UPS
Uninterruptible Power System
SKP-500A/700A
SERVICE’S MANUAL
Page 1: ...UPS Uninterruptible Power System SKP 500A 700A SERVICE S MANUAL...
Page 2: ...rom the UPS q BUCK AVR VOLTAGE REDUCTION indicator YELLOW LED The LED illuminates when the UPS is correcting a higher utility voltage input The loads would receive steady power from UPS r OVERLOAD REP...
Page 3: ...the voltage of utility power should match with the UPS For example the rating voltage of UPS is 110V 220V the input utility power should be the same as 110V 220V q q q q INPUT CIRCUIT BREAKER FUSE It...
Page 4: ...SKP 700A MODEL NAME 100 120V 220 240V 100 120V 220 240V PCB S505 V1 x CPU S505 V1 xx TRANSFORMER RT S05A1 RT S05B1 RT S07A1 RT S07B1 BATTERY 12V 7AH 12V 9AH REAL PANEL INPUT SOCKET OUTPUT SOKETS FRONT...
Page 5: ...SKP 500A 700A SERVICE MANUAL V1 0 5 6 4 FUNCTION BLOCK DIAGRAM 4 1 Main structure 4 2 Control circuit...
Page 6: ...light PCB failure Replace the PCB call for service AC FUSE or Circuit breaker open Replace the AC fuse in the inlet or re push the circuit breaker UPS always at battery mode Line voltage too high too...