Maintenance - Ht Instruments Iron Meter Bedienungsanleitung

6. MAINTENANCE

Only expert and trained technicians must perform this
operation. Remove the test leads or the conductor
under test before replacing the battery
6.1. BATTERY AND INTERNAL FUSES REPLACEMENT
When the display shows "
Fig. 10 Replacing batteries and internal fuses
Replacing the batteries
1. Turn the rotary switch to OFF.
2. Remove the cables from the input terminals.
3. Loosen the fastening screw of the battery compartment cover
(see Fig. 10 – part 1) on the top rear part of the instrument and
remove the cover.
4. Remove all batteries and replace them with new batteries of
the same type (see § ), respecting the indicated polarity.
5. Restore the battery compartment cover into place and fasten it
by means of the relevant screw
6. Do not scatter old batteries into the environment. Use the
relevant containers for disposal
Replacement of fuses
1. Position the rotary switch to OFF and remove the cables from
the input terminals
2. Loosen the fastening screw of the fuse compartment cover
under the instrument
the cover
3. Remove the damaged fuse, insert a new fuse of the same type
(see § 7.2) and close the fuse compartment again
6.2. CLEANING
For cleaning the instrument use a soft dry cloth. Never use a wet
cloth, solvents or water, etc
38
CAUTION
" it is necessary to replace the battery.
1
2
3
4
'
s stand (see Fig. 10 – part 4) and remove
IRONMETER
Fastening screw of
battery compartment
Battery compartment
Fuse compartment
Fastening screw of
fuse compartment