ECKELMANN Case Controller UA 4 E Series - Battery Replacement

Firmware V3.13
21.04.2021
140/466
6.5 Battery replacement
Only UA 410 E AC
The case controller has a buffer battery of the typeCR2450N,3VLithium. In order to change the battery, it is
necessary to remove the case controller from the system. In this case, the refrigeration point is not regulated
and monitored!
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DANGER
Warning about dangerous electrical voltage! Danger of electric shock!
A voltage of 230 V AC can be present on some connectors.
Never operate the device without lid.
The safety regulations and work safety instructions in chapter Conventions must be observed for
thebatteryreplacement.Abatteryreplacementmayonlybeperformedbytrainedpersonnelorat
the factory by the manufacturer!
Allplugconnectorsmayonlybeinsertedandremovedwhenthepower supply is disconnected.
Label connector if necessary before the removal and then detach.
Circuit boards may only be replaced when the power supply is disconnected. Always hold circuit
boards at the edge.
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ObserveESD(ElectrostaticDischarge)regulations(seemanualESD - Rules for handling
and working)!{
ATTENTION
Risk of false alarm! The removal of the controller from the CAN bus generates an error message in
thehigherlevelcontroller(system centre / store computer / operator terminal). Therefore, in addition to
the precautionary measures that directly affect the control, consequences on the higher level
controllers connected to the CAN bus must also be considered.ItmustbeensuredthatActivating
service mode is activated on the higher level controller and that the service centre has previously been
informed accordingly.
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