Securing The Device; Battery Replacement; Fuse Replacement - Benning MM 10–PV Notice D'emploi

9.1 Securing the device

Under certain circumstances, safe operation of the BENNING MM 10-PV/
MM 10-1 might no longer be ensured, e.g. in case of:
- visible damage of the housing,
- incorrect measuring results,
- recognizable consequences of prolonged storage under inadmissible condi-
tions and
- recognizable consequences of extraordinary stress due to transport.
In such cases, immediately switch off the BENNING MM 10-PV/ MM 10-1, dis-
connect it from the measuring points and secure it against further use.
9.2 Cleaning
Clean the exterior of the device with a clean dry cloth (exception: special cleaning
wipers). Do not use any solvents and/or abrasives to clean the device. Make sure
that the battery compartment and the battery contacts are not contaminated by
leaking battery electrolyte.
If there are electrolyte contamination or white deposits in the area of the battery
or the battery compartment, clean these areas as well by means of a dry cloth.

9.3 Battery replacement

Before opening the BENNING MM 10-PV/ MM 10-1, strictly

observe that the device is free of voltage!
Electrical danger!
The BENNING MM 10-PV/ MM 10-1 is supplied by means of two integrated 1.5 V
batteries (AA/ IEC LR6). Battery replacement (see fig. 10) is required as soon as
all segments of the battery symbol
and the battery symbol
Proceed as follows to replace the battery:
- Disconnect the safety measuring leads from the measuring circuit.
- Remove the safety measuring leads from the BENNING MM 10-PV/
MM 10-1.
- Turn the rotary switch 9 to the switch setting "OFF".
- Remove the protective rubber holster M from the BENNING MM 10-PV/
MM 10-1.
- Lay the BENNING MM 10-PV/ MM 10-1 face down and release the screws
of the battery compartment cover.
- Lift the battery compartment cover to remove it from the housing.
- Remove the discharged batteries from the battery compartment.
- Insert the new batteries into the battery compartment observing correct po-
larity.
- Place the battery compartment cover onto the bottom part and tighten the
screw.
- Replace the BENNING MM 10-PV/ MM 10-1 in its protective rubber holster
M .
See fig. 10: Battery replacement
Make your contribution for environmental protection! Do not
dispose of discharged batteries via the household waste. In-

stead, return them to a collecting point for discharged batteries
or spezial waste. Please look for information in your commu-
nity's facilities.

9.4 Fuse replacement

Before opening the BENNING MM 10-PV/ MM 10-1, strictly

observe that the device is free of voltage!
Electrical danger!
The BENNING MM 10-PV is protected against overload by means of an inte-
grated fuse (G melt insert) 11 A rapid and the BENNING MM 10-1 is protected
against overload by means of an integrated fuse (G melt insert) 440 mA rapid
(see figure 11).
Proceed as follows to replace the fuse:
- Disconnect the safety measuring leads from the measurement circuit.
- Disconnect the safety measuring leads from the BENNING MM 10-PV/
MM 10-1.
- Turn the rotating switch 9 to the "OFF" position.
- Remove the protective rubber holster M from the BENNING MM 10-PV/
MM 10-1.
- Lay the BENNING MM 10-PV/ MM 10-1 face down and release the screws
03/ 2020
is flashing.
BENNING MM 10–PV/ MM 10–1
3 on the digital display 1 have disappeared

42