Input Overcurrent Detection - Daikin RX-W Series Service Manual

SiUS092230EA
7.7

Input Overcurrent Detection

E8
Error Code
Method of Error
An input overcurrent is detected by checking the input current value with the compressor running.
Detection
Error Decision
The current exceeds about 12.0 ~ 12.5 A (depending on the model) for 2.5 seconds with the
Conditions compressor running.
The upper limit of the current decreases when the outdoor temperature exceeds a certain level.
Supposed
 Outdoor temperature is out of operation range.
 Defective compressor
Causes
 Defective power module
 Defective outdoor unit PCB
 Short circuit
Part 6 Service Diagnosis
Troubleshooting for Outdoor Unit
169