Daikin MicroTech III DPS - Troubleshooting: Error Code L5; L5 - Momentary Overcurrent of Inverter Compressor

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ERROR CODE: L5 – Momentary Overcurrent of Inverter Compressor
Remote
Controller
Display
L5
Method of
Malfunction
Detection
Malfunction is detected from current owing in the power transistor.
Malfunction
Decision
Condition
When an excessive current ows in the power transistor.
(Instantaneous overcurrent also causes activation.)
Supposed
Causes
● Defect of compressor coil (disconnected, defective insulation)
● Compressor start-up malfunction (mechanical lock)
● Defect of inverter PC board