Kramer Electronics VP-31 - Manual (Page 19)

TROUBLESHOOTING
NOTES
1. Please note that if the output signal is disturbed or
interrupted by very strong external electromagnetic
interference, it should return and stabilize when such
interference ends. If not, turn the power switch off and then
on again to reset the machine.
2. If the recommended actions still do not result in satisfactory
operation, please consult your KRAMER Dealer.
Power and Indicators
Problem Remedy
No Power 1. Confirm that rocker switch is in “ON” position, and LED is illuminated.
2. Confirm that power connections are secured at the switcher and at the
receptacle. Make sure the receptacle is active, outputting the appropriate
voltage.
For the VP-31 and the VP-61RS models perform the following:
1. If still there is no power, remove power cord from AC outlet and then using
a flat head screwdriver, remove the fuse holder located directly below the
power connector on your switcher.
2. Confirm that the fuse is good by looking for the wire connected between the
ends of the fuse. If the wire is broken, replace fuse the with another, with the
same rating.
For the VP-32xl perform the following:
1. Using a Philips screwdriver, remove 4 side screws attaching the machine's
cover.
2. Remove 2 screws and 3 brackets tightening the audio board to the video
board and remove board.
3. Locate the fuse holder located inside your switcher (see Figure 9). Confirm
that the fuse is good by looking for the wire connected between the ends of
the fuse. If this wire is broken, replace the fuse with another, with the same
rating.
4. Tighten 2 screws and 3 brackets of the audio board.
5. Install the machine's cover by tightening its Philips screws.