LED: CPU Continuous light — CPU is not running correctly

What does Continuous light CPU mean?

The CPU LED on the base board (AA2) is continuously lit, indicating that the CPU is not functioning correctly.

• Software issue on the base board.
• Defective base board or CPU.
• Firmware corruption.

Click steps to track your progress.

1. 1

   Try resetting the Heat Pump by briefly disconnecting and reconnecting its main power supply (via circuit breaker).

2. 2

   Ensure the main product's software is the latest version, if applicable.

3. 3

   If the LED remains continuously lit after a reset, contact a qualified technician as this may indicate a fault with the base board.