E X A 1 7 2 0
Model Name: Rockhopper-46/62
E X A 1 7 2 0
Model Name: Rockhopper-46/62
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.
• Check the origin sensor assembly connection.
J205 (H ORIGN) on the head board assembly.
→
Reconnect properly.
• Check Y cable connections.
Check that they are not inserted obliquely.
J111 (HEAD1) on the main board assembly and J201 (MAIN1) on the head board assem-
bly.
→
Insert them properly.
→
Replace the Y cable between J111 (HEAD1) and J201 (MAIN1).
• 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
CAUTION:
Power must be off when connectors are being disconnected or
reconnected, otherwise you may be injured or a board may be
damaged.
The main board assembly will certainly be damaged if power is
applied with main board assembly connectors J111 (HEAD) and
J112 (HEAD2) and head board connectors J201 (MAIN1) and J202
(MAIN2) inserted with oblique FFP.
