Harbor Freight Tools Model 67980 - Manual (Page 37)

Troubleshooting
35
6. Troubleshooting
284B
SYMPTOMS 285B
POSSIBLE
REASONS 286B
SOLUTIONS
287B
Display is on, but does not
show image.
288B
Cable connection
is loose.
289B
Check and
reattach.
290B
Imager head is
covered by debris.
291B
Inspect imager
head and clean
if needed.
292B
LEDs on imager head are dim
at max brightness, display
changes between black and
white, and/or the color display
turns itself OFF after a short
period.
293B
Low battery. Charge battery.
295B
The tool will not turn on.
296B
Dead battery.
297B
Charge battery.