ACD200usermanual Fault Diagnosis and Countermeasures
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Improper V/F curve
Adjust the V/F curve setting,adjust
the torque lifting range
Restart the rotating motor
Set it as speed-checking and
restarting function
Low voltage of grid
Check input power
Inverter power is too big
Use inverter with smaller power
level
Improper V/F curve
Adjust the V/F curve setting,adjust
the torque lifting range
Low voltage of grid
Check input power
General motor operating at
low-speed and big load for a long
time
Operating at low speed for a long
time, can choose frequency
conversion motor
The setting of motor overload
protection coefficient is not
correct
Set the motor overload protection
coefficient correctly
U-11
Motor overload
Motor stall or too much change in
load
Check the load
U-12
Reserved
Reserved
Reserved
U-13
Reserved
Reserved
Reserved
Duct obstrution
Clear the duct or improve
ventilation
The environment tempreture is
too high
Improve the ventilation, lower the
carrier frequency
U-14
Inverter is
cverheat
Fan damaged
Chang fans
Use the key
if it is not
the keypad operating mode
Check the operating mode
Use the key
in the stall
status
Set the operating parameters
correctly
U-15
External
equipment
fault
Stop suddenly and the terminal
closed due to external fault
Deal with the external fault and
disconnect the external fault
terminal
Improper setting of baud rate
Set the baud rate correctly
Serials port communication
error
Reset by press the key and
ask for technical service
Improper setting of fault
warning parameter
Modify the setting of H3.38、H3.39
U-16
RS485
communication
fault
Position machine does not work
Check whether the position machine
is working,and whether the wiring
connection is right
Содержание ACD200 Series
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