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When should I install the secondary grounding cable to my rack automatic transfer switch ?
Issue This article outlines our recommendations in regards to installing the secondary grounding cable to the rack Automatic Transfer Switch (ATS)...
Unable to open the AP9613 - dry contact I/O card configuration utility in Windows 10
Issue Users are unable to open the AP9613 dry contact I/O card configuration utility in Windows 10. When connecting the card to the PC/laptop for...
How to reduce the Battery Charge Capacity for Smart-UPS VT
The SUVT UPS normally has a charging current of 10% (FW 6.8 could be as high as 20%) of the capacity of the UPS. However there are cases where it...
Why does my H-Type Power Conditioner make a high pitched noise?
Issue: Customer's device is emitting a high pitch hum or buzz. Product Line: APC H Type Power Conditioner, Line-R Automatic Voltage Regulator Environment:...
AP8966 Rack PDU shows incorrect bank to phase relationships
Issue In AOS v6.4.0/rpdu2g v6.4.0, the AP8966 Rack Power Distribution Unit (PDU) shows incorrect bank to phase relationships. (The silkscreen markings...
Uniflair User Interface Display Information and Icons
Issue:  Uniflair User Interface Display Information and Icons Product line: All Uniflair Units Environment:   All Serial Numbers Cause: Install, Repair...
UPDATED MARCH-2016: Unable to access my APC Network Management Card (NMC) enabled device via HTTPS (SSL/TLS)
Issue The user is unable to access their APC Network Management Card (NMC) products via HTTPS (SSL/TLS) secured web access. There are two parts to...
Modbus Installation and Troubleshooting for AP9635/AP9635CH Network Management Card 2 (NMC2)
Issue Modbus Installation and Troubleshooting for AP9635/AP9635CH Network Management Card 2 (NMC2).  Product Line UPS Network Management Card 2 -...
APC Switched Rack PDUs - any pending outlet commands are lost when PDU Network Management Interface is rebooted
Issue If an APC Switched Rack PDU's Network Management Interface is rebooted (manually by the user, or automatically due to network watchdog timer...
DNS may not work properly after firmware upgrade on Network Management Card 1 (NMC1) when using DHCP boot mode
Issue After a firmware upgrade, DNS may not work properly until DNS server settings are re-applied in some fashion, specifically when the Network...
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