8 Troubleshooting
224
SMGB0087 rev.0 - 12/2013
Alarm code
03
Abnormal transmission between the indoor units and the outdoor unit for
RAS-(2-2.5)HVNP1 / RAS-3HVNC1
- This alarm is displayed when an abnormal operation is maintained for three minutes after the normal transmission
between the indoor units and the outdoor unit. Also, an abnormal operation is maintained for 30 seconds after the
micro-computer is automatically reset.
- The alarm is displayed when the abnormal transmission is maintained for 30 seconds from the starting of the out-
door unit.
- Investigate the cause of the over current and take the necessary action when the fuses are blown out or the circuit
breaker for the outdoor unit is activated.
- This alarm code may be indicated when he inverter or the fan motor malfunction and the outdoor unit cannot secure
the power source (No indication on the 7-segment of outdoor unit PCB). In this case, surely check the inverter, fan
motor and the continuity of the fuse on the circuit.
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