Yokogawa IR200 - Manual (Page 80)

8 - 1
IM 11G02M01-01E
8.1 Error message
If errors occur, the following contents are displayed.
Error No.1
Error No.3
Error No.4
Error No.5
Error No.6
Error No.7
Error No.8
Error No.9
Error No.10
• Infrared ray light source is faulty.
• Sector motor rotation is faulty or stopped.
• Motor rotation detector circuit is faulty.
• Amplifier circuit is faulty.
• Circuit is faulty.
• Zero gas is not supplied.
• Zero point is deflected much due to a dirty cell.
• Detector is faulty.
• Span gas is not supplied.
• Calibrated concentration setting does not
match cylinder concentration.
• Zero calibration is not performed properly.
• Span is deflected much due to dirty cell.
• Detector sensitivity is deteriorated.
• Calibration gas is not supplied.
• Time for supplying calibration gas is not short.
• Error corresponding to No. 4 to No. 8 occurred
during auto calibration.
• Wiring is detached between analyzer and
interface module.
• Wiring is disconnected between analyzer and
interface module.
Error display Error contents Probable causes
Sector motor rotation detector
signal is faulty.
A/D conversion signal is faulty.
Zero calibration is not within the
allowable range.
A amount of zero calibration
(indication value) is over 50% of
full scale.
Span calibration is not within the
allowable range.
A amount of span calibration
(difference between indication
value and calibrated concentration
value) is over 50% of full scale.
Measured values fluctuate to much
during zero and span calibration.
Calibration is abnormal during auto
calibration.
Output cable connection is improper.
ؒ
Press the key to delete the error display.
When more than one error occurs, the error
displays disappear one by one.
ؒ
If the key is pressed without removing
the cause of an error, the error will be
displayed again.
ENT
ESC
ESC
ESC
Measurement screen
ؒ
When more than one error occurs, pressing
the key moves to another error display.
Display of error contents
8. TROUBLESHOOTING
Note) When errors No. 1, No. 3 and No. 10 occur, instrument error output contacts are conductive.
When errors No. 4 to No. 9 occur, calibration error output contacts are conductive.
Screen display and operation at the occurrence of error
In case of Error No. 1 to No. 4, No. 6, No. 8 to No. 10