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

CODE: LED flashes like a heartbeat
PROBLEM: Control has 24 VAC power
FIX: n/a

CODE: Two LED flashes
PROBLEM: Unit’s pressure switch didn’t open
FIX: Check for an obstruction in the pressure tubing

CODE: Three LED flashes
PROBLEM: Unit’s pressure switch didn’t close or reopened
FIX: Check for: excessive wind; proper vent size; defective inducer motor; defective pressure switch; inadequate combustion air supply; disconnected or obstructed pressure tubing; or restricted vent

CODE: Four LED flashes
PROBLEM: Limit circuit fault: either a limit or flame rollout is open
FIX: Check for: restricted vent; proper vent sizing; loose blower wheel; excessive wind; dirty air filter; or defective blower

CODE: Five LED flashes
PROBLEM: An abnormal flame proving signal, the flame is likely proved while the gas valve is de-energized
FIX: Check for a leaky gas valve or a gas valve that is stuck open

CODE: Six LED flashes
PROBLEM: Failure to ignite or the flame sensor was lost while running
FIX: Check for: an ungrounded flame sensor; defective hot surface ignitor; low inlet gas pressure; oxide buildup; manual valve shut off; control ground continuity; inadequate flame carryover; or rough ignition

CODE: Seven LED flashes
PROBLEM: Limit circuit lockout
FIX: A lockout will occur if the limit or flame rollout is open for longer than 3 minutes. Control will auto-reset after 3 hours

CODE: Eight LED flashes
PROBLEM: Gas heating lockout, control won’t auto-reset
FIX: Check for a miswired gas valve or a defective control valve

CODE: Ten LED flashes
PROBLEM: Polarity is reversed
FIX: Review instructions to correct polarity

CODE: 1 + 2
PROBLEM: The blower is on after power up
FIX: Occurs if the unit is powered up during a call for heat or opens while the blower is on delay

CODE: 6 + 1
PROBLEM: Ignition lockout
FIX: Control will auto-reset after 3 hours

CODE: LED is off
PROBLEM: Secondary voltage fuse is open
FIX: Check whether the door switch isn’t closed or for a short circuit

CODE: LED is on
PROBLEM: Control circuitry lockout
FIX: Will auto-reset after 1 hour

CODE: LED is solid
PROBLEM: Gas valve relay is stuck while open, flame sense circuit failure, or software-check error
FIX: Reset power to clear the lockout and then replace control if status code repeats itself

keeprite furnace codes

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Great guys Daniel and Shane did an excellent job

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KDM did our fireplace gas line and heat venting

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