Sentec SDM - Page 68

4 Troubleshooting
HB-005615-j
62
Problem
Possible Cause(s)
Recommended action(s)
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.
P0405
POST screen
does not
disappear
POST failed
Write down the Error code, switch the SDM
off and on again.
If problem persists contact qualified service
personnel.
SDM defective
Contact SenTec authorized service personnel.
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.
P0406
SDM does
not react if
any button is
pressed
Menu-Access
disabled
Refer to P0420
SDM firmware is
not responding
(firmware has
crashed)
Switch the monitor off and on again.
If problem persists contact qualified service
personnel.
SDM defective
Contact SenTec authorized service personnel.
Keyboard not
connected
Connect Keyboard according to the Repair
Manual for the SDMS .
To be performed by SenTec authorized
service technicians only.
Keyboard defective
Replace Keyboard according to the Repair
Manual for the SDMS .
To be performed by SenTec authorized
service technicians only.