63
MEP-7000
5
6
7
8
5
6
7
8
A
B
C
D
E
F
No.
Waveform
Items for check
Causes and measures
Points to be checked
-
Abnormal sound when the JOG dial is turned
1
JOG ASSY
-
The JOG dial turns too freely (The load on the JOG dial is outside the specified range.)
1
JOG ASSY
-
Resistance to turning the JOG dial is too strong (The load on the JOG dial is outside the specified range.)
1
JOG ASSY
[3-7] Abnormality in operation of the rotary selector
(Turnin
g
or pressin
g
of the rotary selector does not function.)
No.
Waveform
Items for check
Causes and measures
Points to be checked
1
-
2
-
CABLE
-
Either of the 2 types of gears have
scratches or burrs, or oil applied
to the gears is insufficient.
Check if the load on the JOG dial
is within the specified range,
according to [How to Measure]
in “
8
.1 CO
N
FIRMATIO
N
MODE
A
N
D ADJUSTME
N
T METHOD
FOR LOAD O
N
THE JOG DIAL.”
Check if the load on the JOG dial
is within the specified range,
accordingto [How to Measure]
in “
8
.1 CO
N
FIRMATIO
N
MODE
A
N
D ADJUSTME
N
T METHOD
FOR LOAD O
N
THE JOG DIAL.”
Check if the cables that connect
the RE
N
C and
N
MAI
N
Assys are
securely connected and if there is
breakage in the cables.
If the problem is not resolved
even after the above-mentioned
measures are taken
Replace the gears and apply a little oil,
according to “1.6 REASSEMBLI
N
G OF THE
CO
N
TROL U
N
IT.” After the gears are replaced,
oil must be applied. After that, check that the
load on the JOG dial is within the specified
range, according to “
8
.1 CO
N
FIRMATIO
N
MODE A
N
D ADJUSTME
N
T METHOD FOR
LOAD O
N
THE JOG DIAL.”
If it is outside the specified range, the load on
the JOG dial may be too small or oil applied to
the dial is insufficient. Shift the position of the
adjustor plate according to [How to Adjust] in
“
8
.1 CO
N
FIRMATIO
N
MODE A
N
D ADJUST-
ME
N
T METHOD FOR LOAD O
N
THE JOG
DIAL.”
If it is outside the specified range, the load on
the JOG dial may be too large or oil applied to
the dial is too much. Shift the position of the
adjustor plate according to [How to Adjust] in
“
8
.1 CO
N
FIRMATIO
N
MODE A
N
D ADJUST-
ME
N
T METHOD FOR LOAD O
N
THE JOG
DIAL.”
If a connection is loose, firmly connect the
cables.
If there is breakage, replace the cable.
Replace the rotary encoder (S2107).
During the above-mentioned adjustment, if the
position of the adjustor plate reaches the lower
limit, wipe off oil from the dial then reapply it,
according to “1.6 REASSEMBLI
N
G OF THE
CO
N
TROL U
N
IT.” After the above-mentioned
adjustment is completed, check that the load
on the JOG dial is within the specified range,
according to “
8
.1 CO
N
FIRMATIO
N
MODE
A
N
D ADJUSTME
N
T METHOD FOR LOAD O
N
THE JOG DIAL.”
During the above-mentioned adjustment, if the
position of the adjustor plate reaches the upper
limit, wipe off oil from the dial then reapply it,
according to “1.6 REASSEMBLI
N
G OF THE
CO
N
TROL U
N
IT.” After the above-mentioned
adjustment is completed, check that the load
on the JOG dial is within the specified range,
according to “
8
.1 CO
N
FIRMATIO
N
MODE
A
N
D ADJUSTME
N
T METHOD FOR LOAD O
N
THE JOG DIAL.”
Check the status with the auto
device diagnosis or the status
LEDs, or check the pulse wave-
form output at Pin 2 of the CPLD
(IC1700).
If the CE
N
TER PA
N
EL microcomputer (IC
8
00)
is judged as
N
G, it has not been correctly
started up.See “[
8
] Auto Device iagnosis/Status
LEDs” in this section.
No.
Waveform
Items for check
Causes and measures
Points to be checked
[3-
8
] The keys do not function.
1
All the keys on the center area do not function.
-
151
