C8302 – (bizhub 364e/284e/224e)

Contents

Trouble type	Cooling fan trouble
Trouble code	C8302
Rank	B
Detection timing	• <When DF-624 is installed> The lock signal continues to detect H during a given time while the DF cooling fan motor (FM1) is spinning. • <When DF-701 is installed> The lock signal continues to detect L during a given time while the cooling fan (FM1) is during halts.
Trouble isolation	–
Relevant electrical parts	• DF cooling fan motor (FM1) • DF control board (DFCB)

 (2)ProcedureWhen DF-624 is installed

Step	Action	Control signal	Location of electrical components
1	Check the connector between FM1-DFCB J16 for proper connection and correct as necessary.	–	–
2	Check the fan for possible overload and correct as necessary.	–	–
3	FM1 operation check	DFCB J16-3 (ON)	DF-624 3-B
4	Replace FM1 (Part# 9J06M10000)	–	–
5	DFCB F6 conduction check	–	–
6	Replace DFCB (Part# A3CFPP5Q00)	–	–

• Link to the wiring diagram (N.2.2 DF-624)
• Link to the layout drawings for related parts by each trouble code (S.78.1 DF-624)

When DF-701 is installed

Step	Action	Control signal	Location of electrical components
1	Check the connector between FM1-DFCB J16 for proper connection and correct as necessary.	–	–
2	Check the fan for possible overload and correct as necessary.	–	–
3	FM1 operation check	DFCB J16-3 (ON)	DF-701 7-G
4	Replace FM1 (Part# 9J06M10000)	–	–
5	DFCB F6 conduction check	–	–
6	Replace DFCB (Part# A3CEPP4900)	–	–

• Link to the wiring diagram (N.2.1 DF-701)
• Link to the layout drawings for related parts by each trouble code (S.78.2 DF-701)

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.

K.3.12.3 (Link to the Field Service Manual)