Introduction:
The auxiliary heater system in Scania trucks plays a crucial role in maintaining optimum temperature levels inside the vehicle. However, at times, the system may encounter an overheat sensor error, leading to potential issues. In this article, we will guide you through the troubleshooting process to solve the Scania truck auxiliary heater system ATA 112 overheat sensor problem.
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Understanding the Overheat Sensor Error:
When the overheat sensor detects a temperature exceeding 120°C for ATA 1 or 150°C for ATA 2, it triggers an error identification. This error can stem from various factors, such as blocked air supply or vent, fuel supply faults, or even a malfunctioning overheat sensor itself.
Troubleshooting Steps:
To resolve the overheat sensor issue in your Scania truck’s auxiliary heater system, follow these steps:
1. Check for Blocked Air Supply and Vent:
Inspect the pipes responsible for the auxiliary heater air supply and air venting. Ensure that there are no obstructions or blockages that could hinder the airflow. Clear any debris or foreign objects that may impede the air circulation.
2. Examine the Fuel Supply:
Inspect the fuel supply system to ensure it is functioning correctly. Check for any fuel blockages or leaks that could affect the proper functioning of the auxiliary heater. Address any fuel supply issues promptly.
3. Verify the Overheat Sensor:
Inspect the overheat sensor for any visible signs of damage or malfunction. If necessary, consult the Scania truck’s work description in Multi under 18-90 “H13, ATA Auxiliary heater – air” for specific instructions on checking the overheat sensor. Replace the sensor if it is found to be faulty.
Conclusion:
By carefully following the troubleshooting steps outlined above, you should be able to identify and resolve the Scania truck auxiliary heater system ATA 112 overheat sensor issue. Remember to check for blocked air supply and vent, inspect the fuel supply, and verify the overheat sensor. Regular maintenance and prompt action can help ensure the efficient functioning of your Scania truck’s auxiliary heater system, providing optimal comfort for both the driver and passengers.
For more information about Scania truck,please refer to:Scania Trouble Repair.
