Error And Troubleshooting - IMPPUMPS NMT Mini Serie Manual De Instalación Y Operación

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
Error description
(X)
1 Load errors
2 Protection active
3 Hot motor
4 Electronic error
5 Motor error
Pump unresponsive
Pump not working
Exact
description
10 Low load detected. The pump is running dry.
Motor overload. The motor might be faulty or a
11
viscous medium is present.
The circuit is too hot and the power was reduced to
22
less than 2/3 of the rated power.
The circuit is too hot to run and the pump has
23
stopped.
24 Hardware overcurrent protection triggered.
25 Line voltage is too high.
26
Line voltage is too low for proper operation.
Average motor current was too high, pump load is
31
much higher than expected.
42 LED Fault
The voltage on DC link shunt not within the expected
44
range
48 15 V is not present
51 Motor does not behave as expected.
Disconnect and connect it back to the electrical grid!
Check your electrical grid and fuse!
Possible cause and solution