Solis Inverter Warning: Fan Alarm
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Solis warning message: Internal fan fault
The Solis warning message Fan Alarm usually means the inverter has detected a fault with its internal fan. The fan helps manage inverter temperature and protect internal components from heat stress.
This warning may appear as:
- Fan Alarm
When the fan is not operating properly, the inverter may run hotter than normal, reduce output or trigger further temperature-related protection messages.
This type of warning may be linked to a failed fan, blocked airflow, dust buildup, debris, fan motor issues, inverter age or another cooling-related fault.
Let e-Solar check your inverter and cooling system
If the warning appears once and clears after a restart, the fan may have recovered from a temporary issue.
If the Fan Alarm warning keeps returning, it is worth having the system checked. Our Perth-based solar team can inspect the inverter and help determine whether the issue is linked to fan operation, ventilation, blocked airflow, dust buildup or internal cooling components.
Contact e-Solar and let us know:
- The exact error code on the screen or app
- When the code appears
- Whether your solar production has dropped
- Your inverter model, if you know it
Do not open the inverter or attempt to clean or replace the fan yourself. If the warning is persistent, a qualified technician may need to assess fan operation and cooling performance before the inverter is placed under further heat stress.
Get In Touch Today
Not sure what the error code means? Send us a quick message with a photo of your inverter screen. We’ll help identify the issue and guide you towards the safest next step.
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Solis Inverter Repairs and Fault Support
We understand that every solar system is different, which is why our repair and fault-finding services cover a wide range of Solis inverter models. If your inverter is showing the warning message ‘Fan Alarm’, our experienced technicians can help determine whether the issue is linked to grid voltage, inverter settings, site wiring or wider network conditions.
With over 22 years supporting Perth solar systems, e-Solar has seen all kinds of inverter faults and performance issues. We’ll assess your system safely, explain what the code means, and recommend the right next step to help get your solar running properly again.
Trust e-Solar for reliable Solis inverter support backed by local experience, honest advice and long-term solar care.