Troubleshooting - Panasonic WJ-ND400K Installation Manual

Troubleshooting

Check the following before requesting repair. Contact a dealer if a problem cannot be solved even after checking and trying the solu-
tion or if a problem is not described below, or when having a problem with installations.
Problem
Power is not turned on.
Alarm operations are not
activated.
The error indicator blinks
orange.
The unit stops because of the
thermal error.
The extension unit is not
recognized.
(When an extension unit is
connected)
Check item/Remedy
Check if the power plug is properly connected to the AC outlet.
Check if the power cord is properly inserted into the power cord inlet of
the recorder.
Check if alarm input signals are properly input to the ALARM or ALARM/
CONTROL at the rear panel.
Check the settings of the ALARM connector.
The fan is out of order.
Contact your dealer.
Are the fans at the rear or the ventilation slots on the front and both sides
of the recorder blocked?
Make sure that if the fans at the rear, the ventilation slots on the front, or
both sides of the recorder are not blocked.
Temperature inside the unit is too high/low.
Use the recorder at appropriate ambient temperatures.
When the error indicator blinks orange, the temperature inside the
recorder may be too high.
Check whether dust is collected around the fans or not.
Make sure that the connection cable provided with the extension unit is
being used.
Make sure that the connection cable is not loose.
Was the power of the extension unit turned on before turning on the
power of the recorder?
Reboot the system and turn on the power of the extension unit first.
When using a circuit breaker or equivalent device to turn on/off the power
of the whole system at one time, make sure that all devices are connect-
ed to the same power source.
When using an UPS (uninterruptible power system), connect all devices
to the same UPS.
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