Shenzhen Hpmont Technology Co., Ltd.
Chapter 7 Troubleshooting and Maintenance
HD3Z Series User Manual V1.2
-65-
Fault
Fault reasons
Counter-measures
E0021
Read / Write fault of
control board
EEPROM
•
Memory circuit fault of control board
EEPROM
•
Contact the supplier for repairing
E0022
Read / Write fault of
keypad EEPROM
•
Memory circuit fault of keypad
EEPROM
•
Replace the keypad
•
Contact the supplier for repairing
E0023
Faulty setting of
parameters
•
The power rating between motor
and inverter is too different
•
Improper setting of motor
parameters
•
Select an inverter with suitable power
rating
•
Set correct value of motor parameter
(F08.00 - F08.04)
E0024
Fault of external
equipment
•
Fault terminal of external equipment
operates
•
Check external equipment
E0025 PID setting loss
•
Analogue reference signal < F20.12
•
Analogue input circuit fault
•
Check the connection
•
Seek technical support
E0026 PID feedback loss
•
Analogue setting < F20.14
•
Analogue input circuit fault
•
Check the connection
•
Seek technical support
E0027
PID feedback out of
limit
•
Analogue setting signal > F20.16
•
Analogue input circuit fault
•
Check the connection
•
Seek technical support
E0028
SCI communication
timeout
•
Connection fault of communication
cable
•
Disconnected or not well connected
•
Check the connection
E0029
SCI communication
error
•
Connection fault of communication
cable
•
Disconnected or not well connected
•
Communication setting error
•
Communication data error
•
Check the connection
•
Check the connection
•
Corerectly set communication format
(F17.00) baud rate (F17.01)
•
Send the data according to MODBUS
protocol
E0034 Clock fault
•
Connection is loose
•
Running out of battery
•
Wrong time setting
•
Damaged
•
Check connection
•
Reconnect power or replace battery
•
Correctly set P01.00 - P00.02
•
Seek technical support
Note: E0022 does not affect normal run of controller.
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