四、The Machine Does Not Work When Power Is On - S&A CW-5000 Series Service And Repair Handbook

四、The machine does not work when power is on
Reason:
1、Fuse Fusing
2、Switching Mode Power Supplies
Testing method
1）Open the safety tube and check if the fuse is fused (as picture).If fused, replace the standby
insurance tube.
2）Check AC220V voltage (depend upon the mode of machine) of two groups of wire on the
Switching Mode Power Supplies with Universal meter etc tools, if only one group with the
AC220Vvoltage can judge switching mode power suppliers failure , will need to replace a new
one.
11