22
AC fuse is burn
Q12 short
PFC fault
1.
Replace Q12, U6
2.
check BD1, D19
and R116
YES
Q13,Q14
short
INVERTER fault
1.replace Q13, Q14,
U7, U8
2.Check R118 R120,
D24 and D25
NO
NO
DC fuse is burn
UPS MALFUNCTION
Q15-Q20
short or low
resistance
Booster fault.
1.
Replace Q15-Q20,
R109, R110, R123,
R124, 132, R138,
U9 and/or F1.
2.
CHECK D30-D33
and T2.
YES
if the UPS still fails to work. Please refer to the
detail trouble shooting guide
NO
4.7 Quick trouble shooting
YES
Содержание 3 MS series
Страница 7: ...7 1 2 3 4 5 6 7 8 9 Pin 6 RS232 Rx Pin 9 RS232 Tx Pin 7 Ground...
Страница 24: ...24 5 2 Fault LED Lights up and No Output FIG 5 2...
Страница 32: ...32 6 2 Fault LED Lights up and No Output FIG 6 2...
Страница 39: ...39 Appendix a 1 Wiring Diagram a 1 1 For MS 1K...
Страница 41: ...41 a 1 3 For MS3K...
Страница 42: ...42 a 2 Placements a 2 1 For MS1K 220V...
Страница 43: ...43 a 2 2 For MS2K 220V a 2 3 For MS3K...
Страница 44: ...44 a 2 3 For MS3K 220V...
Страница 45: ...45 a 2 4 For MS1K 120V...
Страница 46: ...46 a 2 5 For MS2K 120V...
Страница 47: ...47 a 2 6For MS3K 120V file smenu_ms doc...