Test results

 

1

 

COMPONENT CONCERNED

 

ELECTRICAL CHECKS

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

   

Differential pressure sensor wiring

 

Check the condition/presence of oxide at the connections

 

Go to Step 2

 

Connections not intact/connections oxidised

 

Restore the connections to correct operation

 

2

 

COMPONENT CONCERNED

 

ELECTRICAL CONNECTION CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

   

Differential pressure sensor wiring

 

Check the wiring continuity

 

Go to Step 3

 

Faults in the continuity of the wiring

 

Restore the correct continuity for the wiring

 

3

 

COMPONENT CONCERNED

 

ELECTRICAL CONNECTION CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

   

Differential pressure sensor wiring

 

Check the correct wiring insulation

 

Go to Step 4

 

Wiring insulation not correct

 

Restore the correct insulation of the wiring

 

4

 

COMPONENT CONCERNED

 

DIFFERENTIAL PRESSURE SENSOR OPERATION CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

   

Differential pressure sensor

 

Check correct operation of the differential pressure sensor

 

End of diagnosis

 

Differential pressure sensor incorrectly calibrated

 

Replace the differential pressure sensor

Op. 1080B82