P1 🟡 Repair Required

Mitsubishi Error Code P1: Intake Sensor Error

⚠️ Your Mitsubishi HVAC system has detected an issue with the intake sensor. It's safe to continue using the system, but you should schedule a professional repair soon.

How to Fix Mitsubishi Code P1

  1. Check and clean the intake area to ensure it's not blocked
  2. Verify that the system settings are correct
  3. If the system is still not functioning properly, contact a professional HVAC technician
Type: led blink count Display: indoor unit led

What Does Mitsubishi Error Code P1 Mean?

The P1 error code on your Mitsubishi HVAC system indicates a problem with the intake sensor. This sensor measures the temperature and pressure of the air entering your system. If it's not working properly, your system may not function as efficiently as it should. While this isn't an immediate safety hazard, it's important to address the issue to prevent further damage or higher energy bills.

Common Causes of Mitsubishi Code P1

  • Wiring issues or damaged sensor
  • Dirty or obstructed intake
  • Faulty control board
  • Incorrect system settings

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 P1

Intake Sensor OEM: 53000-31000
Control Board OEM: 53000-31001