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EY6450-X8
< TROUBLE >
Does not speed-
control or does not
brake.
Even if FET block is defective, it can not be replaced individually.
→
Replace whole switch block.
Remove the FET circuit block and check the lead wire terminals.
These terminals are open normally when there is an open circuit (
between the green and yellow lead wires, and between the blue and
yellow lead wires.
NOTE:
* FET is weak against static electricity.
** The resistance value may be some differences depends on the
measurement range.
< CHECK >
<CHECK FET.>
↓OK
<CHECK SWITCH BLOCK.>
8
< REMEDY >
NO
Repair the contact
or replace switch
→
& FET block.
Ω)
NO
Replace switch & FET
→
block.
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