User guide
A-4
Appendix
IG-E
When an error occurs, an error message appears on the sensor amplifier.
Button opera-
tions are
ignored.
Is the key lock function
being used?
Cancel the key lock function.
"3-9 Key Lock Function" (page 3-21)
The connected communication unit <DL-RS1A> read/
write setting switch is set to RW.
Set the read/write setting switch to R.
"
RS-232C Communication Unit DL-RS1A User's Manual"
The judgment
output cannot
be output prop-
erly.
Is the output polarity set
correctly?
Make the settings for NPN output and PNP output.
"3-5 Initial Reset (Initialize)" (page 3-10)
Is the unit properly wired?
Wire the unit correctly.
"Output Circuit Diagram" (page 5-4)
Is the tolerance setting
value set correctly?
Set the tolerance setting value.
"3-6 Setting the Tolerance Setting Value" (page 3-11)
Is the output mode (N.O./
N.C.) set correctly?
Set the output mode.
"4. Output mode" (page 4-19)
The analog output
cannot be output
properly.
Is the unit properly wired?
Wire the unit correctly.
"Output Circuit Diagram" (page 5-4)
Is the type of analog out-
put (current/voltage) set
correctly?
Set the type of analog output.
"3-5 Initial Reset (Initialize)" (page 3-10)
The bank cannot be
switched by the
external input
Is the key lock function
being used?
Use the key lock function.
"3-9 Key Lock Function" (page 3-21)
The sensor
head indicator
does not
change.
Is the power voltage used
within the specification
range?
Use the power voltage within the specification range.
"5-1 Specifications" (page 5-2)
Is there an error message
on the sensor amplifier?
Take adequate measures according to the error mes-
sages.
"Error displays and
corrective actions" (page A-4)
Problem Check points Corrective actions
Error displays and corrective actions
Reference
• If an error occurs, the judgment output becomes error. Also, the edge check
output becomes off. (When Normal Open is set)
"4. Output mode" (page 4-19)
• W
hen [
GTE
] is displayed, all the judgment output becomes OFF for output protection.
• When an error is displayed, the analog voltage output is fixed to 5.5 V and
analog current output is fixed to 3.0 mA.
Error displays Error contents Corrective actions
Head error
The transmitter and receiver
are not connected to the sen-
sor amplifier.
Connect the transmitter and receiver correctly.
"Sensor Head Connection" (page 2-12)
The sensor head cable con-
nector is not connected prop-
erly.
Make the connection again.
"Attaching the sensor head cable connector
(OP-84338)" (page 2-14)
The transmitter is broken. Replace the transmitter.
The sensor head cable of trans-
mitter is damaged.
Replace the sensor head cable.
VT
LASER
BANK
0
1
2
3
HI
LO
R.V.
ANALOG
HI SHIFT
ZERO SHIFT
TIMING
LO
ALIGNMENT
'T*
GO
HOLD CALC
CHECK