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Section 5 - Fault finding
This Section deals with simple checks and procedures that can be performed by the system user. Since
most operating problems are the result of incorrect assembly or incorrect use of the controls, please
check Sections 2, 3, and 4 of this manual before embarking on fault finding.
The table below shows some of the more common problems, together with a suggested course of action.
NOTE: If the fault persists after following the procedures in this Section, contact Pearpoint
Table 5.1 Faultfinding Guide
Event
Monitor shows
blank screen
Camera and lights
do not operate
Picture OK but
lights do not
operate
Picture colors look
wrong
Picture is blurred or
fuzzy
Picture is dark
Picture is broken
up
Noise
(interference) on
screen
38
Possible cause & correction
1. Not a fault - system is in standby mode.
Press the STANDBY button.
2. Power supply fuse in hose assembly pogo block is blown.
Pull out and replace with a 3A wire ended fuse, Part Number
26/B0419275. See Figure 4.2 Item 6 for location of fuse.
3. Camera faulty or not connected.
Check link cable connections.
Check camera/rod connections. Refer to Section 2.
Check to see if the lights operate. If they do, all connections are
probably good but the camera is probably faulty. If the lights operate, it
could still be a faulty connection so check connections as noted above.
1. Power failure.
Check power supply
2. Power lead disconnected or damaged.
Reconnect power lead or, if damaged, replace lead.
3. Ingress of water or dirt to rod/camera connections. Remove camera
from rod and check pogos and sliprings for cleanliness. Clean as required.
4. Rod damaged.
Inspect rod. If damaged, seek advice from Pearpoint.
1. Bad connection between the camera and the lighthead.
Turn off the system.
Disconnect the camera from the lighthead. Clean the sliprings
thoroughly with
Ambersil Ambertron spray, re-lubricate with silicone grease and
reconnect the camera.
Lamps might have blown. If possible, try another lighthead to check that
lighting power is available. If it is, refer to Section 4 for lamp change
procedures.
NOTE: On P417 and P418 Lightheads, failure of one lamp causes both
to go out.
1.
Wrong color correction selected.
Refer to Section 3 for details on changing color correction
1. Camera not focused.
Refer to Section 3 of this user manual for information about focusing the
camera.
2. Wrong equalization.
Refer to Section 3 of this user manual for information about equalization.
1. Manual iris selected and closed too far.
Refer to Section 3 of this user manual to open iris and/or select auto and
adjust monitor controls.
1. Wrong equalization selected.
Refer to Section 3 of this user manual for information about equalization.
1. Ingress of dirt or water to the rod/camera connection causing
interference as the camera turns.
Remove camera from rod and check pogos and sliprings for cleanliness.
Clean as required
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