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Specification of high-performance vector convertor
1. Check wiring of host computer
2. Check wiring of communication line
Fault handling
3. Set type of communication expansion card correctly
method
4. Set communication parameters correctly
Fault name
Contactor fault
Display panel
Err17
1. Abnormal driver board and power
Check fault
2. Abnormal contactor
cause
1. Change driver board or power
Fault handling
2. Change contactor
method
Fault name
Fault of current detection
Display panel
Err18
1. Abnormal Hall device
Check fault
2. Abnormal driver board
cause
1. Change Hall device
Fault handling
2. Change driver board
method
Fault name
Tuning fault of motor
Display panel
Err19
1. Motor parameter is not set as per nameplate
Check fault
2. Parameter identification process overtimes
cause
1. Set motor parameter correctly as per nameplate
Fault handling
2. Check the lead between frequency convertor and motor
method
Fault name
Fault of encoding disk
Err20
Display panel
1. Model of encoder does not match
Check fault
2. Incorrect wiring of encoder
cause
3. Encoder is damaged
4. Abnormal PG card
1. Set model of encoder correctly based on actual situation
Fault handling
2. Remove wiring fault
method
3. Change encoder
4. Change PG card
Fault name
Read-write fault of EEPROM
Display panel
Err21
Check fault cause 1. EEPROM chip is damaged
Fault handling
1. Change main control panel
method
Fault diagnosis and countermeasures
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