B1D35

Hazards switch connection circuit

B1D33

Flame interruption during normal operation

B1D32

Multiple flame interruption during heating cycle

B1D31

Flame detected prior to normal operation

B1D30

No start in test mode

B1D29

No start, even after restart attempt

B1D28

Fuel pre-heater circuit

B1D27

Coolant pump circuit / Heater coolant pump

B1D25

Dosing pump circuit / Fuel pump heater

B1D24

Glow plug circuit