Bonaire Error Code 21

Error Code 21: Overheat Lockout – number of Overheat events caused by: Overheat switch activation or thermistor signal too high in the last 10 heat cycles exceeded Hi Limit Lock Count.

Bonaire Fault Code 21

Error/Fault is: Overheat Lockout – number of Overheat events caused by: Overheat switch activation or thermistor signal too high in the last 10 heat cycles exceeded Hi Limit Lock Count.


Bonaire Units

Error codes can appear on the following units – Bonaire MB3, Bonaire MB4, Bonaire MB5, Boniare MB6, Bonaire Rhino, Bonaire Navigator + older Bonaire Ducted Heaters/Heaters.

SKU: 324-1-1 Category: Tags: ,