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6834

6834 - MA communication receive error (MA Remote controller only)

Mitsubishi Electric · PUMY Air Conditioners

What does 6834 mean?

The MA remote controller is experiencing a communication receive error. This indicates a problem receiving signals from the system, causing the air conditioning system to automatically stop operating.

Common Causes

  • Wiring issue for the MA remote controller.
  • Faulty MA remote controller.
  • Interference or break on the communication line.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Note the 6834 code displayed on your remote controller.

  2. 2

    Turn off the main power supply to the system at the circuit breaker.

  3. 3

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

  4. 4

    If the error persists, contact a qualified service technician to check the MA remote controller communication lines and device.

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