If you’re looking for help fixing your Whirlpool furnace, look no further! Our comprehensive Whirlpool furnace repair guide will explain common issues, provide troubleshooting tips, and show you how to read your model’s error codes.

CODE: O P.
PROBLEM: Normal operation.

CODE: E 0.
PROBLEM: Lockout due to excessive retries.

CODE: E 1.
PROBLEM: Low-stage pressure switch stuck closed at start of heating cycle.

CODE: E 2.
PROBLEM: Low-stage pressure switch stuck open.

CODE: E 3.
PROBLEM: Open high-limit switch.

CODE: E 4.
PROBLEM: Flame detected when no flame should be present.

CODE: E 5.
PROBLEM: Open fuse.

CODE: E 6.
PROBLEM: Low flame signal.

CODE: E 7.
PROBLEM: Igniter fault or improper grounding.

CODE: E 8.
PROBLEM: High-stage pressure switch stuck closed at start of heating cycle.

CODE: E 9.
PROBLEM: High-stage pressure switch stuck open.

CODE: E A.
PROBLEM: Reversed 115 VAC polarity.

CODE: d 0.
PROBLEM: Data not yet on network.

CODE: d 4.
PROBLEM: Invalid memory card data.

CODE: b 0.
PROBLEM: Blower motor not running.

CODE: b 1.
PROBLEM: Blower communication error.

CODE: b 2.
PROBLEM: Blower HP mismatch.

CODE: b 3.
PROBLEM: Blower motor operating in power, temperature or speed limit.

CODE: b 4.
PROBLEM: Blower motor current trip or lost rotor.

CODE: b 5.
PROBLEM: Blower motor locked rotor.

CODE: b 6.
PROBLEM: Over/under voltage trip or over temperature trip.

CODE: b 7.
PROBLEM: Incomplete parameters sent to motor.

CODE: b 9.
PROBLEM: Low indoor airflow.

CODE: C 1.
PROBLEM: Low-stage cooling.

CODE: C 2.
PROBLEM: High-stage cooling.

CODE: L O.
PROBLEM: Low-stage heat.

CODE: H I.
PROBLEM: High-stage heat.

CODE: F.
PROBLEM: Continuous fan.

CODE: 1 2.
PROBLEM: CFM/100; Alternates with C1, C2, LO, HI, F.

whirlpool furnace codes

 

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