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25HNB6 - Status Codes / Fault Codes

Article ID: 660
Last updated: 11 Dec, 2020

Carrier Heat Pump: 25HNB6

Re: Status Codes / Fault Codes


LOCKOUT CODES:

Amber LED  Description
Constant On No Demand / Standby
1 - Pause 1st Stage Compressor
2 - Pause 2nd Stage Compressor
16 System Communication Failure
25 Invalid Model Plug
31 Hi Pressure Switch Trip
32 Low Pressure or Discharge Temp Switch Trip
45 O/D Unit Control Board Failure
46 Low Line Voltage (Brown Out)
47 No Power Present at O/D Unit
53 Outdoor Temp Sensor Failure
55 Outdoor Coil Sensor Failure
56 Thermistors (Outdoor & Coil) Out of Range
71 Low Stage Thermal Cutout
72 High Stage Thermal Cutout
73 Contactor Stuck Closed
74 No Power at Compressor
81 Low Stage Thermal Cutout x 3
82 High Stage Thermal Cutout x 3
83 Low Pressure Switch Trip x 3
84 High Pressure Switch Trip x 3

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Article ID: 660
Last updated: 11 Dec, 2020
Revision: 1
Access: Public
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