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32 | MMD 540H Hybrid Multimeter | Trouble Shooting
Trouble Shooting
1. Meter will not turn ON.
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Check the battery contacts for a tight fi t.
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Check for a minimum battery voltage of 8.0 volts.
2. Ampere reading is erratic or there is no reading at all.
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Disassemble the meter back cover as per the fuse
replacement instructions on page 31 and test the fuses for
continuity with another meter.
3. Meter reading is erratic.
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Printed circuit board damaged from handling with hands.
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Low battery.
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"Blown" fuse.
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Open circuit in a test lead (frayed or broken wire).
4. Meter readings do not change.
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"Hold" feature is still toggled ON.
Robert Bosch LLC
Get other manuals https://www.bkmanuals.com
MMD 540H Instruction Manual | Version 1 | February 2008
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