Read Panasonic CS-HE7QKD / CS-HE9QKD / CS-HE12QKD / CS-HE18QKD / CU-HE7QKD / CU-HE9QKD / CU-HE12QKD / CU-HE18QKD Service Manual online
109
15.4.29 F99 (DC Peak Detection)
Malfunction Decision Conditions
During startup and operation of cooling and heating, when inverter DC peak data is received by the outdoor internal
DC Peak sensing circuitry.
Malfunction Caused
During startup and operation of cooling and heating, when inverter DC peak data is received by the outdoor internal
DC Peak sensing circuitry.
Malfunction Caused
DC current peak due to compressor failure.
DC current peak due to defective power transistor(s).
DC current peak due to defective outdoor unit PCB.
DC current peak due to short circuit.
Troubleshooting
Troubleshooting
Click on the first or last page to see other CS-HE7QKD / CS-HE9QKD / CS-HE12QKD / CS-HE18QKD / CU-HE7QKD / CU-HE9QKD / CU-HE12QKD / CU-HE18QKD service manuals if exist.