Here is an illustration show you guide on how to solve Scania truck auxiliary heater system overheating error ATA 114.
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Overheating
Error identification
The difference in temperature between the temperature sensor and overheat sensor is too great.
Cause
Blocked air supply to the auxiliary heater, cold air.
Blocked air vent from the auxiliary heater, heated air.
Faulty flame monitor or control unit.
Check the fuel supply.
Notes
Action
Check the fuel supply.
Check that the pipes for air supply or air venting are not blocked.
Check the flame monitor.
Check the overheat sensor.
Instructions for the checking procedures are found in the work description in Multi under 18-90 “H13, ATA Auxiliary heater – air”.
For more information about Scania truck,please refer to:Scania Trouble Repair.