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Zephir
Air Conditioner
Data independently verified by Elite B2B Technicians
Diagnostic Complet

Error Code E4 Zephir

Symptom / Description

Outdoor Coil Sensor Fault

Root Cause

The outdoor condenser coil temperature sensor (T3) is open or short-circuited.

Repair Instructions

UNLOCKED

Check the outdoor sensor's connection on the main board. Test and replace the sensor if necessary.

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