8250A Optical Power Meter Operation Manual
A.2 Error Messages
A-3
Table A-3 Error Messages
No.
Display
Error description
Error generation timing
Display time
Solution
Buzzer
*2
Test when
turning on
the power.
Other
timings
1
Err 1
"OL" is generated in any range
while
[ZERO]
is executed.
While
executing
[ZERO]
.
Approx. 1
second
Block the light
completely.
Short
sound
2
Err 2
The sensor is disconnected.
Constant
monitoring
Until the
sensor is
connected.
Connect the sen-
sor.
Short
sound
3
Err 3
Sensor calibration data sum
check error
Sensor calibration data read error
When re-
connecting
the sensor.
Unlimited
Re-connect the
sensor and turn on
the power.
Short
sound
4
Err 4
ROM sum check error
Unlimited
Contact ADC
Corp.
Short
sound
5
Err 5
RAM read/write check error
Unlimited
Contact ADC
Corp.
Short
sound
6
Err 6
Power meter calibration data
sum check error
Unlimited
Contact ADC
Corp.
Short
sound
7
Err 7
Parameter sum check error
Unlimited
Contact ADC
Corp.
Short
sound
8
Err 8
AD operation check error
When
measuring.
Approx. 1
second
Contact ADC
Corp.
Short
sound
9
Err 9
USB communication error
While
com-
municating
by the USB.
Approx. 1
second
Check the USB
cable connection.
Short
sound
10
Err 10
Calibration error *1
When
calibrating.
Approx. 1
second
Calibrate accord-
ing to the correct
procedure.
Short
sound
11
Err 11
Display RAM test error or Com-
munication error
Unlimited
Contact ADC
Corp.
Short
sound
12
Err 12
FLASH memory writing error
When
writing.
Approx. 1
second
Contact ADC
Corp.
Short
sound
13
Err 13
A key is pressed in the key lock
mode.
When
press-
ing a key.
Approx. 1
second
Turn the key lock
off.
Short
sound
14
Err 15
Remote command error
When
an
incorrect
command is
received.
Approx. 1
second
Send the correct
command.
Short
sound
*1:
For more information, refer to Table A-4.
*2:
The buzzer sounds once for a short time at the same timing when the error is displayed.
(The function, which sets the buzzer to OFF, is not included.)