Primus D13 - Unit will Not Heat (Steam)

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Section 8 Micro Display Control Troubleshooting - Unit will not heat (Steam)
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UNIT WILL NOT HEAT (STEAM)
(Sheet 2 of 2)
Please see following page for wiring diagram information.
Correct wiring
between terminal 3
of fan motor
centrifugal switch
and terminal 4 of
motor control relay.
Replace fan motor.
Correct wiring
between cabinet
limit and terminal 5
of fan motor
centrifugal switch.
Replace cabinet
limit.
Correct wiring
between stove limit
and cabinet limit.
O
Y
ES
O
E
S
O
Replace the stove
limit.
Is there voltage across
the stove limit?
Correct wiring
between steam
valve and stove
limit.
Is there voltage across
the coil of the steam valve?
NO
YES
NO
YES
(12)
(13)
Does the steam valve
open allowing steam to flow?
Unit operational.
Replace or rebuild
steam valve.
No
TMB1841S
No Heat
continued.