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Service
Outdoor unit errors
Error Description NO RESET RESET
Volatile User reset HP Power
OFF
Service reset
9E31 Compressor thermostat protection - X - -
9E32 Compressor thermostat protection - - - X
9E34 Low-pressure protection - X - -
9E35 Low-pressure protection - - - X
9E36 Compressor phases current imbalance - X - -
9E37 Compressor phases current imbalance - - - X
9E38 Excessively steep compressor current variation - X - -
9E39 Excessively steep compressor current variation - - - X
Inverter error
Description Code (for inverter errors fall-
ing within error code 931)
AEROTOP SPLIT ODU
04X.2 - 05X.2 -
08X.2
08X.2 & 08.2
Inverter output current sensor error 1 x x
DC bus condensers pre-charge error 2 x
Inverter input voltage sensor error 3 x
Inverter heat sink temperature sensor error 4 x x
DSP&MCU communication error 5 x
Inverter input AC overcurrent 6 x x
Inverter PFC current sensor error 7 x
Inverter PFC temperature sensor error 8 x
Corrupt EEPRPOM 9 x
PFC HW overcurrent 10 x
PFC SW overcurrent 11 x
Inverter PFC overvoltage 12 x
A/D error 13 x
Addressing error 14 x
Compressor inverse rotation 15 x
No current variation on compressor phase 16 x
Misalignment between real and calculated speed 17 x x
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