Dear Bärchen,
thanks for your reply. I already did. The old one was weak and did not look good. It worked for three Days. The new one had 2.5V and now dead again. That seems very quick to me, normally the backup battery should last at least months without AC power.
The clock of the IDR48 does not run even if the device is switched on. After power loss, an empty show is always loaded. A specific start show is not set.
best regards / liebe Grüße,
Jan
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