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#PRESSURE SWITCH OPEN WITH INDUCER ON MANUAL#
#PRESSURE SWITCH OPEN WITH INDUCER ON SOFTWARE#

This gets rid of combustion gases from the heat exchanger and sucks in new gas and air so the burners can start.

Your furnace’s control board begins the draft inducer blower motor.

Here’s how your furnace works after the thermostat initiates the call for heat: Pressure switches are a necessary part of the heating system. Watchguard – burner failed to light, exceeded maximum number of retries or recycles.Schedule service now How a Low Pressure Switch Works No power to control or board fault detectedĬontrol powered – displayed during all modes of operation if no errors are detectedīurner failed to light, or tost flame during heat demand

#PRESSURE SWITCH OPEN WITH INDUCER ON SOFTWARE#

Gas valve relay stuck open- Flame sense circuit failure, software check error, reset power to clear lockout, replace control if status code repeats.Ĭoncord 80G1 Furnace Error Codes RED LED Flash Code Secondary voltage fuse is open- Check for: door switch not closed, 115VAC at LI and neutral, 24VAC RED and COM BLUE, 24V Fuse 3A, short circuit in secondary voltage (24VAC wiring)Ĭontrol circuitry lockout- Auto-reset after one hour Ignition lockout- Control will auto-reset after 3 hours.

If twinned, refer to twinning kit instructions.īlower on after power up- Blower runs for 90 seconds, if unit is powered up during a call for heat (R-W closed) or (R-W) opens durinq blower on delay. Polarity-Line voltage, polarity reversed. Check for: mis-wired gas valve, defective control valve Gas heating lockout-Control will NOT auto reset. Limit circuit lockout- Lockout occurs if the limit or flame rollout is open longer than 3 minutes. Inadequate flame carryover or rough ignition, green/yellow wire MUST be connected to furnace sheet metal.

#PRESSURE SWITCH OPEN WITH INDUCER ON MANUAL#

Manual valve shut off, proper flame sense microamps, gas valve defective or gas valve turned off, defective hot surface iqniter, control qround continuity, Check for: Flame sensor must not be grounded, low inlet gas pressure, oxide buildup on flame sensor, Check for: leaky gas valve, stuck open qas valveįailure to ignite or flame sense lost while running. Check for: restricted vent, proper vent sizing, loose blower wheel, excessive wind, dirty filter, defective blower motor, defective switch or connections, inadequate combustion air supplyĪbnormal flame proving signal-Flame is proved while gas valve is de-energized. Limit circuit fault-a limit or flame rollout is open. Pressure switch did not close, or re-opened- Check for: excessive wind, proper vent size, defective inducer motor, low inducer voltaqe, defective pressure switch, inadequate combustion air supply, disconnected or obstructed pressure tubing, low inlet gas pressure, restricted vent, condensate cloqqed Pressure switch did not open, check for obstructed pressure tubing Concord 96G1E Furnace Error Codes Status LED

There are detailed recommendations on what to check for and what to fix if you experience these flashes or signals. For example, Concord furnace 3 flashes mean problems with pressure, and Concord furnace 6 flashes mean ignition problems. With the description you can also get some advice on what to do in case of the breakdown. In the tables below you can find Concord Furnace error codes and their explanations. If you notice something unusual in your furnace work, or there are some serious issues which make you think there is a problem, address these lists. On the page here you can find the recommendations on troubleshooting with Concord furnace.