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Resistance approximately 4 Ω (Indoor fan motor)

Resistance approximately 4 Ω — Indoor fan motor is normal

Mitsubishi Electric · Air Conditioning

What does Resistance approximately 4 Ω (Indoor fan motor) mean?

Measuring the resistance of the indoor fan motor and getting a reading of approximately 4 Ohms indicates that the motor coil is likely functioning correctly.

Common Causes

  • Normal operating resistance of the indoor fan motor coil.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    This reading suggests the fan motor is likely functional.

  2. 2

    If other symptoms indicate a fan issue, double-check connections.

  3. 3

    If the unit is still malfunctioning despite this reading, investigate other components.

Browse all codes in this manual (170)
Verified technical data. Last updated: April 2026

Related Faults

0.5-second ON / 0.5-second OFF blinkUpper lamp blinks 0.5-second ON/OFF - Miswiring or serial signal error00Normal operation - No error codes1 beep during error display mode1 beep during error display mode - Unit has an error (different code)
Source: Mitsubishi Electric Air Conditioning
Open Manual (Page 45)Search more codes in this manual