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.
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.
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