Brother HL-2600CN Service Manual page 322

Error Code
Coolinf Fan OZ (OZFAN)
Concerned Part
Confirm the connection of a fan motor connector.
Is ECN5 of IOD2 properly connected with a connector of the fan motor ?
Is ECN1 of IOD2 properly connected with 12CN of MCTL PWB 2 ?
Check the voltage (OZFANON-P)
Is the voltage between ECN5-1 and 2 to be a trailing edge ?
Is the voltage between ECN1-19 and ECN2-8 to be a trailing edge ?
Is F2 error cleared ?
Job is complete.
F2
YES
NO
NO
YES
NO
Connect them properly.
Is F2 error cleared ?
NO
YES
Replace the fan motor (OZFAN).
YES
Replace the IOD2 PWB 2.
NO
Replace the MCTL PWB 2.
IOD2
MCTL
12CN ECN1 ECN5
19 OZFANON-P
19
+24V-1
ECN2
1
SGND
8
YES
Job is complete.
Cooling Fan OZ
OZFANON-P
1
OZ
PGND
2
FAN
OZFANERR
3