© by WilTec Wildanger Technik GmbH
Item 55550
Page 5
01 2022
-1
When the controller powers off accidentally, the device will save the last working condition automatically,
and will return to these conditions after the device will have been re-powered on. Thus, the settings will
be saved when there is a power failure e.
g.
6. Alarm function
The pump will automatically stop working if running without water more than 30
s, then re-start after 3
s,
repeating that 5 times and then power off permanently, reporting the error “ER03”; when the pump au-
tomatically stops working in case it is blocked, the display screen will show “ER02.” The pump will au-
tomatically re-start after the error will have been repaired.
7. Instruction code definition and trouble shooting
Code
Definition
Status
Trouble shooting
P000
Power
Normal
―
SP01–10
Flow rate level
Normal
FD10–01
Feeding mode
Normal
LOC
Lock
Normal
ER01
Overvoltage or undervolt-
age
Abnormal
Check the input voltage.
ER02
Pump lock protection
Abnormal
Check the pump whether it is stuck.
ER03
Pump idling protection
Abnormal
1. Check the pump whether it works without water.
2. Check whether there is air in the pipe.
ER04
Overheating
Abnormal
Clean the pump.
ER05
Short-circuit
Abnormal
Check the controller.
Maintenance and cleaning
Before any maintenance, cut off the power supply. After a certain time, if the pump has operated con-
tinuously, there will be much rubbish on the rotor part. If you do not clean regularly, this will not only
affect the normal operation, but can also damage the pump itself. So, you need to clean the rotor parts
regularly. Proceed as follows:
