T153 - Real Time Clock Hardware Failure

What does T153 mean?

The internal real-time clock hardware has failed. The unit will shut down. This may affect scheduling and timing functions.

• Control board failure
• Internal hardware issue

Click steps to track your progress.

1. 1

   Check for any visible damage to the control board.

2. 2

   Ensure the unit has stable power supply.

3. 3

   A technician needs to diagnose and likely replace the control board.