Grundfos RSI Series - Page 16

English (GB)
16
12
110
Brake chopper
supervision
(hardware fault)
No brake resistor installed.
Brake resistor is broken.
Brake chopper failure.
Check brake resistor and
cabling.
If these are ok, the chopper is
faulty. Contact the distributor
near to you.
111
Brake chopper
saturation alarm
13 120
AC drive
undertemperature
(fault)
Too low temperature measured in
power unit's heat sink or board. Heat
sink temperature is under -10 °C.
Check the ambient temperature
14
130
AC drive
overtemperature
(fault, heat sink)
Too high temperature measured in
power unit's heat sink or board. Heat
sink temperature is over 100 °C.
Check the correct amount and
flow of cooling air.
Check the heat sink for dust.
Check the ambient temperature.
Make sure that the switching
frequency is not too high in
relation to ambient temperature
and motor load.
131
AC drive
overtemperature
(alarm, heatsink)
132
AC drive
overtemperature
(fault, board)
133
AC drive
overtemperature
(alarm, board)
15 140 Motor stalled Motor is stalled. Check motor and load.
16 150
Motor
overtemperature
Motor is overloaded.
Decrease motor load.
If no motor overload exists,
check the temperature model
parameters.
17 160 Motor underload Motor is underloaded. Check load.
19
180
Power overload
(short-time
supervision)
Drive power is too high. Decrease load.
181
Power overload
(long-time
supervision)
25
240
Motor control fault
Start angle identification has failed.
Reset the fault and restart.
Should the fault re-occur,
contact the distributor near to
you.
241 Generic motor control fault.
26 250
Start-up
prevented
Start-up of the drive has been
prevented. Run request is ON when
a new software (firmware or
application), parameter setting or
any other file, which has affects the
operation of the drive, has been
loaded to drive.
Reset the fault and stop the AC
drive.
Load the software and start the
AC drive.
30 530 STO fault
Emergency stop button has been
connected or some other STO
operation has been activated.
When the STO function is
activated, the drive is in safe
state.
32 312 Fan cooling Fan life time is up.
Change fan and reset fan life
time counter.
33 320
Fire mode
enabled
Fire mode of the drive is enabled.
The drive's protections are not in
use.
Check the parameter settings
Fault
code
Fault
ID
Fault name Possible cause Remedy