!
error Qilive
Error Code E2
Coil temperature sensor failures.
? What Causes This
Faulty or dirty coil temperature sensor connections.
✓ How to Fix It
Check and clean/reconnect the temperature sensor. If cleaning does not resolve, replace it.
Source: page 23 of the official manual
From the manual
This error code appears in:
Qilive Q 6884 Air Conditioner