Fujitsu · 410A Multi-Zone Mini-Split Systems
The manual auto switch on the indoor unit is detected as being 'on' (pressed) for 60 or more consecutive seconds.
Click steps to track your progress.
Locate the manual auto switch on your indoor unit and check if it is physically stuck or jammed.
Gently try to release the switch if it appears stuck.
Reset the power to the unit by cycling its circuit breaker.
If the issue persists, the switch may be defective and require professional service.