New Holland 3994: DOC Intake Temperature Higher Than 800 deg C Red

The system has detected that the DOC (Diesel Oxidation Catalyst) intake temperature has exceeded 800 degrees Celsius. This condition may indicate an over-temperature event in the exhaust system, which could lead to damage or reduced efficiency of the DOC.

1. 1

   The temperature sensor located at the DOC intake

2. 2

   The exhaust system for blockages or restrictions

3. 3

   The engine's operating conditions and load

1. 1

   Verify the temperature reading

   Confirm the temperature reading using a calibrated temperature measurement device at the DOC intake.

2. 2

   Inspect the exhaust system

   Check for any blockages, damage, or restrictions in the exhaust system that could cause excessive temperature buildup.

3. 3

   Check engine performance

   Review engine performance parameters to ensure it is operating within normal limits and not producing excessive exhaust temperatures.