Vertiv NetSure R48-3000e3 User Manual

Vertiv | NetSure Rectifier Module User Manual (UM1R483000e3) | Rev. 1.0
18
TROUBLESHOOTING AND REPAIR
Troubleshooting
Rectifier Current Sharing Imbalance
When multiple rectifiers are operating in parallel and the load is greater than 20%, if the current
sharing imbalance among them is greater than 3%, check if the rectifier is properly seated in the
shelf.
If the current sharing imbalance still persists following the verification suggested above, replace the
rectifier exhibiting the current imbalance.
Rectifier Fault Symptoms and Troubleshooting
The fault indicators that can be displayed by the rectifier are as follows.
Refer to Table 7 for a list of possible causes and corrective actions.
• Power Indicator (Green) Off
• Protection Indicator (Yellow) ON
• Protection Indicator (Yellow) Flashing
• Alarm Indicator (Red) ON
• Alarm Indicator (Red) Flashing
Table 7: Rectifier Module 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 module.
Protection
Indicator
(Yellow) On
AC input voltage
outside the normal
range.
Correct the AC input voltage to within the
acceptable range.
PFC over voltage.
Replace the rectifier module.
Moderate load
sharing imbalance.
Check if the rectifier module is properly
seated in the shelf. If this does not correct
the fault, replace the rectifier module.
Rectifier module not
inserted into the slot
completely.
Remove and properly insert the rectifier
module.
Rectifier module over-temperature protection, which could be
caused by:
1. Fan rotor blocked.
1. Remove any object that may be blocking
the fan.
2. Ventilation blocked
(inlet or outlet).
2. Remove any object that may be blocking
the inlet or outlet.

Vertiv NetSure R48-3000e3 Specifications

General

Brand	Vertiv
Model	NetSure R48-3000e3
Category	Power Supply
Language	English