U5 🟡 Repair Required

Mitsubishi Error Code U5: Abnormal Condenser Temp

⚠️ Your Mitsubishi HVAC system has detected an abnormal condenser temperature, which could lead to system damage if not addressed.

How to Fix Mitsubishi Code U5

  1. Check and clean the outdoor unit if accessible and safe to do so.
  2. If the outdoor unit is dirty, turn off the system and contact a professional HVAC technician.
  3. If you suspect low refrigerant levels, turn off the system immediately and contact a professional.
Type: led blink count Display: indoor unit led

What Does Mitsubishi Error Code U5 Mean?

The U5 error code on your Mitsubishi HVAC system indicates that the condenser temperature is higher than normal. This could be due to a few reasons, such as a dirty condenser coil, a faulty temperature sensor, or a problem with the refrigerant system. It's important to address this issue promptly to prevent further damage to your system.

Common Causes of Mitsubishi Code U5

  • Dirty condenser coil
  • Faulty temperature sensor
  • Low refrigerant levels

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 U5

Condenser coil
Temperature sensor OEM: Mitsubishi 41000-1000
Refrigerant