SETSCREW 4N2708 - Caterpillar

Conditions Which Generate This Code:The Electronic Control Module (ECM) detects all of the following conditions:
The engine has been running more than three minutes.
Air inlet temperature is greater than 105 °C (221.0 °F) for more than four seconds.
172-03 is not active.
172-04 is not active.System Response:The ECM will log the warning.
Low power
There may be a problem with the aftercooler.
There may be a problem with the air inlet temperature sensor.Test Step 1. Check for Diagnostic Codes
Turn the Engine Control Switch (ECS) to the OFF/RESET position.
Connect the Caterpillar Electronic Technician (ET) to the service tool connector.
Turn the ECS to the ON position. The engine should be off.
Check for any active diagnostic codes or logged diagnostic codes.Expected Result:There are no diagnostic codes that are present.Results:
OK - Proceed to Test Step 2.
Not OK - Repair: Repair the diagnostic codes that are present. Refer to the appropriate topic in the "Troubleshooting With a Diagnostic Code" section of this manual.Ensure that the repair eliminates the problem. Stop.Test Step 2. Perform a Check of the Aftercooler
Perform a check of the aftercooler. Refer to the appropriate topic in Testing and Adjusting for possible causes.Expected Result:There are no problems with the aftercooler.Results:
OK - There may be an intermittent problem.Repair: Monitor the operation of the engine.Repair the problem.Ensure that the repair eliminates the problem. Stop.
Not OK - Repair: Repair the problem.Ensure that the repair eliminates the problem. Stop.