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E16

E16 - Faulty indoor fan motor

MHI · R410A Systems

What does E16 mean?

This code indicates a malfunction of the indoor unit's fan motor, which can prevent proper airflow and heating/cooling.

Common Causes

  • Indoor fan motor failure.
  • Obstruction preventing the fan from spinning.
  • Capacitor failure associated with the fan motor.
  • Problem with the fan motor's electrical supply or control board.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the power to the indoor unit at the circuit breaker.

  2. 2

    Check if anything is physically blocking the indoor fan blade from turning.

  3. 3

    Attempt to gently spin the fan blade by hand to check for resistance (ensure power is off).

  4. 4

    If the fan does not spin freely or the error persists, contact a qualified technician to inspect or replace the fan motor.

Browse all codes in this manual (58)
Verified technical data. Last updated: April 2026

Related Faults

E0E0 - Transmitting/receiving signal error in indoor unitE12E12 - Address setting conflict or auto address failureE14E14 - 3 flashes - Master/slave system wiring or SW settings error
Source: MHI R410A Systems
Open Manual (Page 3)Search more codes in this manual