HMISIMATIC HMI KTPVerified · sol.ls-electric.com
SIMATIC HMI KTP 270000 — Battery low
Alarm — operational, inspection needed
CAUSE
Why does it occur?
Low charge on the internal RTC/clock backup battery
REMEDY · Step by step
How to fix it?
Replace the battery as described in the service manual
Do not reset repeatedly before identifying the cause. Repeated resets while ignoring a trip/alarm can cause secondary damage (IGBT failure, motor winding damage, etc.).
SOURCE
Related manual page
Summary based on the official Siemens AG manual. For accurate and complete information, always consult the official manual.
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