Common Faults And Remedies - SAJ PDS33 Series User Manual

PDS33 Series
Fault
Fault description
code
fault

5.2 Common Faults and Remedies

Fault
Order
phenomenon
No display
1
on keypad
Pump cannot
2
run
DI terminal
3
failure
Controller
4
interference
Big noise of
5
motor
Possible causes
Keypad failure
Possible cause
Abnormal input voltage
Poor contact between
keyboard and control
board
Inner instrument failure
Lack of input power
（light）
Motor failed or stuck
Incorrect wiring of
motor
Incorrect setting of
parameters
External fault
Control board failure
Abnormal carrier
frequency
Incorrect ground
method
Cable too long between
controller and motor
Motor failed or stuck
Abnormal carrier
frequency
- 44 -
Look for technical support
Remedy
Check whether input voltage is in
normal range
Check connect cable
Look for technical support
Increase panel power or restart at
enough light
Replace the motor or check
mechanical fault
Confirm whether wiring is
correct
Check and reset F5 group
parameters
Reconnect signal wire，and clear
external faults
Look for technical support
Reduce carrier frequency
properly
The controller and pump shall
both be grounded （not together
with other external devices）
Install output reactor or reduce
length of cable
Replace the motor or check
mechanical fault
Increase carrier frequency
properly
Remedy