Geothermal Heat Pump: Climatemaster Re: Diagnostic Codes CXM Board - Most older Climatemaster Geothermal heat pumps use the CXM Control Board. The CXM board has a diagnostic function that will cause the unit to go into a "lockout" if an abnormal operating condition occurs. When the CXM...

York Gas Furnaces Re: Lockout Codes Most York gas furnaces have a control board inside the furnace blower compartment that will flash a diagnostic code that shows the operating status of the furnace. Diagnostic Codes: Slow Green Normal Operation - no call for heat Slow...

Fujitsu Mini-Split Re: Error A1 Error Code A1 = High Compressor Discharge Temperature Also indicated on the control board by 10 Green flashes and 1 Orange flash. Qty Possible Causes: 3 Low Refrigerant Charge Bad Sensor CHECKOUT: 1. Check Unit...

Geothermal Heat Pump: Waterfurnace Re: Diagnostic Codes These units can have either an Aurora Base Control (ABC) or an Aurora Expansion Board (AXB). The ABC board has a diagnostic function that will cause the unit to go into a "lockout" if an abnormal operating condition occurs. When the...

Trane Air Handler: GAM5 Re: Status Codes / Error Codes / Fault Codes EVC STATUS LED Flash Description 1 Cool Mode - No Active Call 3 Cool Mode - Active Call for Cooling or Defrost 4 Heat Mode or Off - No Active Call 6 Heat Mode - Active Call for...

York Gas Furnace: TM9X/TM9E Re: Flashing Code 7 Code 7 = Failure to Sense Flame (3 Failed Ignition Attempts) Qty Possible Causes: 1 Dirty Flame Sensor 1 Bad Glow Plug 1 Clogged Burners 1 No or Low Gas Pressure 1 Bad Gas Valve Bad...

Trane Gas Furnaces: TUH2/TDH2 Re: Furnace Lockout Codes / Diagnostic Codes INTEGRATED FURNACE CONTROL - ERROR CODES Flashing Slow Normal - No call for heat Flashing Fast Normal - Call for heat On Replace Control Off Check Power 2 Flashes Lockout...

Nordyne / Partners Choice - GR6GD Re: Lockout Codes / Status Codes Red Light Status Description 1 Limit Circuit Open 2 Pressure switch stuck open 3 Pressure switch stuck closed 4 Ignition failure 5 Reversed Polarity Continuous Flash ...

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: ...

Mitsubishi Re: Remote Control - Mode Selection The number of controlled Modes is adjustable through the remote control. Follow the following steps to set the Mode options. Step 1: Press the SET button with a pointed but not sharp object. Make sure that the remote controller display...