Vertiv NetSure M830B User Manual

Vertiv™ NetSure™ Control Unit (NCU) User Manual
70
Table 2.3
Alarm Name Alarm Description Action to Correct
Rectifiers Limited(CAN2)
Alarms when rectifiers with different version software
revisions are detected on CAN Bus 2.
--
Load-share Problem(CAN1)
Alarms when the system consists of more than sixty
(60) rectifiers and rectifiers with different version
software revisions are detected on CAN Bus 1.
If this condition exists, there is a load share problem
amongst the rectifiers. Suggest to replace the older
version rectifiers with new versions.
Load-share Problem(CAN2)
Alarms when the system consists of more than sixty
(60) rectifiers and rectifiers with different version
software revisions are detected on CAN Bus 2.
If this condition exists, there is a load share problem
amongst the rectifiers. Suggest to replace the older
version rectifiers with new versions.
Rectifier Alarms
AC Input Fail No AC input power to a rectifier. Check why no AC input power available.
Rect Temperature High A rectifier has a high temperature condition. Check why temperature is high.
Rectifier Fail A rectifier has a fault condition.
Refer to Rectifier User Manual for troubleshooting
information.
HVSD A rectifier has an overvoltage condition.
Rectifier Protected A rectifier is in protected mode.
Fan Fail A rectifier’s fan has failed. Replace fan.
Power Limit NOT IMPLEMENTED AT THIS TIME NOT IMPLEMENTED AT THIS TIME
Rectifier Communication Fail A rectifier has lost communications with the controller.
Check communications cables. Reset the
Communication Fail alarm. Replace the rectifier.
Derated A rectifier is in output power derating mode.
Refer to Rectifier User Manual for troubleshooting
information.
Current Share Alarm A rectifier has a current sharing alarm.
AC Under Voltage Protection
(Three Phase Rectifier’s Only)
A rectifier is in under voltage protection mode.
Example: When the rectifier’s AC voltage is between a
predefined AC value (see Rectifier User’s Manual) and
the rectifier’s power draw is greater than a predefined
power level (see Rectifier’s User’s Manual), you will get
the alarm “AC Under Voltage Protection”.
Rectifier Summary Alarm
Rectifier alarm summary (one or more alarms
designated as rectifier is active).
“Manufacturer Use” Only.
Rectifier Switch Alarm A rectifier has a power switch alarm. See why the rectifier has a power switch alarm.
Rectifier Group 2 [3, 4] Alarms
All Rectifiers Comm Fail No response from all rectifiers.
Check the connectors and cables or the CAN loop.
Replace the controller.
Rectifier Lost A rectifier cannot be detected by the controller.
Reset the Rectifier Lost alarm. Replace defective
rectifier.
Communication Failure A rectifier has lost communications with the controller. Reset the Comm Fail alarm. Replace defective rectifier.
Mains Failure Rectifier commercial AC input power failure. --
Multiple Rectifiers Fail More than one rectifier has failed or a Mains Failure. Check input voltage to rectifiers. Replace rectifiers.
Group I [II, III] Rectifier Alarms
AC Input Failure No AC input power to a rectifier. Check why no AC input power available.
Rectifier HighTemperature A rectifier has a high temperature condition. Check why temperature is high.
Rectifier Fault A rectifier has a fault condition.
Refer to Rectifier User Manual for troubleshooting
information.
Overvoltage A rectifier has an over voltage condition.
Rectifier Protected A rectifier is in protected mode.
Fan Failure A rectifier’s fan has failed. Replace fan.
Power Limit NOT IMPLEMENTED AT THIS TIME NOT IMPLEMENTED AT THIS TIME

Vertiv NetSure M830B Specifications

General

Brand	Vertiv
Model	NetSure M830B
Category	Controller
Language	English