Maintenance; Routine Maintenance; Replacing The Fuse - PCE Instruments CHAUVIX ARNOUX C.A 6421 Manual De Instrucciones

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Only use the specified spare parts. The manufacturer will not be held as
responsible for any accident resulting from a repair made outside its after-sales
service or accredited repair centers.

5.1. ROUTINE MAINTENANCE

5.1.1. Cleaning
Use a damp cloth or a sponge slightly wetted with soapy water. Do not use alcohol, petrol
or any other hydrocarbon-based product.
5.1.2. Replacing the batteries or accumulators
Battery condition is automatically and permanently checked. When the indicator 6 is on,
battery time is nearly over and the batteries need to be changed rapidly. In order to
avoid any operating failure, take a pack of 8 batteries with the instrument when you are
about to perform field measurements.
Before replacing the batteries, make sure no lead is connected to the instrument.
Replace all batteries at the same time.
Do not mix the batteries and accumulators.
Unscrew the two captive screws located under the instrument and remove the battery trap-
door. Replace all 8 batteries by 8 new batteries of the same type, and observe the polarity.
Put back the battery trap-door.

5.1.3. Replacing the fuse

The FAULT indicator blinks if the current circuit fuse is burnt out. This may be checked by
installing, between the S and E terminals, a resistance within the range 1 -1000 Ω , then by
shorting the E and H terminals (with the bar 4 open and the test leads disconnected). If the
FAULT indicator is still blinking, replace the fuse. Remove the battery trap-door, unscrew the
fuse holder, take out the fuse and replace it by a fuse of the same type (0.1 A - 250 V). Put
back the battery trap-door.
5.1.4. Storage
If the instrument has not been used for a long time, remove the batteries from their
compartment. Do not store the instrument in climatic conditions other than those specified
(see § 4: CHARACTERISTICS).

5. MAINTENANCE

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