For test equipment with production date before March 31, 2009.
Or with serial numbers S*xxxx, TAxxxx, TBxxxx, and TCxxxx.
may it be improperly performing the charging process (connected charger accessory Z502D, no, incorrectly inserted / incorrectly contacted or defective batteries or batteries) may damage the tester.
Affected devices of this type will be provided by GMC-I Messtechnik GmbH as part of the recommended re-calibration free of charge with additional protection.