0: No fault
1: Inverter module protection
(E001)
2. Over-current when accelerate
(E002)
3: Over-current when decelerate
(E003)
4: Over-current at constant
speed (E004)
5: Over-voltage when accelerate
(E005 )
6: Over-voltage when decelerate
(E006)
7: Over-voltage at constant
speed (E007)
8:Hardware overvoltage (E008)
9:Under voltage (E009)
10:Inverter overload (E010)
11:Motor overload (E011)
12:Phase-lack of input (E012)
13:Phase-lack of output (E013)
14:Heatsink overheating (E014)
15:External fault (E015)
16:Communication fault (E016)
17:Reserved
18:Current detection fault
(E018)
20:Well level fault(E020)
21:Tank level fault(E021)
22:EEPROM fault (E022)
26:Water shortage fault (E026)