Error code

71 Discharge-temperature sensor fault

Fault

Fujitsu · LECA

Applies to 8 models
ASYG07LECA, ASYG09LECA, ASYG12LECA, ASYG14LECA, AOYG07LEC, AOYG09LEC, AOYG12LEC, AOYG14LEC

What this means

The discharge-temperature sensor has a fault.

When to call a technician

This fault involves refrigerant, pressure, or electrical work that must be handled by a certified technician under EU F-gas rules. Do not attempt to open the refrigerant circuit, access mains wiring, or adjust pressure components yourself. Contact a qualified installer or servicer for this one.

Using Claude Code or Meta Muse? Connect HeatPump AI and ask it about 71.