EnerSys Alpha Cordex CXC HP - Rectifier Not Acquired; Rectifier Communication Lost; Replacing a Defective Rectifier

Cordex®CXCHPControllerSoftwareManual|23-Troubleshooting
Notice: A common reason for an unexpected Rectifier Fail alert is a very low load or no load
resulting in a Ramp Test Fail/No Output Power alert. It is normal for a rectifier to have this alert
active if there is no load or very low load. If your system normally operates at very low load you
can disable the Ramp Test under Systems > DC System > Inventory > Rectifiers > Rectifiers
Configuration to clear this alert and prevent it from activating.
23.2.3. Rectifier not acquired
Ensureallrectifiersaresecuredandtightlyscrewedintotheshelf.
EnsureCANcablesaresecurelyconnectedandroutedbetweenallnecessaryshelves,andtothe
controller.
GotoSystems > DC System > Inventory > Rectifiers > Status,andthenselectAssign intheModules
Available for Assignment tableforthespecificrectifierrequired.
Notice: Even if a system is configured to auto-assign devices, once a rectifier has been
unassigned from the system, it must be manually reassigned back into the system. This is
necessary to avoid unintentional auto-assignment. If a device is unassigned using the Forget
button, then it will auto-assign when discovered on the CAN bus
23.2.4. Rectifier communication lost
Ifoneormorerectifiershavelostcommunicationwiththecontrollerformorethantensecondsanalarm
generates.Thealarmwillclearwhencommunicationisrestoredtoallrectifiers.
If rectifier communication is lost, check the following:
1. CheckallCANcablesforbreaksorlooseconnections.
2. Ensureallrectifiersaresecuredandtightlyscrewedintotheshelves.
3. GotoSystems > DC System > Inventory > Rectifiers > Alarms.
4. Onthealarmstable,selecttheGO TO buttonontheRectifier Comms Lost rowtoseethedetails.
23.2.5. Replacing a defective rectifier
Whenarectifierfailsandorispermanentlyremoved,thesystemgeneratesaRectifier Comms Lost
alarm.
Thealarmisclearedbyremovingtherectifierfromthesysteminventory.
To remove the rectifier from the system inventory:
1. Removethedefectiverectifierfromtheshelf.
2. GotoSystems > DC System > Inventory > Rectifiers > Status.
3. SelectForget ontherectifiertoberemovedandconfirm.
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