Firman Zero E (E201001) code 09
What it means: The system has detected an over-voltage condition.
What to do
Disconnect the input power source.
When to call service
The manual lists steps the owner can take. If the code comes back after them, or you are unsure, contact an authorized service dealer. A warning: the unit may keep running, but the cause needs attention.
Source: official Firman manual, page 21, read . Summary of the manual, not a reproduction.
Models this manual covers
Other Zero E (E201001) codes
Questions
What does Firman code 09 mean?
The system has detected an over-voltage condition. (Firman manual for the Zero E (E201001), page 21.)
How do I fix Firman code 09?
Disconnect the input power source.
Fuel, gas and electrical work on a power station is for qualified technicians; follow the safety section of the manual. All 18 Zero E (E201001) codes →