8. Troubleshooting
195
SMGB0079 rev.0 - 01/2013
8
Alarm code
02
Activation of the safety device (high pressure switch) in the outdoor unit
(Except Alarm codes 41 and 42)
• The RUN LED ickers 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 indicated when one of safety devices is activated during compressor running.
Model Cause
RAS-(2-2.5)HVNP
RAS-3HVNC
Faulty PCB
RAS-(4-6)H(V)NCE Faulty PCB (IPM)
Other than above See next diagram
Model PCB connector Pin
RAS-(2-2.5)HVNP
RAS-3HVNC
PCN401 (PCB1) #1-#3
RAS-(4-6)H(V)NCE CN401 (PCB) #1-#2
Other than above PCN8 (PCB1) #1-#3
(*)
RAS-3HVNPE / RAS-(4-6)H(V)NPE / RAS-(8-12)HN(P/C)(E)
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