EY6450-U1

< TROUBLE >

 

< CHECK >

 

 

< REMEDY >

Does not speed-

 

<CHECK FET.>

 

NO

Repair the contact

control or does not

 

Even if FET block is defective, it can not be replaced individually.

 

 

or replace switch

brake.

Replace whole switch block.

 

& FET 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.

OK

 

 

 

NO

 

<CHECK SWITCH BLOCK.>

Replace switch & FET

 

block.

8