Description:

This diagnostic trouble code is generated if the control software detects that the temperature of the roof control unit is above 115°C (239°F).

Reaction:

When this error is detected, the control software may experience limited or no functionality.

Recommendations:

• Inspect Ventilation System:
  • Check the ventilation system around the roof control unit for blockages or malfunctions. Ensure that vents and fans are working properly and are not obstructed.
• Improve Cooling:
  • If possible, improve the cooling around the roof control unit by adding additional cooling fans or heat sinks.
• Check for External Heat Sources:
  • Ensure that no external heat sources are contributing to the high temperature of the roof control unit.
• Monitor Environmental Conditions:
  • Verify that the environmental conditions in which the equipment is operating are within the recommended range for temperature and humidity.

Note:

High temperatures can severely damage the roof control unit and its associated components. Regular maintenance and monitoring of the cooling system are essential to prevent overheating.