Kohler 26RCAL LossOfComAPM
What it means: The Automatic Paralleling Module was detected on RBUS but has stopped communicating.
What to do
Check the APM is plugged in, the primary controller is powered, and the battery connections are good. Check RBUS communication connections for intermittent wiring. Contact an authorized dealer for service.
When to call service
The manual directs you to an authorized Kohler service dealer for this code if the steps above do not clear it. A warning: the unit may keep running, but the cause needs attention.
Source: official Kohler manual, page 39, read . Summary of the manual, not a reproduction.
Models this manual covers
Kohler 26RCAL.
Other 26RCAL codes
Questions
What does Kohler LossOfComAPM mean?
The Automatic Paralleling Module was detected on RBUS but has stopped communicating. (Kohler manual for the 26RCAL, page 39.)
How do I fix Kohler LossOfComAPM?
Check the APM is plugged in, the primary controller is powered, and the battery connections are good. Check RBUS communication connections for intermittent wiring. Contact an authorized dealer for service. The manual says to contact an authorized service dealer if it continues.
Fuel, gas and electrical work on a standby generator is for qualified technicians; follow the safety section of the manual. All 40 26RCAL codes →