PDS33 Series
Look for technical support
5.2 Common Faults and Remedies
Check whether input voltage is in
normal range
Poor contact between
keyboard and control
board
Look for technical support
Lack of input power
(light)
Increase panel power or restart at
enough light
Replace the motor or check
mechanical fault
Confirm whether wiring is
correct
Incorrect setting of
parameters
Check and reset F5 group
parameters
Reconnect signal wire,and clear
external faults
Look for technical support
Abnormal carrier
frequency
Reduce carrier frequency
properly
The controller and pump shall
both be grounded (not together
with other external devices)
Cable too long between
controller and motor
Install output reactor or reduce
length of cable
Replace the motor or check
mechanical fault
Abnormal carrier
frequency
Increase carrier frequency
properly