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4.6 CHECK AND REPLACEMENT OF THE MAIN SWITCH
& : Multimeter, medium ! at and Philip screwdriver.
6 : 1h
i : Defective main switch may cause the following malfunctions:
1. Turning the machine on, the main switch of the shop shuts off .
2. Turning the machine on, the machine does not show anything.
TO CHECK THE SWITCH:
Ø Turn off the balancer.
Ø Disconnect the power supply from the machine.
Ø Remove the weight on other balancer to access to the IBP.
Ø Remove the IBP box from the machine and remove its cover to
access to the switch.
Ø Disconnect the wires from the switch.
Ø Take the multimeter and select it in Ohm.
Ø Turn switch to ‘0’ (off ).
Ø Check that there is no continuity (W = in# nity) between any two terminals 1, 2, 3 and 4.
Ø Turn switch to '1' (on).
Ø Check that there is continuity between terminals 1-2 and
terminals 3-4 (W = 0 ~ 0.2) and discontinuity between
terminals 1-3 and 1-4, as well as 2-3 and 2-4.
TO REPLACE THE SWITCH:
Ø Take the small ! at screwdriver and push the switch clips and at the
same time push off the switch.
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