⚠
warning Fujitsu
Error Code Air flow is weak or stops
Ventilation suddenly reduces strength or ceases temporarily.
? What Causes This
Fan speed adjustments during operation, automatic defrost operations interrupting normal ventilation processes in heat mode.
✓ How to Fix It
Observe the air conditioner’s behavior and ensure it follows a known phase of adjustment; if unsure re-set unit to previous condition.
Source: page 15 of the official manual
From the manual
This error code appears in:
Fujitsu Inverter Halcyon