Error E202 / Communication error — Indoor and outdoor unit communication lost

Was bedeutet E202 ?

The indoor and outdoor units have lost communication for at least one minute, leading to an E202 error code and stopping operation. The wired remote controller displays 'Communication error'.

• Problem with the communication connection between indoor and outdoor units.
• Issue with the power line or communication cable connection status.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Check all communication cables connecting the indoor and outdoor units for secure connections and damage.

2. 2

   Verify the power line connections to both indoor and outdoor units.

3. 3

   Ensure all wiring is correctly installed according to the installation manual.

4. 4

   Turn off the main power breaker for the air conditioner for a few minutes, then restore power.