PD20Series
- 32 -
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 vibratesand 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:
①
The pump or pipe plug causes the pump current increase and the controller
protection; Need to pull out the pump and check
②
Because of the increase in operating current of the pump, which is caused by the
pump wire is too long, the controller will be protected, and the controller will be
enlarged to use.
5.2.3 DC switch trip when power on
①
A multimeter can be used to check the internal circuit of the controller, if there is
a short circuit, the machine has been damaged
②
Check if the machine has a burning smell; if there is a burning smell, please
contact the agent to replace the controller
5.2.4 The keyboard without display after power on
①
Use a multimeter to measure the input voltage of the controller; check the
voltage is normal.
②
Check if the machine has a burning smell; if there is a burning smell, please
contact the agent to replace the controller
