7. Maintenance 7-1. Maintenance intervals and maintenance items
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Maintenance
item
Maintenance details
Daily
maintenance
Monthly
maintenance
Regular
maintenance
Filters
Check to confirm that the filters are not dirty. 〇 〇 〇
Alarm test
Perform a test. Check to confirm that the alarm lamp, buzzer, and
vibration are functioning normally.
― 〇 〇
Calibration
Perform calibration using a calibration gas. ― ―
〇
Gas alarm
check
Check the gas alarm using a calibration gas. ― ― 〇
WARNING
If you encounter a product abnormality, contact Riken Keiki immediately.
When using the SC-04 (HCN), dirt on the face in contact with the CF-A13D-3 does not pose issues.
NOTE
Calibration requires dedicated tools and the preparation of a calibration gas. Contact Riken Keiki before
performing calibration.
The built-in sensor has an expiration date. Replace periodically.
The sensor needs to be replaced if you encounter symptoms like failure to restore readings after air calibration
or fluctuating readings when performing calibration. Contact Riken Keiki for replacement.