E6 🟡 Repair Required

Mitsubishi Error Code E6: Indoor/Outdoor Communication Error

⚠️ Your Mitsubishi HVAC system has encountered an indoor/outdoor communication error. It's safe to operate, but a professional repair is needed.

How to Fix Mitsubishi Code E6

  1. Check for any visible damage to the communication wire
  2. Ensure the outdoor unit's fan is running
  3. Contact a professional HVAC technician for repair
Type: led blink count Display: indoor unit led

What Does Mitsubishi Error Code E6 Mean?

The E6 error on your Mitsubishi HVAC system indicates a communication issue between the indoor and outdoor units. This could be due to a faulty communication wire, a problem with the control board, or an issue with the outdoor unit's fan. The system will continue to operate, but some features may be limited.

Common Causes of Mitsubishi Code E6

  • Faulty communication wire
  • Problem with the outdoor unit's control board
  • Issue with the outdoor unit's fan

Applicable Mitsubishi Models

City Multi (VRF)⚡City Multi (Y)⚡Diamond (PJ)⚡Diamond Plus⚡Diamond Series⚡Ducted Systems⚡M-Series⚡MSZ⚡MSZ Series⚡MSZ-AP⚡MSZ-AP Series⚡MSZ-AP5 Series⚡MSZ-AS⚡MSZ-FD⚡MSZ-FE⚡MSZ-FS⚡MSZ-FS/FD Series⚡MSZ-FT⚡MSZ-FY⚡MSZ-GE⚡MSZ-LV⚡MUZ-FE Series⚡P-Series⚡PUMA⚡PUMY⚡Puff (P-Series)⚡
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Replacement Parts for Mitsubishi Mini-Split Code E6

Communication Wire
Outdoor Unit Control Board OEM: 53005-3000