Sentec SDM - Page 70

4 Troubleshooting
HB-005615-j
64
Problem
Possible Cause(s)
Recommended action(s)
P0409
Fan is noisy
Fan defective or
polluted
Remove mains connection and – if active –
wait until fan operation stops, then clean
ventilation slots.
Contact qualified service personnel if problem
persists.
SDM defective
Contact SenTec authorized service personnel.
Fan polluted
Clean case and Fan according to the Repair
Manual for the SDMS .
To be performed by SenTec authorized
service technicians only.
Fan defective
Replace Fan according to the Repair Manual
for the SDMS .
To be performed by SenTec authorized
service technicians only.
P0410
Fan is
blocked
Fan defective or
polluted
The fan has to be able to rotate freely. Check
ventilation slots if something is blocking the
fan.
If problem persists contact qualified service
personnel.
SDM defective
Contact SenTec authorized service personnel.
Fan not connected
Connect Fan according to the Repair Manual
for the SDMS .
To be performed by SenTec authorized
service technicians only.
Fan polluted
Clean case and Fan according to the Repair
Manual for the SDMS .
To be performed by SenTec authorized
service technicians only.
Fan defective
Replace Fan according to the Repair Manual
for the SDMS .
To be performed by SenTec authorized
service technicians only.
SMBC (Controller
Board) defective
Replace SMBC according to the Repair Manual
for the SDMS .
To be performed by SenTec authorized
service technicians only.