Self-Diagnostic Indication - JVC GM-H40L1G Instructions Manual

Troubleshooting

Self-diagnostic indication

When something abnormal occurs with the monitor, this function informs you of the condition of the monitor with the self-
diagnostic lamps, allowing for smooth service work.
3 2 1
Self-diagnostic lamps
Power lamp
If the monitor screen turns off and the self-diagnostic
lamps light or fl ash
If the self-diagnostic lamps light or fl ash in red, check the following
before consulting the dealer where you purchased the monitor.
• If the self-diagnostic lamp 1 (upper) fl ashes, lamp 2 (middle)
lights, and lamp 3 (lower) fl ashes
This may be caused by the dusty intakes on the rear. If this
happens, switch off the main power using the POWER switch
(set to "‡ (off )"), unplug the AC power cord, then clean the
intakes by referring to the instruction on page 4.
After cleaning, switch on the monitor's main power again. If
the self-diagnostic lamps do not go off , consult your dealer
immediately.
If the monitor screen dims a little and "TEMP. OVER"
appears (or fl ashes)
If "TEMP. OVER" appears or fl ashes at the right bottom of the
screen, check the following before consulting the dealer where
you purchased the monitor.
"TEMP. OVER" appears to warn you of internal heat buildup, which
is usually caused by accumulated dust around the intakes or by
improper installation. If the cause of the internal heat buildup is
eliminated, this indication disappears and the screen returns to
normal brightness.
• If "TEMP. OVER" fl ashes in yellow
This may be caused by the dusty intakes on the rear. If this
happens, switch off the main power using the POWER switch
(set to "‡ (off )"), unplug the AC power cord, then clean the
intakes by referring to the instruction on page 4.
– After cleaning, switch on the monitor's main power again.
If "TEMP. OVER" still fl ashes, this problem may be caused by
improper installation or improper location of the monitor.
In this case, consult your dealer immediately to solve this
improper installation and to improve the circumstances
around the monitor.
• If "TEMP. OVER" appears in red
"TEMP. OVER" will be shown for about two minutes, the monitor
will shut off automatically, then the self-diagnostic lamps light in
red. If this happens, switch off the main power using the POWER
switch (set to "‡ (off )"), unplug the AC power cord, then consult
your dealer immediately.
36
(cont.)
If the trouble still persists, follow the procedure below:
1 Check which lamps are lit or fl ashing.
"TEMP. OVER" appears here.
2 Switch off the POWER switch on the back of the
3 Unplug the power cord.
4 Call your dealer and tell them which lamps are lit or
NOTE
• If you switch on the main power immediately after switching it
Store name where you purchased the monitor
To
Model name:
The self-diagnostic lamps light or fl ash as listed on the following
table. Please give me immediate advice or service if necessary.
TEMP. OVER
Your Name
Telephone No.:
Address:
On the Self-diagnostic Report Sheet (below), check the box
next to "Lights" or "Flashes" of the corresponding lamp or
lamps.
• Only one lamp may light or fl ash, or all three lamps may do
so.
monitor.
fl ashing. (Copy and fax the Self-diagnostic Report
Sheet below.)
off (or after recovering from a brief power interruption), the self-
diagnostic lamps may light (or fl ash), and no image may appear
on the screen. In this case, switch off the main power again, wait
for about 10 seconds, then switch it on again. If no self-diagnostic
lamps light or fl ash, you can operate and use the monitor as usual.
Self-diagnostic Report Sheet
LCD DISPLAY MONITOR GM-H40L1G
Self-diagnostic lamp
No. Lamp position
1 Upper
2 Middle
3 Lower
Conditions
& &
Lights Flashes
& &
Lights Flashes
& &
Lights Flashes
& &
Lights Flashes