Code 235 - Heat block or exhaust gas temperature limiter triggered

What does 235 mean?

A temperature limiter, either for the heat block or exhaust gas, has triggered, indicating overheating or an issue with exhaust gases. This is a blocking fault.

• Overheating of the heat block
• Excessive exhaust gas temperature
• Faulty temperature limiter or connection cable

Click steps to track your progress.

1. 1

   Check the heat block temperature limiter and its connection cable for interruptions.

2. 2

   Check the exhaust gas temperature limiter and its connection cable for interruptions.

3. 3

   If a limiter is faulty or its cable is damaged, replace the component.