4%q, Qw't, Error indication error contents remedy – KEYENCE IB Series User Manual
Page 114

A-6
A
ppendix
IB-E
* Press the [MODE] button to remove the error and return to the main screen.
Reference light 
registration error 1* 
(Light insufficient 
error)
The reference light 
registration (gain adjustment) 
cannot be completed because 
the amount of received light is 
too low.
• Correctly mount the transmitter and receiver.
"Mounting the Sensor Head" (page 2-8)
• Adjust the beam axis.
"3-3 Beam Axis Adjustment" (page 3-8)
• Clean the sensor head’s laser transmitting and
receiving sections.
Reference light 
registration error 2* 
(Interfering light 
error)
The reference light 
registration (gain adjustment) 
cannot be completed because 
of interfering light or because 
the receiver is receiving the 
laser beam of a transmitter 
connected to an expansion 
amplifier unit.
• Make sure that the interfering light does not
enter the laser receiver.
• Connect the transmitter and receiver in
combination to the same amplifier unit.
Adjust error 1*
(Light insufficient 
error)
The adjust function cannot be 
set because the amount of 
received light is too low.
• Perform reference light registration (gain
adjustment).
"3-4 Reference Light Registration (Gain 
Adjustment) and Adjust Function" (page 3-
10)
• Adjust the beam axis.
"3-3 Beam Axis Adjustment" (page 3-8)
• Clean the laser transmitter and receiver
sections on the sensor head.
• Increase the adjust level.
"14. Adjust Level" (page 4-37)
Adjust error 2*
(Excess light error)
The adjust function cannot be 
used because the amount of 
received light is too high.
• Perform reference light registration (gain
adjustment).
"3-4 Reference Light Registration (Gain 
Adjustment) and Adjust Function" (page 3-
10)
• Increase the adjust level.
"14. Adjust Level" (page 4-37)
Adjust error 3*
(Interfering light 
error)
The adjust function cannot be 
set because of interfering light 
or because the receiver is 
receiving the laser beam of a 
transmitter connected to an 
expansion amplifier unit.
• Make sure that the interfering light does not
enter the laser receiver.
• Connect the transmitter and receiver in
combination to the same amplifier unit.
Communication 
between amplifiers 
error
Communication between 
amplifiers is disabled.
Turn the power OFF and check the connections 
between the amplifiers.
Error indication
Error contents
Remedy
-
LASER
BANK
0
1
2
3
HI
GO
LO
R.V. ANALOG
HI SHIFT
ZERO SHIFT
TIMING
LO
ALIGNMENT
'4)
HOLD CALC CHECK
KP(
LASER
BANK
0
1
2
3
HI
GO
LO
R.V. ANALOG
HI SHIFT
ZERO SHIFT
TIMING
LO
ALIGNMENT
'4)
HOLD CALC CHECK
-
LASER
BANK
0
1
2
3
HI
GO
LO
R.V. ANALOG
HI SHIFT
ZERO SHIFT
TIMING
LO
ALIGNMENT
'4#&,
HOLD CALC CHECK
QW'T
LASER
BANK
0
1
2
3
HI
GO
LO
R.V. ANALOG
HI SHIFT
ZERO SHIFT
TIMING
LO
ALIGNMENT
'4#&,
HOLD CALC CHECK
KP(
LASER
BANK
0
1
2
3
HI
GO
LO
R.V. ANALOG
HI SHIFT
ZERO SHIFT
TIMING
LO
ALIGNMENT
'4#&,
HOLD CALC CHECK
LASER
BANK
0
1
2
3
HI
GO
LO
R.V. ANALOG
HI SHIFT
ZERO SHIFT
TIMING
LO
ALIGNMENT
'4%Q/
HOLD CALC CHECK
