Real Time Clock Battery Low

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The voltage of the Real Time Clock (RTC) battery is low, indicating it needs replacement. A low RTC battery can lead to loss of time and date settings upon power cycle, affecting data logging and time-dependent functions.

• The internal Real Time Clock (RTC) battery has reached the end of its service life due to normal aging.
• The drive has been powered off for an extended period, leading to a significant drain on the RTC battery.
• A rare fault in the RTC battery charging or monitoring circuit on the control board.

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1. 1

   1. Order the specified replacement RTC battery (e.g., CR2032 or specific module) from the drive manufacturer or authorized distributor.

2. 2

   2. Power down the drive completely and disconnect all power sources (mains and control power) following lockout/tagout procedures.

3. 3

   3. Locate the RTC battery on the control board (refer to the drive's hardware manual for the exact position).

4. 4

   4. Carefully remove the old battery, noting its polarity, and install the new battery with the correct orientation.

5. 5

   5. Restore power, then navigate to the RTC settings (e.g., P1.1.20 for date, P1.1.21 for time) and set the correct time and date.