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Service Manual                                             

STAR T3/T3R UPS 

                                               6kVA~10kVA 220VAC 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
 
 
 
 
 
 
 

                                                                                                                                                    www.allis.com.tw 

Summary of Contents for Star T3

Page 1: ...Service Manual STAR T3 T3R UPS 6kVA 10kVA 220VAC www allis com tw...

Page 2: ...PSDR Right side 1 1 2 6 10 kVA PSDR Left side 1 2 Fault and Warning 2 3 Troubleshooting 3 3 1 Quick Start 3 3 2 PFC Analysis 4 3 3 Boost Analysis 5 3 4 Inverter Analysis 7 3 5 Charger Module Analysis...

Page 3: ...Electric Page 1 of total 13 September 2006 1 PSDR Introduction 1 1 6 10 kVA PSDR Right side c d e f 1 2 6 10 kVA PSDR Left side f e d 1 Bypass Mosfet Driver 2 Inverter IGBT Driver Module 3 Boost IGBT...

Page 4: ...nverter Fail 1 Inverter circuit failed 2 Inverter driver failed 3 PFC circuit failed 1 Replace the Inverter components or driver 2 Replace the PFC components or driver Fault Warning Normal y UPS in No...

Page 5: ...6 D303 D305 D307 Push Pull Boost D309 D311 D308 D310 Power Diode Short or open Q201 Q202 Q203 Q204 IGBT C E short or open D201 D202 D203 D204 D205 Inverter D210 D211 D212 D213 Power Diode Short or ope...

Page 6: ...ware of F301 F302 fuse open indicates failure of this block Please replace all faulty components before re start the UPS 6 10kVA PFC Right side 6 10kVA PFC Left side Step Checked components Instrument...

Page 7: ...bleshooting 3 3 Boost Analysis 6 10kVA Boost Right side 6 10kVA Boost Left side Step Checked components Instrument function Reference Value Failure Mode E C 800k short 1 Q306 Q311 G E 15 8k short or o...

Page 8: ...ember 2006 4 R325 R331 R334 R342 R337 R328 10 open 5 R390 R388 R389 R393 R392 R391 2 2 open 6 F303 F304 0 open A K 2 5M short 7 Q305 G K 10 short Action ltem If all above stated components are replace...

Page 9: ...de Step Checked components Instrument function Reference Value Failure Mode E C 100k Short 1 Q201 Q202 Q203 Q204 G E 23 5k Short or Open 2 D201 D202 D203 D204 D205 Diode 0 36V 0V 3 D210 D211 D212 D213...

Page 10: ...Analysis 6 10 kVA Charger Module Long back up type Step Checked components Instrument function Reference Value Failure Mode 1 F1 0 open E C 1M 2 Q301 Q105 G E 10k 3 D303 DIODE 0 4V 0V 4 R315 10 open...

Page 11: ...f total 12 September 2006 6 10 kVA Charger Module Standard type Step Checked components Instrument function Reference Value Failure Mode 1 F901 F902 F903 F904 F905 F906 0 open S D 1 7M 2 Q907 Q908 G S...

Page 12: ...3 6 PFC Boost Inverter IGBT Driver Module Analysis 6 10kVA Boost Right side 6 10kVA Boost Left side Step Checked components Instrument function Reference Value Failure Mode ZD201 V 0 7V 0V Q201 Q202 V...

Page 13: ...AT Press the switch on front panel for more than 3 seconds you will see current limit for a short time on the DC power supply for about only 2 seconds then UPS should be DC start If UPS does not start...

Page 14: ...tep 3 If the UPS re start normally check the DC_BUS and output voltage For 6 10kVA DC_BUS 340 350 and 340 350VDC deviation between negative and positive voltage should be within 10VDC Output Voltage 2...

Page 15: ...t with AC power source then follow the step3 and step4 to check the DC_BUS and output voltage again Also the charger voltage need to be confirmed the charger voltage should be 274VDC 1 If UPS fails to...

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