VOLTCRAFT Charge Manager 420 Bedienungsanleitung Seite 51

Low charge capacity (C) although the battery was discharged
• Process battery with the "ALV" ("ALIVE") programme. If the charge capacity "C" is still too
low, the battery is defective.
No display in the device display and/or no reaction due to EMC impulses,
electrostatic discharge = ESD, surge impulses or line-conveyed interference
resistance
• Disconnect the device from the power supply and reconnect it.
Significant warming on the housing
• The high performance of the device results in heating of the top and bottom of the
casing; this is no fault; ensure good ventilation.
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