Bryant Troubleshooting Tips for Heat Pumps

Table 7 – Troubleshooting

FAULT DESCRIPTION SENT TO UI	FLASH CODE	RESET TIME
	(AMBER LED)	(minutes)
--- ---	Standby	ON, no flash
--- ---	Variable Capacity or Emergency	1, pause
	Mode
--- ---	Variable Speed Range Cutback	1 (2 sec ON), longer pause (1
		second OFF)
Communications Loss	16	NA
Invalid Model	25	NA
High Pressure Switch Open	31	15
Low Pressure Trip	32	15
Control Fault	45	NA
Brownout	46	Revert to 5 min cycle delay
Lost Inverter Communications	48	Revert to 5 min cycle delay
230VAC Dropout---Reset Event	49	Revert to 5 min cycle delay
Outdoor Air Temp Sensor Fault	53	NA
Suction Temp Sensor Fault	54	15
Coil Temp Sensor Fault	55	NA
OAT---OCT Thermistor Out of range	56	NA
Suction Pressure Sensor Fault	57	15
OAT---OST Thermistor Out of range	58	5
Compressor Scroll Temp Out of Range	59	15
Compressor Sump Heating Active	68	2 HOURS
Inverter / Compressor Internal Fault	69	15
Compressor Motor Temp Out of Range	71	15
Suction Over Temperature	72	15
Inverter Temp Out of Range Event	75	15
Inverter Over Current	77	15
Compressor No---Pump Event	79	15
Suction Over Temp Lockout	82	4 Hours
Low Pressure Lockout for 4 hours	83	4 HOURS
High Pressure Lockout for 4 hours	84	4 HOURS
Compressor Temp Lockout	85	4 HOURS
Compressor Temp Sensor Fault	86	15
Inverter Temp Lockout	88	4 HOURS
Inverter VDC---Out Over Voltage	91	15
Inverter VDC---Out Under Voltage	92	15
230VAC Under Voltage	93	15
230VAC Over Voltage	94	15
High Current Lockout	95	2 HOURS
VDC Under Voltage Lockout	96	2 HOURS
VDC Over Voltage Lockout	97	2 HOURS
High Torque Event	98	10
High Torque Lockout	99	2 HOURS
--- ---	OFF	NA

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