Operation Manual

RUNRACE : Service & Maintenance Manual - rev. 2.0
Page 6.42
6.13. THE LUBRICATION CIRCUIT DOES NOT WORK
The machine displays this error if the lubrication system is not working or if the CPU board fails to
provide the necessary control signal.
THE LUBRICATION CIRCUIT
DOES NOT WORK
Check whether the relay of the
pump interface board is
working
YES
NO
1
2
Replace the distibutor
and the oil tube
Disconnect the distributor and
check whether the oil comes
out from the pump
Replace the pump
YES
NO
Check whether the pump
command signal at the input of
the pump interface board is
correct
Replace the pump
interface board
YES
YES
NO
Check whether the pump
command signal at the free
connector CN3 is correct
Replace cable RN-4
Check whether the pump
command signal at the output
of the CPU board is correct
Replace cable RN-3
NO
YES
Replace CPU board
NO
3
4
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