E63 — Subcooling Module Dip Switch Error

What does E63 mean?

This error occurs when the system detects a subcooling module, but the dip switch setting for the subcooling module is incorrect or not configured. This is an unresumable fault.

• Incorrect dip switch settings on the main PCB or subcooling module.
• A mismatch between physical installation and configuration settings.

Click steps to track your progress.

1. 1

   Turn off the main power to the Haier unit at the circuit breaker.

2. 2

   Wait for at least 30 seconds.

3. 3

   Restore power to the unit and observe if the error clears.

4. 4

   If the error persists, contact a qualified service technician to verify and correct the dip switch settings for the subcooling module according to the installation manual.