Service manual

Service manual for EH5216+
26
5.1.1 DVR does not boot up?
Start
Reseat AC adapter in DVR
and wall outlet
Try different ext. AC adapter
(if applicable)
Replace external AC-adapter
Done
Open DVR – check for loose
cables, reseat cables, close
DVR and retest
Replace following items if
available: int. main power
cable, power board, system
board
End
Try different wall-
power
-
outlet
Done
DVR booting – check front
LED & FAN
DVR booting – check front
LED & FAN
DVR booting – check front
LED & FAN
DVR booting – check front
LED & FAN
Y
Y
Y
Y
N
N
N
N