Other

 

 

42 EN

 

 

 

 

 

Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Symptom

Cause (Information)

Remedy

 

 

 

Picture is not displayed.

Is there a problem in the power cable(s) connecting the

Use cable(s) with low cable resistance

 

 

 

 

camera to the power supply unit? (If the power cable(s)

and of the correct cable length. (Ensure

 

 

 

 

are too long or of an inadequate size, the correct

that the voltage supplied to the terminal

 

 

 

 

voltage may not be supplied due to an increase in cable

board is correct during camera

 

 

 

 

resistance.)

operation, i.e. when the rated current is

 

 

 

 

 

flowing through the camera.)

 

 

 

Power cannot be turned

Are cables connected properly to the terminal board on

Connect the cables properly.

on.

the Ceiling Mount ?

 

 

 

 

Power can be turned on

Is there a problem with the power cable(s) connecting

Change power cable(s) to one with of

but it later turns off

the camera to the power supply unit? (If the power

lower resistance (i.e. thicker or shorter

when the pan/tilt

cable(s) are too long or of an inadequate size, the

cable(s)).

mechanism starts

correct voltage may not be supplied due to an increase

(A pg. 13, ASwitch SettingsB)

operation.

in cable resistance during the pan/tilt operation.)

 

 

 

 

Video sync error occurs.

When LL is set, does the power supply frequency match the

Use a stable power supply with a

 

 

 

 

video frequency (PAL: 50 Hz, NTSC: 60 Hz)?

matching frequency.

 

 

 

 

Is there any serious noise interference in the power

Prevent noise interference from

 

 

 

 

supply?

occurring in the power supply.

 

 

 

 

 

 

Page 42
Image 42
JVC LWT0254-001B-H manual 42 EN, Troubleshooting, Other