Indoor/Outdoor Communication Miswiring/Disconnection
Mitsubishi Electric · PAR-21MAA MA Remote Controller
Was bedeutet E6 ?
This error indicates a communication problem between indoor and outdoor units, specifically due to incorrect wiring (converse wiring) or a complete disconnection of the communication wire. This prevents the units from exchanging essential control signals, causing system failure.
Häufige Ursachen
- Communication wiring between indoor and outdoor units is loose, disconnected, or broken.
- Faulty communication interface board on either the indoor or outdoor unit.
- Excessive noise or interference on the communication line.
- Incorrect wiring gauge or length exceeding specifications.
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Verify the indoor/outdoor connecting wire terminations match the wiring diagram for correct connection, checking for converse wiring or disconnections.
- 2
Inspect the indoor/outdoor connecting wire and power supply for signs of electrical noise interference that could disrupt communication.
- 3
Cycle power to the unit (turn off, then on again) to re-check for the error.