Maintenance - Amprobe AM-520 Mode D'emploi

MAINTENANCE AND REPAIR
If the Meter fails to operate, check battery, test leads, etc., and replace as
necessary.
Double check the followings:
1. Replace the fuse or battery if the meter does not work.
2. Review the operating instructions for possible mistakes in operating
procedure.
Quick check on 0.5A FUSE:
Step 1: Turn the rotary switch to Ω function.
Step 2: short-circuit E/V/Ω/Hz terminal and mA/μA terminal.
Resistance reading ≤ 1MΩ: the fuse is OK
Resistance reading "OL": the fuse is open. Replace the fuse as specified.
Quick check on 10A FUSE:
Step 1: Turn the rotary switch to Ω function.
Step 2: short-circuit E/V/Ω/Hz terminal and mA/μA terminal.
Resistance reading ≤ 0.5Ω: the fuse is OK.
Resistance reading "OL": the fuse is open. Replace the fuse as specified.
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