Shenzhen Hpmont Technology Co., Ltd.
Chapter 8 Troubleshooting and Maintenance
HD09 Series User Manual V1.1
-57-
Fault
Fault reasons
Counter-measures
E0019
Motor overload
•
Improper setting of V/f curve
•
Mains supply voltage is too low
•
Normal motor runs for a long time
with heavy load at low speed
•
Motor runs with blocked torque or
load is too heavy
•
Adjust thesetting of V/f curve (F09.01 -
F09.06)
•
Check the power input
•
Please use special motor
•
Please check the load and mechanical
transmission devices
E0021
Access fault of
Control board
EEPROM
•
Memory circuit fault of control
board EEPROM
•
Please contact the supplier for
repairing
E0024
Fault of external
equipment
•
Fault terminal of external
equipment operates
•
Please check external equipment
E0028
SCI communication
time-out
•
Connection fault of
communication cable
•
Disconnected or not well
connected
•
Please check the connection
E0029
SCI communication
error
•
Connection fault of
communication cable
•
Disconnected or not well
connected
•
Communication setting error
•
Communication data error
•
Please check the connection
•
Please check the connection
•
Please correctly set the
communication format (F17.00), and
the baud rate (F17.01)
Note:
If E0028 or E0029 are displayed on the keypad, there is no need to stop the inverter.