Alarm Codes

Alarm Codes

Room Air Conditioner range: Indoor unit alarm codes

If timer lamp flashes for 1 second on, 1 second off, this indicates pre heating on the coil during heating mode and is not an error. If timer lamp flashes for a number of times and then pauses, please reference table below. Display will flash as shown in diagram.

LED 301 ÁDVKHV

Range: 6XPPLW0RQR0XOWL]RQHLQGRRUXQLW

Indoor coil is too warm in cooling mode or too cold in heating mode. Reversing valve or coil thermistor is faulty

01

Forced operation from the outdoor unit. This is not an error Communication error. Faulty wiring, indoor or outdoor PCB faulty

02

03

Outdoor unit fault. *OLJR[OLU\TILYVMÅHZOLZVUV\[KVVY7*)3,+[VJVUÄYTL_HJ[WYVISLT

04

Float switch activated. Check pump operation and drain

06

Drain pump forced operation. Drain test switch in test position, faulty PCB

07

Louvre not opening. Louvre motor faulty, microswitch faulty, PCB faulty (RAF unit only) Faulty indoor unit thermistor. Air inlet or coil thermistor not connected, open or short circuited faulty PCB Indoor fan motor over current or abnormal rotation speed. Faulty motor or PCB

08

09

10

Eprom data error. Faulty PCB

13

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