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8 Troubleshooting
54
Alarm code
-
This alarm code is indicated after the operation is stpped when the following condition occurs three times within 30
minutes. The retry operation is performed twice.
Conditions:
•
When the temperature of the thermistor for inverter fin excess 80 °C (RAS-3HVNP1E)
•
When the temperature inside the transistor module excess 90 °C (RAS-(4-6)H(V)N(P/C)1E).
Restart operation.
Does it trip soon?
No
Is the heat
exchanger of outdoor
unit clogged?
No
N O T E
1*): Perform the high voltage discharge work by referring to the item
checking and replacing the inverter components.
270
SMGB0087 rev.0 - 12/2013
Abnormality of inverter fin temperature (RAS-3HVNP1E / RAS-(4-6)H(V)N(P/C)1E)
Yes
Yes
Replace inverter PCB. *1)
Remove clogging
Replace inverter PCB. *1)
"8.4.7 Checking procedure for other
parts", before
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Troubleshooting
