Product Manual

Table Of Contents
CU331SP variable frequency drive
SQ, SQE, CU 331, and SP
10
48
Indicator lights
The operating condition of the pump is indicated by the
indicator lights on the front of the control panel. See
fig. 46.
The table shows the function of the indicator lights.
Displays, general terms
Figures 47 and 48 show the general terms of the
display.
Fig. 47 Example of display in the start-up guide
Fig. 48 Example of display in the user menu
Warning and alarm list
1)
In case of an alarm, the CU331SP will change the operating mode
depending on the pump type. Warning is reset in display 3.20.
Indicator light Function
On (green)
The pump is running or has been stopped by a stop
function.
If flashing, the pump has been stopped by the user
(CU331SP menu), external start/stop or bus.
Off (orange) The pump has been stopped with the on/off button.
Alarm (red) Indicates an alarm or a warning.
Display name
Current display / total number
Value field
Display name
Display number, menu name
Value field
Code and display text
Status
Operating
mode
Resetting
Warning
Alarm
Locked alarm
1 Too high leakage current Stop Man.
2 Mains phase failure
Stop Aut.
3 External fault
Stop Man.
16 Other fault
Stop Aut.
Stop Man.
32 Overvoltage
-Aut.
Stop Aut.
40 Undervoltage
-Aut.
Stop Aut.
48 Overload
Stop Aut.
Stop Man.
49 Overload
Stop Aut.
55 Overload
-Aut.
Stop Aut.
57 Dry running
Stop Aut.
64
Too high CU331SP
temperature
Stop Aut.
89 Sensor 1 outside range
1)
Aut.
96
Setpoint signal outside
range
1)
Aut.
155 Inrush fault
Stop Aut.
241 Motor phase failure
-Aut.
Stop Aut.