Remote controller check displays E3, 6832 - Noise on transmission line or faulty unit

What does E3 (6832) (Remote Controller Check) mean?

During the Mitsubishi Electric PUMY Air Conditioner remote controller check, error E3 (6832) indicates that there is electrical noise interfering with the transmission line, or that the indoor unit or another remote controller connected to the system is faulty.

• External electrical noise interference on the communication transmission line
• Faulty indoor unit connected to the system
• Another remote controller connected to the system is malfunctioning

Click steps to track your progress.

1. 1

   Note the error code E3, 6832 from the remote controller check result screen.

2. 2

   Power off the Mitsubishi Electric PUMY Air Conditioner system at the main electrical breaker.

3. 3

   Wait for at least 30 seconds, then restore power to the system.

4. 4

   If the error persists, contact a qualified service technician to check the transmission line for external noise interference and to diagnose other connected remote controllers or indoor units.