OM 1263 • MICROTECH UNIT CONTROLLER 88 www.DaikinApplied.com
ERROR CODE: L8 – Momentary Overcurrent of Inverter Compressor
Remote
Controller
Display
L8
Method of
Malfunction
Detection
Malfunction is detected from current owing in the power transistor.
Malfunction
Decision
Condition
When overload in the compressor is detected. (Inverter secondary current 16.1A)
For 460V units
(1) 19.0A and over continues for 5 seconds.
(2) 16.1A and over continues for 260 seconds.
For 230V units
(1) A current of 33.5A or more continues for a period of consecutive 5 sec.
(2) A current of 27.6A or more continues for a period of consecutive 260 sec.
Supposed
Causes
● Compressor overload
● Compressor coil disconnected
● Defect of inverter PC board
● Faulty compressor
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