valve
and ICM board.
Is there voltage across
the coils of the gas
valve?
Replace gas valve
coils or complete
gas valve.
Is there gas flow
through the gas valve?
Replace high
voltage ignition
cable or igniter.
Does the igniter spark?
Unit operational. Is there a flame?
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
YES
NO
(12)
(13)
(14)
(15)
Note: Make sure unit is
not in a lock out
condition.
TMB252S
No Heat
continued.