Left/Upper lamp blinks 14+ times with a 2.5-second pause — Other outdoor unit abnormality

What does Left/Upper lamp blinks 14-time blink or more, 2.5-second OFF mean?

An abnormality has been detected that does not fall into the other specific categories. This requires further investigation.

• Unspecified outdoor unit abnormality
• Issue with stop valve
• Issue with 4-way valve

Click steps to track your progress.

1. 1

   Check the stop valve and 4-way valve on the outdoor unit.

2. 2

   Use the failure mode recall function for the outdoor unit to get more details (refer to outdoor unit service manual).

3. 3

   Contact a qualified service technician for diagnosis.