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STP-H600/H1000 Series Instruction Manual
12.3 Replacing the Fuses
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Remove the probable causes of the blown fuse (Ex. a problem with the remote
input signal, etc.) before replacing the fuse.
Always use specified and rated fuses.
NOTICE
If fuses are blown frequently even after they are replaced, contact Seiko
Instruments.
The following are protective fuses used in the STP control unit (See Section 4.1.3, "Inside of
the Control Unit").
F3, F4: 250 V, 5 A
For control power protection.
F5, F6, F7: 250 V, 10 A (arc-extinguishing fuses)
For I/O TB2 remote input/output terminal protection.
For power input (19) and (20) and power output (1) to (6) protection.
F8: 250 V, 10 A (arc-extinguishing fuse)
For external battery protection.
F9: 250 V, 10 A (arc-extinguishing fuse)
For internal battery protection.
F11, F12: 250 V, 0.1 A
For START/STOP TB6 remote input signal protection.
NOTICE
Two of each three different kinds of fuses are attached for replacement (See
Table 16.3).
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