Lennox CBK48MVT Error Codes
Equipment type not specified · Split & Multi-Split
- - Push and hold button until required symbol displays: H, A or P.
- . Idle mode (decimal point / no unit operation)
- 0000 After blinking c confirmation press/hold one second then release, display0000 confirms…
- A Cubic feet per minute (cfm) setting for indoor blower (1 second ON, 0.5 second OFF) / cfm…
- C Cooling stage (1 second ON, 0.5 second OFF) / 1 or 2 displayed / Pause / cfm setting…
- E AHC idle? YES: push/hold button until solid E appears, release to enter recall. AHC idle?…
- E000 In recall mode control displays up to ten stored error codes. Sequential E 0 0 0 means…
- E105 The air-handler has lost communication with the rest of the system.
- E114 There is a frequency/distortion problem with the power to the air-handler.
- E115 The 24VAC to the air-handler control is lower than the required range of 18 to 30VAC.
- E120 There is a delay in the air-handler responding to the system.
- E124 The iComfort thermostat has lost communication with the air-handler for more than 3…
- E125 There is a hardware problem with the air-handler control.
- E130 An air-handler configuration jumper is missing.
- E131 The air-handler control parameters are corrupted.
- E132 The air-handler control software is corrupted.
- E150 A leak of refrigerant has been detected by the refrigerant detection system.
- E151 The refrigerant detection system sensor is reporting a fault.
- E154 Communications with the refrigerant detection sensor has been lost or interrupted.
- E160 The refrigerant detection system sensor is of an incorrect type.
- E163 The refrigerant detection system controller has failed.
- E345 The O relay on the air-handler has failed. Either the pilot relay contacts did not close…
- E346 The R to O jumper was not removed on the air-handler control.
- E347 The Y1 relay on the air-handler has failed. Either the pilot relay contacts did not close…
- E348 The Y2 relay on the air-handler has failed. Either the pilot relay contacts did not close…
- E350 The air-handler's electric heat is not configured.
- E351 There is a problem with the air-handler's first stage electric heat. Either the pilot…
- E352 There is a problem with the air-handler's second stage electric heat. Either the pilot…
- E353 There is a problem with the air-handler's third stage electric heat. Either the pilot…
- E354 There is a problem with the air-handler's fourth stage electric heat. Either the pilot…
- E355 There is a problem with the air-handler's fifth stage electric heat. Either the pilot…
- E409 The secondary voltage for the air-handler has fallen below 18VAC. If this continues for…
- H Heat Stage (1 second ON, 0.5 second OFF) / 1 or 2 displayed / Pause / cfm setting…
- P 1. When the correct Unit Sized Code is displayed, RELEASE push button. Selected code will…
- U Discharge air sensor temperature (indoor blower must be operating) U105
- c Clear-history branch: continue holding while solid bars displayed, release when solid c…
- d Dehumidification mode (1 second ON) / 1 second OFF) / cfm setting displayed / Pause /…
- d F Defrost mode. (Y, W and O call)
- h Variable Capacity Heat (1 second ON, 0.5 second OFF) / % of input rate displayed / Pause/…
- ≡ If three horizontal bars are displayed, AHC does not recognize air handler model size and…
Reference only. Confirm against the manual for your exact model. Data release 105f66ecb9e96e5dc473025d.