Alarm code
05
Code abnormal operation of picking up phase signal for IVX Series
• The RUN LED flickers and “ALARM” is displayed on the remote control switch.
• The unit number, the alarm code and the unit code are alternately displayed on the set temperature section. The unit
number and the alarm code are displayed on the display of the outdoor unit PCB.
– This alarm is displayed when the main power source phase is reversely connected or one phase is not connected.
RAS-(4-12)H(V)RNM(1)E RAS-(3-6)HVRNM(1)E
Phenomenon
Cause Check item
Action
(Turn OFF the main switch)
Activation of reverse phase sensor
in the outdoor unit
Reverse or single phase
Check it according to the electrical
wiring
Replacing wires, repair, tightening
screws or correct wiring
Faulty outdoor unit PCB – Replace PCB if faulty
8 Troubleshooting
223
SMGB0060 rev. 1- 12/2010
8
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