E7
Indoor/Outdoor Communication Error (Signal Transmitting)
Description
The indoor unit detected a signal-transmitting error while communicating with the outdoor unit, often caused by wiring faults or electrical noise.
Appliance Error Codes Details
Additional Troubleshooting
1. Turn off power to both indoor and outdoor units, wait, then turn back on
2. Check that the indoor/outdoor connecting wire is correctly and securely connected
3. Check for sources of electrical noise near the connecting wire or power supply
4. Contact service if the error persists
2. Check that the indoor/outdoor connecting wire is correctly and securely connected
3. Check for sources of electrical noise near the connecting wire or power supply
4. Contact service if the error persists
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Author:
Pavel Volkov
Created:
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