Vertiv™ eSure™ Rectifier Module User Manual
Proprietary and Confidential © 2022 Vertiv Group Corp.
14
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Protection Indicator (Yellow) Flashing
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Alarm Indicator (Red) ON
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Alarm Indicator (Red) Flashing
Table 3.1
Rectifier Troubleshooting
Symptom
Possible Cause(s)
Suggested Action(s)
Power Indicator
(Green) Off
No input voltage.
Make sure there is input voltage.
Internal input fuse open.
Replace the rectifier.
Protection Indicator
(Yellow) On
AC input under/over voltage.
Correct the AC input voltage to within the acceptable range.
PFC under/over voltage.
Replace the rectifier.
Moderate load sharing imbalance.
Check if the rectifier is properly seated in the shelf. If this does not
correct the fault, replace the rectifier.
Rectifier not inserted into the slot
completely.
Remove and properly insert the rectifier.
Rectifier over-temperature
protection.
Fan rotor blocked: remove any object that may be blocking the fan.
Ventilation blocked (inlet or outlet): remove any object that may be
blocking the inlet or outlet.
Ambient temperature too high or rectifier inlet too close to a heat
source: lower the ambient temperature or relocate the heat source.
Rectifier in ECO Standby Mode
when ECO Mode is active in
controller.
--
Protection Indicator
(Yellow)
Flashing
Loss of communication with
controller (the rectifier can
provide power).
Check the communication cables.
Remove and properly insert the rectifier.
Alarm
Indicator
(Red) On
Severe load sharing imbalance.
Rectifier output disabled for any
reason, including overvoltage
shutdown and internal output
fuse open.
Turn AC power to the rectifier off or remove the rectifier, wait 30
seconds or more (until the LEDs on the rectifier extinguish), then turn
the AC power to the rectifier on or re-insert the rectifier. If rectifier
fails to start, shuts down again, or load sharing imbalance persists;
replace the rectifier.
Rectifier addresses contradictory. Replace the rectifier.
Alarm Indicator
(Red) Flashing
Fan not operating (rectifier shuts
down).
Replace the rectifier.
