E64 — CT Current Over High

What does E64 mean?

This error indicates that the CT (Current Transformer) current has exceeded the specified value for 5 consecutive seconds, indicating an electrical overload. If this occurs 3 times in an hour, the failure will be confirmed as unresumable.

• An electrical overload on a component monitored by the CT.
• A faulty CT sensor or wiring.
• A sudden power surge or unstable power supply.

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 or recurs frequently, contact a qualified service technician to check the electrical load and CT sensor circuit.