14. TROUBLESHOOTING
By purchasing this charging device you have acquired a product that has been designed to
the state of the art and is operationally reliable. Nevertheless, problems or errors may
occur. Therefore, we would like to describe to you how to remove possible interferences.
No function or no display
• Is the hollow plug of the mains adapter correctly plugged into the charger socket?
• Is the mains adapter correctly plugged into the mains socket and is the mains voltage
present?
No battery identified
• Are the contacts of the charge slot or battery contaminated? If required, clean it with a
clean, dry cloth.
Device temperature too high (display "OVERTEMP!!! Please Wait")
• The charger is overheated. After the cooling phase, the programme is continued
automatically. If required, ensure a cooler ambience temperature (e.g. do not operate the
charger at direct sun irradiation).
Display "ERR" ("ERROR") for one or several inserted batteries
• A non-rechargeable battery or impermissible battery was inserted accidentally.
• The wrong battery chemistry was selected
• The rechargeable battery is defective.
• If "ERR" is displayed at the same time for several cells, remove all cells from the charger
and charge the cells individually to detect the defective battery.
Immediate display "RDY" ("READY") in programme "DIS" (DISCHARGE") or
immediate commencement of charging at programme "CHK") ("CHECK")
• Deep discharged battery: Cancellation of discharge process to protect the battery
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