A157 - A/D Hardware Failure

¿Qué significa A157 ?

There is a hardware failure in the Analog-to-Digital converter. The unit will shut down.

• Control board failure
• Internal hardware malfunction

Haga clic en los pasos para seguir su progreso.

1. 1

   Ensure the unit has a stable power supply.

2. 2

   Check for any physical damage to the control board.

3. 3

   Contact a qualified HVAC technician to diagnose and replace the control board if necessary.