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Nordyne FG7TC Fault Codes

Article ID: 220
Last updated: 13 Feb, 2017

Nordyne Gas Furnace: FG7TC

Re: Furnace Lockout Codes

Furnace Control Board Fault Conditions
GREEN RED Description
Off Off No Control Power
Flash Flash L1/Neutral Polarity Reversed
Alternating 1 Hour Lockout
On On Normal Operation
On Flash Pressure Switch Stuck Closed
Flash On Pressure Switch Open when is should be Closed
Flash Off Limit Switch Open
On Off Motor Fault
YELLOW Description
Flashing Low Flame Signal
On Flame Present

"Fixed Speed" Motor Control Board Fault Conditions
GREEN RED Description
Off Off No Control Power
On On Normal Operation
On Flash Motor Fault
Flash On Twin Fault (no motor fault)
Flash Flash Communication Fault

"Variable Speed" Motor Control Board Fault Conditions
GREEN RED Description
Off Off No Control Power
On On Normal Operation
On Flash Motor Fault
Flash Flash Communication Fault

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Article ID: 220
Last updated: 13 Feb, 2017
Revision: 6
Views: 3106
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