Brivis Error Code 43 Overheat Cooldown: The condition that has forced the overheat cool down process to be initiated has been removed with the remaining cool down process to be completed.
For Heater Repair Tech Only
Reason: This error will be displayed during the 60 second maximum fan operation but is always logged following an over temperature error. Service Check List: Check the error log to determine what over heat error has occurred. Refer to Check List of the following error code for diagnosis: i.e. Error Code: 40 OHEAT_R-A, Error Code: 41 OHEAT_S-A, Error Code: 42 OHEAT_THM. Over heat switches Supply Air Overheat Switch Opening 110°±3.5°C Closing 97°±4.5°C.
• Check there are sufficient outlets open on the duct system.
• Check that the floor/ceiling register and baffle is fully open and not restricting air movement.
• Check the return air filter (if fitted) is sized correctly, is clean and no obstructions have occurred (or been placed in front of) the return air grille.