CodeRegistry
Brands
  1. Home
  2. Mitsubishi Electric
  3. PUMY Air Conditioners
  4. 7100
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

7100

7100 - Total capacity error

Mitsubishi Electric · PUMY Air Conditioners

What does 7100 mean?

An error has been detected regarding the total capacity of the connected indoor units, which causes the air conditioning system to automatically stop operating.

Common Causes

  • Miscalculation or incorrect setting of the total capacity for the system's indoor units.
  • Mismatch between outdoor unit capacity and combined indoor unit capacities.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Note the 7100 code displayed on your remote controller or the outdoor unit's LED.

  2. 2

    Turn off the main power supply to the outdoor unit at the circuit breaker.

  3. 3

    Wait at least 1 minute, then turn the main power supply back on.

  4. 4

    If the error persists, contact a qualified service technician to verify the total capacity settings and the compatibility of connected units.

Browse all codes in this manual (93)
Verified technical data. Last updated: April 2026

Related Faults

04030403 - Serial communication error11021102 — Compressor temperature trouble13001300 - Low pressure error
Source: Mitsubishi Electric PUMY Air Conditioners
Open Manual (Page 38)Search more codes in this manual