Vestil SWA-60-AW - Manual (Page 49)

F:\Manual\SM-1517R-110V-100514 14.05.2010. - 47 -
11-1-2 There isn’t DC12 Volt. on power supply PD-25A
Refer to PC board KS-050201-MB, check
if there’s DC12V at P3 and P4 on CN1.
YES
Replace connection cord CN11
NO
Refer to PC board PD-25A, check if there’s
DC12V at P3 and P4 on CN2.
YES
Replace connection cord CN1.
NO
Check if FUSE F1 on PC board PD-25A is
blown.
YES
Replace FUSE.
NO
Refer to PC board PD-25A, check if there’s
AC220V at P1 and P2 on CN1.
YES
Replace PC board PD-25A.
NO
Check if there’s AC110V at terminal L12
and L22.
YES
Replace FUSE F3 and F4(3A).
NO
Check if there’s AC110V at terminal L11
and L21.
YES
Replace Line Filter.
NO
Check if input power voltage is normal.
YES
Replace Main Power Switch.