HUBITOOLS HU31010 Manual Del Usuario página 22

Trouble Shooting
1. Meter will not turn ON.
 Check the battery contacts for a tight fit.
 Check for a minimum battery voltage of 8.0 volts.
2. Ampere reading is erratic or there is no reading at all.
 Disassemble the meter back cover as per the fuse replacement instructions on page 36 and test the
fuses for continuity with another meter.
3. Meter reading is erratic.
 Printed circuit board damaged from handling with hands.
 Low battery.
 "Blown" fuse.
 Open circuit in a test lead (frayed or broken wire).
4. Meter readings do not change.
 "Hold" feature is still toggled ON.