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a.
No. There is an open in the main valve control circuit.
Determine cause and rectify.
b.
Yes. Continue.
7.
Is the gas valve/burner status relay’s normally open contact
closed?
a.
No. Replace relay.
b.
Yes. Continue.
8.
Is there continuity at the controller between the burner status terminals?
a.
No. There is an open in the wiring between these terminals. Determine
cause and rectify.
b.
Yes. Replace controller.
ALARM CODE:
Burner Hand
PROBLEM:
The controller has not activated the burner enable output, but the
burner status input is receiving a signal that the burner is on.
SOLUTION
:
Inspect burner control circuit.
This alarm has the potential to
be a very serious problem. Close the manual gas valves immediately if the fan is not
running.
1.
Is the controller’s burner enable output LED lit?
a.
Yes. Close manual gas valves. There is a problem with the
controller program. Contact factory.
b.
No. Continue.
2.
Are the main automatic gas shutoff valves energized?
a.
No. The main automatic gas shutoff valves are leaking.
Turn off unit and close manual gas valves. Determine cause
of valve failure and rectify.
b.
Yes. Continue.
3.
Is the flame relay energized?
a.
No. There is a short in the wiring of the gas valves. Close
manual gas valves. Determine cause of short and rectify.
b.
Yes. Continue.
4.
Is the burner enable relay energized?
a.
Yes. There is a short in the wiring of the flame relay. Close
manual gas valves. Determine cause of short and rectify.
b.
No. Continue.
5.
Is the burner enable relay’s normally open contact closed?
a.
Yes. Close manual gas valves. Replace the relay.
b.
No. Continue.
6.
Unplug the input terminals from the input jack. Is there continuity
at the controller between the burner status terminals?
a.
No. Close manual gas valves. There is a short in the wiring
between the burner status relay and the burner status
terminals. Determine cause and rectify.
b.
Yes. Close manual gas valves. Replace the controller.
