Tag: high-pressure-switch-open

All the articles with the tag "high-pressure-switch-open".

• Fujitsu Mini Split 14:1 Error Code — High Pressure Fix

  21 May, 2026

  Fujitsu 14:1 means the outdoor high-pressure switch opened — head pressure climbed past the trip point (around 580-620 PSI on R-410A platforms) and the...