TOA Electronics C-DR091 CU Series, C-DR161 CU Series operating instructions 119, Troubleshooting

33. TROUBLESHOOTING

Symptom	Possible Cause	Remedy
Power does not turn on.	Supplied power cord not correctly	Connect the power cord correctly.
(Unit not activated even if the	connected to the unit’s power
power key is pressed.)	receptacle and wall AC outlet.
Cannot operate front panel	Security settings in effect.	Operation level has been set in
keys.		security setting. Check the security
		setting contents. (Refer to p. 60;
		About Security Setting.)
No picture.	• Power not switched on.	• Switch on the power.
	• Cables not correctly connected.	• Connect cables correctly.
Cannot shut off the unit	Power key not continuously	Hold down the power key for 2
using the power switch.	pressed.	seconds or more.
Cannot stop auto recording.	Within the scheduled recording time	Try to stop outside the scheduled
		recording time.
Cannot make auto (Normal)	• Outside the scheduled recording	• Set to perform recording within
recording.	time.	the scheduled recording time.
	• Camera recording set to OFF in	• Set camera recording to ON in
	Normal recording settings.	Normal recording settings.
Cannot make auto (Alarm	• Outside the scheduled recording	• Set to perform recording within
Event) recording.	time.	the scheduled recording time.
	• Camera recording set to OFF in	• Set camera recording to ON in
	Alarm Event recording settings.	Alarm Event recording settings.
Sound not recorded.	Setting set to OFF.	Set setting to ON.
Cannot perform playback	No recorded data.	Playback recorded data.
or reverse playback.
Cannot search.	No recorded data.	Search recorded data.
Cannot archive	• No recorded data.	• Archive recorded data.
	• DVD-R/RW disk or USB memory	• Insert DVD-R/RW disk or USB
	not inserted.	memory.
Failure indicator flashes.	Check the content of failure log file.	Remove the cause of the failure.
Cannot eject DVD.	DVD cannot ejected by pressing	Press the hole (forced eject hole)
	DVD eject key.	located below the DVD insert
		tray. In this case, be sure to
		reactivate the power.

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