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A Eaton 9315 ups 80kVA has Inverter failure and AC Output Over voltage. Any help?

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Sound like IGBT. It's a black block looking device mounted directly on the heat sink of the inverter leg. Remember you have 3 legs total to check. If I remember right there are 3 IGBT's per leg. You could also have blown a DC capacitor.

Posted on Jul 29, 2015

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A Eaton 9315 ups 80kVA has Inverter failure and AC Output volatge Over voltage. I checked all the wires from and to the inveretr control board, i replaced the inverter control board. The system still with that issue. Any opinion about it?

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HI

Checking AC Output
1. After the battery voltage and connections have been checked, disconnect the inverter.s AC output wires from
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2. Disconnect the remote panel to eliminate it as a possible problem.
3. Turn the inverter ON using the power switch on the front panel of the inverter. The 100-watt light should
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General Information Manufacturer: Eaton Corporation
Manufacturer Part Number: 103004248-5592
Manufacturer Website Address: www.eaton.com/EatonCom/Markets/NorthAmerica
Brand Name: Eaton
Product Series: PW3105
Product Model: PW3105 700
Product Name: Powerware PW3105 700VA Tower UPS
Product Type: Standby UPS
Technical Information Plug/Connector Type: NEMA 5-15P
Receptacles: 4 x NEMA 5-15R - Battery Backup System
Switching Time:
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  • 6 ms
Dataline Protection: RJ-45 Internet
Power Description Load Capacity: 700VA/420W
Input Voltage: 110V AC
Input Voltage Range: 0V AC to 160V AC
Output Voltage: 115V AC
Frequency:
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  • 60Hz
Management Overload Protection: Circuit Breaker
Interfaces/Ports Interfaces/Ports: 1 x USB
Battery Information Batteries: Maintenance Free Sealed Lead-acid
Backup/Run Time: 3 Minute 420W Full-load
Physical Characteristics Form Factor: Tower
Dimensions:
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  • 4.4" Height x 11" Width x 7" Depth
Weight: 9.7 lb
Miscellaneous Certifications & Standards:
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  • EMI: FCC Class B
  • Software Included: Powerware LanSafe Software
    Green Compliance: Yes
    Green Compliance Certificate/Authority: RoHS

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