PHU - Burners Ignite & Shut-Off

York Gas Furnace: PHU

Re: Burners Ignite & Shut Off

Code 7 = Failure to Sense Flame


Qty Possible Causes:
2 Dirty Flame Sensor
Clogged Burners
No or Low Gas Pressure
Pressure Switch Trip
Bad Control Board
Thermostat Cycling


CHECKOUT:

1. Check Diagnostic Indicator


2. Check Ignition


3. Check Controls


4. Check Gas Pressure


5. Check Flame Sensor



Article ID: 414
Last updated: 22 Mar, 2018
Revision: 6
Equipment -> Gas Furnaces -> York -> PHU -> PHU - Burners Ignite & Shut-Off
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