IMP PUMPS NMT Mini Series, Инструкция по установке и эксплуатации

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6 ERROR AND TROUBLESHOOTING
The display will show if an error occurred. Errors on the basic display will be shown as blinking curve light. Short
blinks will show the error group. Errors on the advance display will be shown as two digit number, where the
first digit shows the error group, and the second digit shows a more exact description.
Error group
(X)
Error description
Exact
description
Possible cause and solution
1 Load errors
10 Low load detected. The pump is running dry.
11
Motor overload. The motor might be faulty or a
viscous medium is present.
2 Protection active
22
The circuit is too hot and the power was reduced to
less than 2/3 of the rated power.
23
The circuit is too hot to run and the pump has
stopped.
24 Hardware overcurrent protection triggered.
25 Line voltage is too high.
26
Line voltage is too low for proper operation.
3 Hot motor 31
Average motor current was too high, pump load is
much higher than expected.
4 Electronic error
42 LED Fault
44 Voltage on DC link shunt not within expected range
48 15 V is not present
5 Motor error 51 Motor does not behave as expected.
Pump unresponsive Disconnect and connect it back to the electrical grid!
Pump not working Check your electrical grid and fuse!