Uploaded by jian wang

2.HP Alarm Troubleshooting Flow Chart

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H/P Alarm
Con. Ambient T
High
Y
Water Spray Or
Additional Cooling
N
N
Compressor
Breaker Trip
Indoor Unit
Issue
Reset or Replace
Clean Air Intake
Air Intake Choked
Compressor
Contactor
Burnt/Spoiled
Replace Contactor
Bypass Overload
Protection
Condenser Fan
Overload Protection
Faulty
Compressor
mechanism Stuck
Replace Compressor
Reconnect Power
Cable
Power Cable Wrong
Connection
Breaker Rated
Current Low
Adjust Rated
Current
Replace Condenser
Fan
Condenser Fan
Burnt/Spoiled
H/P Sensor
faulty
Adjust or Replace
Replace Capacitor
Condenser Fan
Capacitor Spoiled
H/P Switch
Faulty
Adjust or Replace
Replace Fan Speed
Controller
Fan Speed
Controller Spoiled
Software Issue
Adjust Settings or
Upload Firmware
Adjust Settings or
Upload Firmware
Controller H/P
Port Faulty
Loosen Contact or
Damage
Tighten Wire or
Replace Controller
Over Charging
Release Refrigerant
Low Air Flow
Condenser Fan
Faulty
Outdoor
Unit Issue
Software Issue
Download
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