TROUBLESHOOTING GUIDE
The LCD display is
dim.
1. System battery
voltage is low.
2. Temperature is
extremely low.
1. Check the
system battery
voltage. Low
battery voltage
will cause the
display to dim.
The minimum
operating
voltage of the
meter is 8
volts.
2. In extremely
cold
temperatures
the LCD may
appear dim or
it may react
very slowly.
The meter is
powered, but it
does not display
any data.
The meter cable is
damaged.
Repair or replace
the cable with a 4-
or 6-conductor
telephone cable
with meter
connectors.
8
TROUBLESHOOTING GUIDE
Dust or debris has
collected in the
LCD window.
Meter has collected
dust or debris.
Follow the
instructions for
cleaning the meter
LCD found in
OPERATION.
Buttons do not
work or work
intermittently.
Buttons have
collected dust or
debris.
Follow instructions
for cleaning the
meter buttons
found in
OPERATION.
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