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FULLTEST3
EN - 86
10. MAINTENANCE
10.1. GENERAL
1. During use and storage, follow the recommendations listed in this manual to avoid
possible damage or danger during use
2. Do not use the instrument in environments with high humidity or high temperature.
Do not expose to direct sunlight. Always switch off the instrument after use
10.2. CLEANING THE INSTRUMENT
1. If the tester is needed to be cleaned after daily usage, it is advisable to use a wet
cloth and a mild household detergent
2. Prior to cleaning, remove the machinery tester from all measurement circuits and
from mains. Never use acid-based detergents or dissolvent liquids for cleaning.
After cleaning it, do not use the instrument until it is completely dried up.
10.3. FUSE REPLACEMENT
In case of replacement of internal fuses proceed as follows:
CAUTION
x
Only experienced technicians can do this. Before performing this
operation, make sure you have removed all the cables from the input
terminals and disconnect the instrument from the power supply
x
Use only fuses complying with the instructions in the §
Replacement Fuse F1 and F2
¾
The F1 and F2 fuses are general mains ones for the tester and protect internal
circuitry in POWER, R
PE
and DIELECTRIC measurements
¾
In case mains switch pilot lamp (see Fig. 2 – part 5) does not illuminate after
connecting the instrument to mains outlet and switching on the mains switch and
neither the LC-Display shows any indication, it is very likely mains fuse
F1
(see
Fig. 2 – part 4) or
F2
(see Fig. 2 – part 3) or both to be blown
1. Open the fuse holder
F1
and
F2
by using an appropriate screwdriver
2. Remove the defective fuse and replace it with a new one (see §)
3. Replace the fuse holder
Replacement Fuse F3
¾
The F3 fuse protect internal circuitry in LOOP, R
A
or RCD function
¾
The fuse F3 is damaged if the message "F3 FUSE" appears on the display in the
LOOP, RA or RCD functions
1. Open the fuse holder
F3
(see Fig. 2 – part 2) by using an appropriate screwdriver
2. Remove the defective fuse and replace it with a new one (see §)
3. Replace the fuse holder.
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