Brother HL-2600CN Service Manual page 321

Error Code
SL2 PS Fan
Concerned Part
Confirm the connection of a fan motor connector.
Is DCN18 of IOD1 properly connected with a connector of the fan motor ?
Is DCN1 of IOD1 properly connected with 11CN of MCTL PWB 2?
Check the voltage (CTFANON-P)
Is the voltage between DCN18-1 and 2 to be a trailing edge ?
Is the voltage between DCN1-33 and 44 to be a trailing edge ?
Is F0 error cleared ?
Job is complete.
F0
YES
NO
NO
YES
NO
Connect them properly.
Is F0 error cleared ?
NO
YES
Replace the fan motor.
YES
Replace the IOD1 PWB 2.
NO
Replace the MCTL PWB 2.
IOD1
MCTL
11CN DCN1 DCN18
PGND
44 44
CTFANON-P
33 33
DCN2
+24V-1
17
PGND
25
YES
Job is complete.
SL2 PS Fan
CTFANON-P
1
CTL
PGND
2
FAN
CTFANERR
3