2HJ/2HK
1-4-29
1-4-4
Electric problems
Problem
Causes
Check procedures/corrective measures
(1) "Close top cover"
display is not
cancelled to
closing the top
cover.
Right edge of the top cover
floating, it is not closed
completely.
Close the top cover securely.
Defective top cover switch
2.
Replace the top cover switch 2.
Defective top cover/paper
feed unit switch (SW701) of
the sensor PWB (A0001).
Replace the sensor PWB (A0001).
Defective harness (S03195)
between engine controller
PWB (A0004) and top cover
switch 2 or poor contact of
the connector terminals.
Check the continuity of the harness (S03195), check the connec-
tion YC11 connector of the engine controller PWB (A0004), if
there is trouble, remedy or replace.
Malfunctioning interlock rod
that interfaces between the
top cover and the top cover/
paper feed unit switch
(SW701).
Check to see if the interlock rod malfunctions. If it malfunctions,
repair it.
Defective engine controller
PWB (A0004).
Replace the engine controller PWB (A0004). See page 1-5-41.
Defective harness (S03197)
between engine controller
PWB (A0004) and sensor
PWB (A0001) or poor con-
tact of the connector termi-
nals.
Check the continuity of the harness (S03197), check the connec-
tion YC2 connector of the engine controller PWB (A0004), check
the connection YC701 and YC702 connectors of the sensor PWB
(A0001), if there is trouble, remedy or replace.
(2) "Close side cover"
display is not
cancelled to
closing the top
cover.
Defective side cover switch
(SW702) of the sensor
PWB (A0001).
Replace the sensor PWB (A0001).
The actuator of the side
cover switch (SW702) of
the sensor PWB (A0001) is
bent.
Check the bending of the actuator of the side cover switch, if there
is trouble, remedy or replace.
Defective sensor PWB
(A0001).
Replace the sensor PWB (A0001).
Defective engine controller
PWB (A0004).
Replace the engine controller PWB (A0004). See page 1-5-41.
Defective harness (S03197)
between engine controller
PWB (A0004) and sensor
PWB (A0001) or poor con-
tact of the connector termi-
nals.
Check the continuity of the harness (S03197), check the connec-
tion YC2 connector of the engine controller PWB (A0004), check
the connection YC701 and YC702 connectors of the sensor PWB
(A0001), if there is trouble, remedy or replace.
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