Troubleshooting - Bryant 619PAQ009BBMA Installation Instructions Manual

TROUBLESHOOTING

For ease of service, the systems are equipped with diagnostic code
display LEDs on both the indoor and outdoor units. The indoor
diagnostic display is a combination of flashing LEDs on the
display panel or the front of the unit.
INDOOR UNIT DIAGNOSTIC GUIDES
OPERATION LAMP
☆
1 time
☆
2 times
☆
3 times
☆
4 times
☆
5 times
☆
6 times
☆
7 times
☆ 1 time
☆
2 times
☆
3 times
☆
4 times
☆
5 times
☆
6 times
☆
1 time
☆
2 times
☆
3 times
☆
5 times
O (on - - light) X(off - - light)
For additional diagnostic information, refer to the Service Manual
E2015 Bryant Heating & Cooling Systems D 7310 W. Morris St. D Indianapolis, IN 46231
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Table 7—ID Units Error Code Display
TIMER LAMP DISPLAY
X E0
X E1
X E2
X E3
X E4
X E5
X EC
O F0
O F1
O F2
O F3
O F4
O F5
P0
☆
P1
☆
P2
☆
P4
☆
☆(flash)
Some indoor units display error codes specifying failure modes in
outdoor units. If possible, always check the diagnostic codes
displayed on the indoor unit first.
The diagnostic codes displayed in the indoor and outdoor units are
listed in the tables below.
Indoor unit EEPROM parameter error
Indoor / outdoor units communication error
Zero--- crossing signal detection error
Indoor fan speed is out of control
Indoor room temperature sensor T1 open circuit or short circuit
Evaporator coil temperature sensor T2 open circuit or short circuit
Refrigerant leakage detection
Overload current protection
Outdoor ambient temperature sensor T4 open circuit or short circuit
Condenser coil temperature sensor T3 open circuit or short circuit
Compressor discharge temperature sensor T5 open circuit or short circuit
Outdoor unit EEPROM parameter error
Outdoor fan speed is out of control
IPM malfunction or IGBT over--- strong current protection
Over voltage or over low voltage protection
High temperature protection of the compressor top diagnosis and solution
(only for 9k,12k models)
Inverter compressor drive error
Edition Date: 12/15
10
LED STATUS
Catalog No.
Replaces: NEW
619PB--- 01SI