Sentec SDM - Page 66

4 Troubleshooting
HB-005615-j
60
Problem
Possible Cause(s)
Recommended action(s)
SMBM
(Motherboard)
defective
Replace SMBM according to the Repair
Manual for the SDMS .
To be performed by SenTec authorized
service technicians only.
P0401
Display is
dark, AC
Power /
Battery
indicator
(green /
yellow LED)
illuminated
ON / OFF
indicator
(green LED)
dark
SDM switched off
Switch on SDM.
If problem persists contact qualified service
personnel.
SDM defective
Contact SenTec authorized service personnel.
Power ON/OFF
Switch not
connected
Connect Power ON/OFF Switch according to
the Repair Manual for the SDMS .
To be performed by SenTec authorized
service technicians only.
Power ON/OFF
Switch defective
Replace Power ON/OFF Switch 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.
SMBM
(Motherboard)
defective
Replace SMBM according to the Repair
Manual for the SDMS .
To be performed by SenTec authorized
service technicians only.
P0402
fully charged
Battery is
discharged
after less
than 4 h
Battery defective
Contact qualified service personnel.
SDM defective
Contact SenTec authorized service personnel.
Insufficient capacity
of the rechargeable
Lithium Battery
Replace Rechargeable Lithium Battery
according to the Repair Manual for the SDMS .
To be performed by SenTec authorized
service technicians only.
Rechargeable
Lithium Battery
defective
Replace Rechargeable Lithium Battery
according to the Repair Manual for the SDMS .
To be performed by SenTec authorized
service technicians only.