Error Code 4: Pressure switch lockout (Pressure switch not functional). Fail to close timeout / Fail to open timeout.
Error/Fault is: Pressure switch lockout (Pressure switch not functional). Fail to close timeout / Fail to open timeout.
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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