Common Faults And Remedies - SAJ PDS33 Series User Manual

PDS33 Series

5.2 Common Faults and Remedies

The PDS33 solar pump controller may have following faults or malfunctions during
operation, please refer to the following remedies.
5.2.1 Pump can not run
The main problem of the new system is that the wiring is not standardized and the
controller terminal line falls，so that the pump cannot run. Sometimes the RUN
indicator light on the keyboard is bright, and the controller also has voltage
output,but may be the solar array does not have enough power to start the pump;
then the controller will attempt to start the pump every 120s. There are the following
reasons for the pump can not run:
① If there is no enough sun light, and the controller's input power is not enough.
② Motor wiring errors cause the pump to reverse, change the wiring.
③ The motor shaft vibrate sand can not rotate, it may be caused by the wiring
errors;Need to re check the motor wiring.
④ Pumps and pipes are clogged with mud and debris, and the pump can't run
5.2.2 Controller over current, overload fault（E002/3/4/10/11）
The controller appears over current and overload failure may be due to the following
reasons:
①The pump or pipe plug causes the pump current increase and the controller
protection; Need to pull out the pump and check
②Because of the increase in operating current of the pump, which is caused by the
too long pump wire, the controller will be protected, and the controller will be
enlarged to use.
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