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< 11. Inspection and Maintenance >
11-13
IM 11M12D01-01E
4) Use a recommended fuse, shown below, or equivalent for replacement. Attach a new fuse to the
cap, place in the fuse holder, and push and turn the cap clockwise until it stops with the flat blade
screwdriver.
Fuses used in the averaging converter are as follows.
Maximum rated voltage:
250 V
Maximum rated current:
2.5 A
Type:
Time lag fuse
Compliance:
UL, CSA, VDE, Japan’s Electrical Appliance and Material Safety
Law
Part number:
A1112EF
5) It is recommended that the fuse be replaced every two years even if it has not blown.
6) Position the power switch to “I (ON)”, and attach the front cover.
Cap
Flat-blade screwdriver
Fuse
Socket
F11-9E.ai
Figure 11.9 How to replace the fuse
CAUTION
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.
11.4.2 Cleaning
Use a dry soft clean cloth for cleaning during inspection or maintenance.
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