!
error Costway
Error Code E2
Ambient temperature is too high or too low.
? What Causes This
The operating environment temperature is outside the unit's acceptable range.
✓ How to Fix It
Move the dehumidifier to a location with appropriate ambient temperature within the manufacturer's recommended range.
Source: page 1 of the official manual
From the manual
This error code appears in:
Costway Dehumidifier