L1" Faulty Outdoor Pc Board - Daikin ESIE13-02 Service Manual

Error Codes: Outdoor Units

"L1" Faulty Outdoor PC Board

4.11
1
Remote controller
display
Method of
malfunction
detection
Malfunction
decision conditions
3
4
Supposed causes
5
Part 4 – Troubleshooting
L1
Detect malfunctions by current value during waveform output before compressor startup.

Detect malfunctions by current sensor value during synchronized operation at the time of startup.

Detect malfunctions using an MP-PAM series capacitor overvoltage sensor.

When over-current is detected at the time of waveform output before operating the compressor

When the current sensor malfunctions during synchronized operation

When overvoltage occurs in MP-PAM

In case of IGBT malfunction

In case of faulty jumper setting

Faulty outdoor PC board (A1P)

IPM failure

Current sensor failure

MP-PAM failure

Failure of IGBT or drive circuit

124
ESIE13-02