Firman WH03242 CO Alert Carbon Monoxide (CO) Shutdown Indicator Light
What it means: The engine shut down because carbon monoxide accumulated around the generator. The red CO Alert light indicates this shutdown.
What to do
Before restarting, move the generator to an open outdoor area at least 20 ft downwind from occupied spaces, with exhaust pointed away. Air out the premises before reoccupying. If you feel sick, dizzy or weak, get fresh air and call emergency services.
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. The unit stops or will not start until the cause is cleared.
Source: official Firman manual, page 28, read . Summary of the manual, not a reproduction.
Models this manual covers
Firman WH03242, Firman T09371, Firman H07553, Firman W03083, Firman W01781, Firman WH03342, Firman T08072, Firman W03382, Firman WH03562OF, Firman WH03042, Firman WH03344, Firman WT06073, Firman W03386, Firman H08052, Firman WT06375, Firman WT03571, Firman W03663OF, Firman T09376, Firman H03654, Firman W02081, Firman P09305, Firman T08273, Firman T04472, Firman W01682, Firman H03655, Firman P03632, Firman W01785, Firman P08013, Firman W01687, Firman P03504, Firman W01782, Firman P06702, Firman W01783.
Other WH03242 codes
Questions
What does Firman CO Alert Carbon Monoxide (CO) Shutdown Indicator Light mean?
The engine shut down because carbon monoxide accumulated around the generator. The red CO Alert light indicates this shutdown. (Firman manual for the WH03242, page 28.)
How do I fix Firman CO Alert Carbon Monoxide (CO) Shutdown Indicator Light?
Before restarting, move the generator to an open outdoor area at least 20 ft downwind from occupied spaces, with exhaust pointed away. Air out the premises before reoccupying. If you feel sick, dizzy or weak, get fresh air and call emergency services.
Fuel, gas and electrical work on a portable / inverter generator is for qualified technicians; follow the safety section of the manual. All 13 WH03242 codes →