8.4. Search and elimination of malfunctions
Malfunction
|
Probable causes
|
Elimination method
|
The engine is not started at a temperature below 50 °C | Unreliable connection in the socket or damage of a wire | Repair or replace an electrical wiring |
Damage of the sensor of temperature of cooling liquid | Replace the sensor | |
Damage of a glow plug | Replace a glow plug | |
Damage of the control unit of system of preliminary heating | Check the control unit and, if necessary, replace it | |
After the first flash the engine stops or unstably idles at a temperature below 50 °C | Unreliable connection in the socket or damage of a wire | Repair or replace an electrical wiring |
Damage of a glow plug | Replace a glow plug | |
Damage of the relay of candles of an incandescence | Replace the relay of candles of an incandescence | |
Damage of the control unit of system of preliminary heating | Check the control unit and, if necessary, replace it | |
The control lamp of yellow color does not burn | The lamp fused | Replace a lamp |
Unreliable connection in the socket or damage of a wire | Repair or replace an electrical wiring | |
Short circuit of an electrical wiring | Repair or replace an electrical wiring | |
Damage of the control unit of system of preliminary heating | Check the control unit and, if necessary, replace it |