Fault Finding The Product; Overview Of Warnings And Alarms - Grundfos CUE Series Installation And Operating Instructions Manual

11. Fault finding the product

11.1 Overview of warnings and alarms

Type LED indicator
Warning Yellow
Alarm Flashing red
Trip lock Yellow and red
Number Description
1 10 V low
2 Live zero error
3 No motor
4 Mains phase loss
5 DC voltage high
6 DC voltage low
7 DC overvoltage
8 DC undervoltage
9 Inverter overloaded
10 Motor overtemperature
11 Motor thermistor overtemperature
12 Torque limit
13 Overcurrent
14 Protective earth fault
15 Hardware mismatch
16 Short circuit
17 Control word timeout
18 Start failed
21 Parameter error
23 Internal fan fault
24 External fan fault
25 Brake resistor short circuit
26 Brake resistor power limit
27 Brake chopper fault
28 Brake check failed
29 Heat sink temperature
30 Motor phase U missing
31 Motor phase V missing
32 Motor phase W missing
33 Inrush fault
34 Fieldbus communication fault
35 Option fault
36 Mains failure
38 Internal fault
39 Heat sink sensor
40 Overload of digital output terminal 27
41 Overload of digital output terminal 29
42 Overload X30/6 or X30/7
45 Protective earth fault 2
46 Power card supply
47 24 V supply low
48 1.8 V supply low
49 Speed limit
50 AMA calibration failed
51 AMA check U
52 AMA low I
nom
53 AMA motor too large
54 AMA motor too small
55 AMA parameter out of range
24
and I
nom nom
Alarm, trip
Warning Alarm
lock
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