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Chapter Six: Trouble Shooting Guide For MS3K
6.1. Utility is Normal, but UPS on Battery Mode
FIG. 6.1
Check Items
Trouble-shooting
Utility Voltage is out of windows(<80Vac or
>140Vac for 120Vac system or <160Vac or
>280Vac for 230Vac system)
Your Utility quality is too bad. You are
recommended to install an AVR in front of the
UPS.
Input AC fuse is broken.
Replace a new fuse with same rating one.
Input Power Cord is loose in connection.
Please re-connect the loose Input Power Cord
properly back to its position.
Input detecting circuit is out of order.
Please check whether the U5(LM324) or
D13(1N4148) Of MSCD0xx are defective.
Over-voltage Trip-off circuit is out of order.
1.Refer to fig 6.1. Please check those items of
MSCD0xx Board are defective:
2.The transformer T4 is open.
3.C104 is 11-15V?
4.Check D53, and Relay K1
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...
