Step Diagnostic Result Action
3 Is the fuse for the fan (F1)
defective?
Yes Go to step 4.
No Replace the fuse.
4 Does the fan reverse relay
operate correctly?
Yes Go to step 5.
No Replace the relay.
5 Does the fan turn by
hand? Disconnect the
electrical connector from
the fan and do a check
that it rotates freely by
hand.
Yes Go to step 6.
No Replace the fan.
6 Is there damage to the
harness?
Yes Repair or replace the
harness.
No Go to step 7.
7 Clean the connections. Is
there a 12 V supply to the
connector that the fan
connects to?
Yes Complete.
No Repair or replace the
harness.
The fan will not turn off
Step Diagnostic Result Action
1 Can the PTO speed be
detected?
NOTE: The PTO speed
must be detected to
activate the fan.
Yes Go to step 3.
No Go to step 2.
2 Is a fan relay in the ON
position when the fan is
set to OFF? Does the fan
stop when you remove a
relay?
Yes Replace the relay.
No Go to step 3.
3 Is there damage to the
harness?
Yes Repair or replace the
harness or fan.
No Refer to your approved
dealer.
5 Troubleshooting
84
SimplEbale
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