![](/images/new-backgrounds/1241207/24120765x1.webp)
32 MMD 540H Hybrid Multimeter Trouble Shooting
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 31 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.
Robert Bosch LLC | MMD 540H Instruction Manual Version 1 February 2008 |