Derbi Rambla 250 Manual page 221

Cooling system
Electric fan check
•
Check via Axone if there is a "Fan re-
lay" error.
If there is such error:
•
check the relay and the cable harness
between fan relay and Pin 8 of the con-
trol unit.
If there is not such error:
•
activate by means of Axone.
If it does not work:
•
check relay, auxiliary fuses and their
cable harness.
If a malfunction is detected:
•
Remove the front central cover.
•
Disconnect the electric fan connector.
CAUTION
OPERATE WITH CAUTION SO AS NOT TO DAMAGE THE
RADIATOR FINS.
•
Connect the connector ends to the bat-
tery poles by means of two cables.
If the electric fan does not turn:
•
Rotate the fan manually and check that
the blades do not touch the support.
If rotation is free of obstacles:
•
Check the cable harnesses between
fan and relay.
If no malfunction is detected:
•
Check the resistance (~5 Ohm).
Replace the fan if the value measured is not ~5
Ohm.
ELECTRIC FAN REMOVAL
COOL SYS - 221