<11. Inspection and Maintenance>
11-9
IM 11M12G01-02EN 1sh Edition : Mar. 25, 2021-00
11.2.1 Replacing Fuses
The converter incorporates a fuse, as indicated in Figure 11.5. If the fuse blows out, replace it in
the following procedure.
CAUTION
• If a replaced fuse blows out immediately, there may be a problem in the circuit.
• This fuse is for protecting the main power supply circuit and does not provide overcurrent
protection for the heater temperature control circuit. For overcurrent protection circuitry, refer
to Section 12.1.2.2, Heater Temperature Failure.
Fuse
Figure 11.6 Location of Fuse in the Converter
To replace the fuse, follow these steps:
holder cap slot (Figure 11.6), turn the fuse holder cap 90° counterclockwise.
By doing so, you can remove the fuse together with the cap.
Maximum rated voltage: 250 V
Maximum rated current: 3.15 A
Type: Time-lag fuse
Standards: UL-, CSA- or VDE-approved
Part number: A1113EF
Place a new, properly rated fuse in the holder together with the cap, and push and turn the
cap clockwise 90° with the screwdriver to complete installation of the fuse.
Cap
Flat-blade
screwdriver
Fuse
Socket
F11.6E.ai
Figure 11.7 Removing the Fuse
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