Replacing the accumulator
32 BEETLE /M-III - Service manual
16 Replacing the accumulator
The accumulator bypasses an eventual power failure for up to 15 minutes and enables a controlled termination of
the POS program (see below "Safety in the event of power failure").
For the operation of an accumulator, the BEETLE /M-III must be equipped with a special UPS power supply unit.
Each accumulator has a limited service life. They should all replaced after no more than a five-year period.
DANGER
An explosion hazard exists if the accumulator is replaced incorrectly.
Only identical types or by types recommended by the manufacturer are permitted as replacements for the accu-
mulator.
NOTICE
First, take care to ensure that the device is switched off and that the supply voltage plug is pulled out.
Remove the cable cover at the rear of the housing.
Disengage the two knurled screws at the rear and lift the housing cover slightly. Pull the cover off the housing
towards the rear.
Disengage the battery cable.
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