info Fujitsu

Status Mist or steam is emitted

Thin mist or visible steam appears from the indoor unit during operation.

? What Causes This

Operation phase condensation, defrost mode on outdoor unit, temperature differences causing immediate cooling effects.

What This Means

Ensure proper use and settings of the device; if conditions indicate a fault other than normal operation, contact service personnel.

Source: page 15 of the official manual

From the manual

Manual page 15 — Fujitsu error Mist or steam is emitted

This error code appears in:

Fujitsu Inverter Halcyon