CLAAS 7780h – Claas Eng A15 Engine Module: Turbocharger Exit Temperature Averagely High

The Turbocharger exit temperature is averagely high, causing the ENG (A15) engine calculator to reduce engine power by 20% per minute until it reaches 50% of its nominal power. Power is recovered at 20% per minute once the issue is resolved.

1. 1

   The following error codes: Id7770h, Id7771h, Id7778h, Id7779h, Id777Ah, Id777Bh, Id777Ch

2. 2

   The air filter

3. 3

   The engine fan

1. 1

   Check for related error codes

   Verify if any of the listed error codes (Id7770h, Id7771h, Id7778h, Id7779h, Id777Ah, Id777Bh, Id777Ch) are present.

2. 2

   Inspect the air filter

   Ensure the air filter is clean and not obstructed, as a clogged air filter can contribute to high turbocharger exit temperatures.

3. 3

   Inspect the engine fan

   Check the engine fan for proper operation and ensure it is not damaged or obstructed, as it plays a role in cooling the engine and turbocharger.