Table des Matières
Publicité
10.2
Erreur E20
Code
Anomalies
1
IPM excessive current
2
Compressor failure
4
Reserved
8
Compressor lack of phase
16
DC bus voltage too low
32
DC bus voltage too high
64
Temp of radiating fin too high
128
Temp of radiating fin failure
257
Connection failure
258
AC input lack of phase
260
AC input voltage to high
264
AC input voltage too low
272
High pressure failure
288
IPM temp too high
320
Compressor current too high
384
Reserved
10. Annexes
Causes possibles
IPM module failure
Compressor failure
--
The wire for the compressor break/bad connection
Input voltage too low/PFC module failure
Input voltage too high/PFC module failure
Fan motor failure/Air duct blockage
Radiating fin temp sensor short circuit or open circuit failure
Inverter module doesn't receive the command of PCB
Input lack of phase
Input three-phase unbalance
Input voltage too low
Compressor pressure too high (reserved)
Fan motor failure/Air duct blockage
The current of the compressor wiring too high/ Driver and
compressor do not match
--
39
Actions
Replace the inverter module
Replace the compressor
--
Check the wire connection of the compressor
Check input voltage/replace module
Replace the inverter module
Check fan motor/air duct
Replace the inverter module
Check the connection between the module and PCB
Check the wire connection
Check input the 3-phase voltage
Check input voltage
--
Check fan motor/air duct
Replace the inverter module
--
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