T143 — Circuit A Failure To Pressurize

What does T143 mean?

Circuit A is failing to pressurize. This usually points to issues with compressor operation or wiring causing reverse rotation.

• Wiring causing reverse rotation
• Faulty compressor

Click steps to track your progress.

1. 1

   Check wiring to ensure correct rotation.

2. 2

   Inspect the compressor for signs of failure.

3. 3

   Consult a qualified technician for diagnosis and repair.