Yokogawa Multi Channel Oxygen Analyzer System ZR22/AV550G - Manual (Page 207)

IM 11M12D01-01E 11-13
11. Inspection and Maintenance
Cap
Flat-blade
screwdriver
Fuse
Socket
F11.6E.EPS
Fig 11.9
WARNING
If a replaced fuse blows out immediately, there may be a problem in the internal circuit of the
averaging converter, the detector, or the wiring between the averaging converter and the detector.
Carefully investigate the cause of fuse failure. If the cause is unknown, contact our service office.
DANGER
To work safely, turn off the power to the averaging converter at the external breaker
and position the power switch to "O (OFF)" before replacement.
After replacement, position the power switch to "I (ON)", attach the front cover, and
then apply the power to the averaging converter.
11.4.2 Cleaning
Use a dry soft clean cloth for cleaning during inspection or maintenance.