312000608 - K001 REV COUNTER NOT WORKING

With the engine running, the rev counter does not work or works irregularly.

		Test results
1	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Connect the Examiner diagnostic equipment to the diagnostic socket.Check that there are no faults in the instrument panel	Move on to Step 2	Presence of errors	Continue following the instructions for the diagnostic equipment
2	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Keeping the Examiner equipment connected to the diagnostic socket, check the operation of the display in active diagnosis	Move on to Step 3	Rev counter not working through stepping motor failure	Replace the instrument panel    Op. 5560B10 CONTROL PANEL - R+R
3	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Connect the Examiner diagnostic equipment to the diagnostic socket.Check that there are no faults at the engine management control unit	End of diagnosis	Presence of errors	Continue following the instructions for the diagnostic equipment