| | Results
of the tests |
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Connect
diagnostic equipment (Examiner or other instruments) to the diagnostic
socket. Check that there are no faults in the combustion control
unit |
Continue to Step
2
| An error is detected in
the control unit | Continue following the instructions for the diagnostic
equipment |
| Lack of dialogue with the control unit |
Restore the connection between the combustion control
unit and the diagnostic connector (
See E6015 ADDITIONAL HEATER
)
|
| 2 | CHECK FUEL PUMP | All OK | Problems met | Operation |
|---|
|
Check
operation of fuel pump:
See Test 5020MB Check operation of pump dispensing/delivering fuel to supplementary stand-alone heater |
Continue to Step
3
| Fuel pump faulty |
Replace the fuel pump
Op. 5020M30 |
| 3 | CHECK PLUG | All OK | Problems met | Operation |
|---|
|
Check
operation of plug:
See Test 5020MC Check additional stand-alone heater plug |
Continue to Step
4
| Plug faulty |
Replace plug burner kit
Op. 5020M14 |
| 4 | CHECK COMBUSTION AIR FAN | All OK | Problems met | Operation |
|---|
|
Check
operation of combustion air fan:
See Test 5020MD Check supplementary stand-alone heater fuel air fan |
Continue to Step
5
| Fan fault |
Replace fan
Op. 5020M14 |
| 5 | HECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | Fault persists | Search for the
fault starting from another symptom' |