Diagnostic Guides; Diagnostic Guides Indoor Units - Bryant 538PAQ012RBMA Service Manual

DIAGNOSTIC GUIDES

OPERATION LAMP TIMER LAMP
H
1 time
H
2 times
H
4 times
H
5 times
H
6 times
H
7 times
H
1 time
H
2 times
H
3 times
H
4 times
H
5 times
H
6 times
H
1 time
H
2 times
H
3 times
H
5 times
Table 17—Diagnostic Guides Indoor Units
DISPLAY LED STATUS
X E0 Indoor unit EEPROM parameter error
X E1 Indoor / outdoor units communication error
X E3 Indoor fan speed has been out of control
X E4 Indoor room temperature sensor T1 open circuit or short circuit
X E5 Evaporator coil temperature sensor T2 open circuit or short circuit
X EC Refrigerant leakage detection
O F0 Overload current protection
O F1 Outdoor ambient temperature sensor T4 open circuit or short circuit
O F2 Condenser coil temperature sensor T3 open circuit or short circuit
O F3 Compressor discharge temperature sensor T5 open circuit or short circuit
O F4 Outdoor unit EEPROM parameter error
O F5 Outdoor fan speed has been out of control
P0 IPM malfunction or IGBT over-strong current protection
P1 Over voltage or over low voltage protection
P2 High temperature protection of compressor top diagnosis and solution
P4 Inverter compressor drive error
O(light)
H(
(
X off) flash)
23