TROUBLESHOOTING
DISPLAY PROBLEMS
If the display does not illuminate
• Check connection to the battery.
• Battery may be too low to power the analyzer (below 1 volt). Fully
charge the battery and retest.
• Internal 9-volt battery may need to be replaced. Replace the 9-volt
battery and retest.
• If the analyzer detects computer or ignition noise, a SYSTEM NOISE
message will appear on the display. Verify that all vehicle accessory
loads are off and the ignition switch is in the off position. The ana-
lyzer will automatically retest when the system noise is no longer
detected. If the SYSTEM NOISE message continues after several
retest attempts, disconnect the battery cables and retest.
• If the analyzer does not power up when the PRINT/VIEW button is
pressed, replace the 9-volt battery.
PRINTING PROBLEMS
Status LED
When a printer fault occurs, the STATUS LED will flash. You can identify
the fault by the number of sequential flashes:
Sequence Condition Solution
Paper out
Thermal head too hot
Fit new paper
Allow head to cool
* * *
** ** **
*** *** ***
Battery low
Recharge printer
battery for 16 hours
• 12 •
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