Dell 5600R OL HV-US 5600W User Manual page 71

Table 16. Typical Alarms and Conditions (continued)
Alarm or Condition
Bypass AC Under Voltage
(Notice 4)
Intermittent Alarm
Bypass Under/Over Freq
(Notice 5)
Intermittent Alarm
Rectifier Input Over Current
(Alarm 26)
Continuous Alarm
Inverter Output Over
Current
(Alarm 27)
Continuous Alarm
DC Link Over Voltage
(Alarm 28)
Continuous Alarm
DC Link Under Voltage
(Alarm 29)
Intermittent Alarm
DC Link Imbalance
(Alarm 1234)
Intermittent Alarm
Rectifier Fault
(Alarm 30)
Continuous Alarm
Possible Cause
The measured voltage on
Bypass is less than the upper
voltage limit specification for
bypass operation.
The measured voltage on
Bypass is out-of-range for either
the upper or lower voltage limit
specification for bypass
operation.
The UPS has detected that
rectifier input current limits
have been exceeded.
The UPS has detected that the
inverter output current limits
have been exceeded.
The link or rail voltage has
exceeded its upper threshold
limit.
The link or rail voltage has
dropped below its lower
threshold limit.
The internal ± DC bus (DC
rail) voltages generated in the
UPS are imbalanced.
The UPS has detected a fault in
the rectifier circuit while
attempting recovery from
Bypass mode or Converter
mode.
Action
A notification alarm is generated and the
notice is logged.
Only apply this setting when Qualify Bypass is
set to Always and utility is present, but below
the bypass undervoltage range.
Do not apply this setting if a Utility Not
Present alarm is active.
A notification alarm is generated and the
notice is logged.
Only apply this setting when Qualify Bypass is
set to Always and utility is present, but outside
the bypass frequency range.
Do not apply this setting if a Utility Not
Present alarm is active.
The UPS transfers to Battery mode if
supporting the load.
The UPS transfers to Bypass mode if
supporting the load.
The UPS transfers to Battery mode if
supporting the load.
The UPS transfers to Battery mode if
supporting the load.
The UPS transfers to Battery mode if
supporting the load.
Contact your service representative.
Troubleshooting
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