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58MXA - Flashing Code 34/Fault Code 34
Carrier 90% Gas Furnace: 58MXA Re: Flashing Code 34 / Fault Code 34 Code 34 = Ignition Faulure Diagnostic Light Sequence: 3-Short Flashes, 4-Long Flashes (- - - , — — — —) ► 4 Consecutive Ignition Faults will become a Fault Code 14. Qty Possible Causes: 1 Bad Glow Plug ...
22 Mar, 2023
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GMH95 / GCH9 - Flashing Code 1
Goodman Gas Furnace: GMH95 / GCH9 Re: Flashing Code 1 / Won't Ignite Code 1 = 3 Failed Ignition Attempts ► ** Be aware that the furnace Condensate Pressure Switch breaks power to the gas valve and will cause a Fault Code 1 (Does not cause a Code 3). ** Qty Possible Causes: ...
20 Mar, 2023
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Trane - Defrost Problem
Trane Heat Pump: 4TWB, 2TWR, 4TWR Re: Defrost Problem / Frozen Outdoor Coil The outdoor unit becomes completely covered in thick, white ice. Qty Possible Causes: Bad Coil Sensor 1 Mis-Located Coil Sensor Inoperative Condenser Fan Motor Bad Defrost...
13 Mar, 2023
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TUX1/TDX1 - Flashing Code 3
Gas Furnace: TUX1/TDX1 Re: Flashing Code 3 Code 3 = Pressure switch fault A Code 3 will result from either of the following conditions: Pressure switch contacts "Closed" when the inducer motor is commanded OFF. Pressure switch contacts "Open" when the inducer motor is commanded ON. ►...
13 Mar, 2023
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TM9X/TM9E - Flashing Code 3
York Gas Furnace: TM9X/TM9E Re: Flashing Code 3 Code 3 = Furnace Pressure Switch failed to close on a call for heat. This gas furnace has two pressure switches (PS1 & PS2) - a higher pressure switch to monitor the negative pressure at the inducer motor, and a lower pressure switch to...
09 Mar, 2023
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YEE - Fault Code 5
York Heat Pump: YEE Re: Low Suction Pressure - Code 5 (Heating) CODE 5 = Low Pressure Switch Opened (2x in 6 hours) Qty Possible Causes: 1 Low Refrigerant Charge Bad Expansion O/D Valve Bad Pressure Switch Not Defrosting CHECKOUT: 1....
08 Mar, 2023
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YEE Fault Codes
York Heat Pump: YEE Re: Lockout Codes / Fault Codes The control shall provide fault codes using the Status LED. The table below describes the LED displays during fault codes. Unless otherwise specified, the control shall provide flashes that are a 1/3 second on and 1/3 second off for fault...
08 Mar, 2023
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ICB - Flashing Code 2
Trane Package Unit: YCH Re: Heating - Code 2 Code 2 = Failed to Sense or Sustain Flame (3 tries) Qty Possible Causes: 2 Bad Glow Plug Bad Ignition Control Board (ICB) Bad Gas Valve No Gas Busted Burner CHECKOUT: 1. Prepare for...
07 Mar, 2023
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TG9S/GY9S - Flashing Code 7
York Gas Furnace: TG9S/GY9S Re: No Heat - Flashing Code 7 Code 7 = Three consecutive failed ignition attempts (failed to sense flame). ► This is a "Soft-Lockout" which will automatically reset/retry after 1 hour. Qty Possible Causes: 9 Dirty Flame Sensor 3 Bad Glow...
07 Mar, 2023
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TG9S/GY9S - Flashing Code 3
York 90% Gas Furnace: TG9S Re: Flashing Code 3 Code 3 = Furnace Pressure Switch failed to close on a call for heat. ►The code description on the blower door says, "Vent or Termination Problem" which is a possible cause, but not the most likely. This gas furnace has two pressure switches: ...
27 Feb, 2023
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GMP - Flashing Code 3
Goodman Gas Furnace: GMP Re: Flashing Code 3 If, after the vent blower is energized, the pressure switch does not close, the control will keep the blower on and wait for the switch to close. The diagnostic code for this problem is 3 short flashes followed by a pause. ► The diagnostic code will...
14 Feb, 2023
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GULA - Flashing Code 3
Amana Gas Furnace: GULA Re: Flashing Code 3 If, after the vent blower is energized, the pressure switch does not close, the control will keep the blower on and wait for the switch to close. The diagnostic code for this problem is 3 short flashes followed by a pause. ► The diagnostic code...
13 Feb, 2023
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GULA - Flashing Code 4
Amana Gas Furnace: GULA Re: Flashing Code 4 Code 4 = Main limit switch (auto-reset) has opened its normally closed contacts, or the Blower Auxiliary Limit (manual-reset) has tripped. The control will operate the supply air blower and inducer while the open limit condition exists. Qty...
13 Feb, 2023
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GUIC - Flashing Code 3
Amana Gas Furnace: GUIC/GCIC Re: Flashing Code 3 If, after the vent blower is energized, the pressure switch does not close, the control will keep the blower on and wait for the switch to close. The diagnostic code for this problem is 3 short flashes followed by a pause. ► The diagnostic...
13 Feb, 2023
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TM9Y - Flashing Code 8
York Gas Furnace: TM9T/TM9Y Re: No Heat - Flashing Code 8 Code 8 = Flame was established but later lost - 5 times. ► This is a Soft-Lockout which will automatically reset after 1 hour. Qty Possible Causes: 3 Dirty Flame Sensor 1 Water in Inducer Clogged Burners...
13 Feb, 2023
Comments: 0
ERC - Cooling - Control Board Lockout
York Heat Pump: ERC Re: Cooling - Control Board Lockout The Time & Temperature Defrost Board on this heat pump will "Lockout" on a Hi-Pressure Switch trip. Qty Possible Causes: Bad Condenser Fan Motor Bad Capacitor 1 Stuck Defrost Stat Bad...
08 Feb, 2023
Comments: 0
ERC - Outdoor Unit Not Running
York Heat Pump: ERC Re: Outdoor Unit Not Running The indoor blower is operating, but the outdoor unit fan and compressor are not running. Qty Possible Causes: No Line Voltage Power Bad Capacitor Control Board Lockout No Call on "Y" Bad...
08 Feb, 2023
Comments: 0
ERA - Won't Defrost/Outdoor Coil Frozen
York Heat Pump: ERA Re: Not Defrosting / Frozen The ERA models use a Time & Temperature control board. The board uses a Coil Thermostat and Timer to determine the proper conditions for defrost to occur (timer adjustable for 30, 60 or 90 minutes). Qty Possible Causes: 1 Bad...
08 Feb, 2023
Comments: 0
GSS - Flashing Code 2 / High Pressure (Heating)
Climatemaster Geothermal: GSS Re: Code 2 / High Pressure Fault (Heating) Code 2 = High Pressure Fault ► There may be an optional High Water Temperature Switch (HWTS) or a High Water Pressure Switches (HWPS) wired in series with the refrigerant High Pressure Switch. ► When the high pressure...
08 Feb, 2023
Comments: 0
TE - Flashing Code 10/ECM Blower Fault
ClimateMaster Heat Pump: TEV Re: Code 10/ECM Blower Fault When operating an ECM blower, there are two types of ECM Blower fault conditions that may be detected: An ECM blower fault will be detected and the control will lockout after 15 seconds of blower operation with the blower feedback...
08 Feb, 2023
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Climatemaster - Code 8 / Unit Performance Sentinnel
CLIMATEMASTER GEOTHERMAL Re: Code 8 Code 8 = Unit Performance Sentinel (UPS) Warning The UPS warning is NOT a Lockout condition. The UPS feature is intended to indicate when the heat pump is operating inefficiently. A UPS condition exists when: In heating mode with compressor...
08 Feb, 2023
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TEV - Flashing Code 5/LT2 Fault - Heating
ClimateMaster Heat Pump: Heating Re: Code 5 / FP2 Fault Code 5 = Low Air Coil Temperature (FP2) ► There should be no normal reason for an FP2 Fault in the Heating mode. LT2 should only get cold in the Cooling mode. The FP2 thermistor temperature must be below the selected low temperature...
08 Feb, 2023
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Climatemaster - Code 2 / High Pressure Fault - Cooling
Climatemaster Geothermal: TE Re: Code 2 / High Pressure Fault - Cooling Code 2 = High Pressure Fault When the high pressure switch opens due to high refrigerant pressures the compressor relay is de-energized immediately since the high pressure switch is in series with the compressor contactor...
08 Feb, 2023
Comments: 0
GSV/GSH - Flashing Code 6
ClimateMaster Heat Pump: Heating / Cooling Re: Code 6 Code 6 = Condensate Overflow The condensate overflow sensor must sense overflow level for 30 continuous seconds to be recognized as a CO fault. Condensate overflow will be monitored at all times. Qty Possible Causes: 2...
08 Feb, 2023
Comments: 0
GCV/GSH - Flashing Code 5 (Cooling)
ClimateMaster Heat Pump: GSV/GSH Re: Flashing Code 5 / LT2 Fault (Cooling) Code 5 = Low Air Coil Temperature (FP2) The FP2 thermistor temperature must be below the selected low temperature limit setting (30 deg. unclipped) for 30 continuous seconds during a compressor run cycle to be...
08 Feb, 2023
Comments: 0
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