
E X A 1 7 2 0
Model Name:
RJ–4100
E X A 1 7 2 0
Model Name:
RJ–4100
Mechanical System Faults
When Message is Displayed
1
• E075 Error Sensor Fault
This message indicates that condition
has occurred in which the origin can-
not be detected.
1-1
1-2
1-3
1-4
1-5
• Use the self-diagnostic “Sensor/Origin” and carry out the origin sensor test.
• the origin sensor assembly connection.
J205 (H ORIGN) on the main board.
→
Reconnect properly.
• Check Y cable connections
Are they inserted obliquely? Check.
J114 (HEAD1) on the main board and J201 (MAIN1) on the head board.
→
Insert them properly.
→
Replace the Y cable between J114 (HEAD1) on the main board and J201 (MAIN1) on
the head board.
• The origin sensor assembly may be faulty.
→
Replace it.
• The main board assembly may be damaged.
→
Replace it.
No.
Symptom
Sequence
Items to be Confirmed
When Message is Displayed
Mechanical System Faults
1360
1450
1140
1040
R E P
B A C
G O T O R e f . P a g e s
148
CAUTION:
Main board assembly connector J114 (HEAD1) and head board
assembly connector J201 (MAIN1) should be plugged in securely.
The main board may be damaged if power is applied when they are
not properly connected.