Vertiv Tech SmartCabinet2-E Series - Troubleshooting

SmartCabinet2-E Series Computer Room Solution Product User Manual
Chapter 4 Maintenance 77
Alarm contents
Possible cause
Handling method
Air conditioner high
pressure alarm
Insufficient air conditioner condensing
air volume
Remove impurities from the surface of the coil or near the air inlet;
Check the speed regulation performance of the fan speed
controller
Air conditioner condenser fan does not
turn
Check if the fan speed controller wiring is loose; Check if the
outdoor wiring is loose; Check if the fan speed controller L1 has
output; Check if the condensing pressure sensor is normal
Low pressure alarm
Refrigerant leak
Find leaks and replenish refrigerant
The ambient temperature outside the
cabinet is too low
Call the Vertiv Technical Service Hotline
High temperature
alarm
High temperature alarm setting is
unreasonable
Reset the high temperature alarm value
Overloaded
Check the actual heating power of the equipment in the cabinet
Low temperature alarm
Low temperature alarm setting is
unreasonable
Reset the low temperature alarm value
Temperature sensor
communication failure
alarm
Temperature sensor communication
cable is broken
Check the temperature sensor cable connection, restore cable
plug
Temperature sensor damage
Call the Vertiv Technical Service Hotline
Lightning protection
alarm
SPD failure
Call the Vertiv Technical Service Hotline
UPS fan abnormal
UPS internal fan is not working
properly
Call the Vertiv Technical Service Hotline
UPS rectifier abnormal
Main circuit input instantaneous high
voltage
Check the input utility power, restart the UPS equipment after
troubleshooting
Output load is abnormal
Check load type
Hardware damage
Call the Vertiv Technical Service Hotline
UPS inverter abnormal
Inverter output short circuit
Check the UPS output cable, restart after troubleshooting
Hardware damage
Automatically switch to bypass mode, call the Vertiv technical
service hotline
UPS ECO bypass
abnormal
The ECO mode is enabled, and the
bypass voltage and frequency are
outside the setting range.
Check bypass input, is the voltage and frequency within the set
ECO bypass range?
4.5 Troubleshooting
Table 4-5 Troubleshooting
Fault Phenomena
Possible cause
Handling method
Imbalanced
temperature
Sealed passage area is obstructed
Check whether the sealed aisle area is blocked by equipment or
cables.
User equipment installation is uneven
Adjust the load of each cabinet to the balance according to the
requirements of the user manual.
Severe fluctuations in the short term
Check if the actual load has a wide range of fluctuations
The fan cannot start
The fan is not operating normally
Check if the fan MCB is open or not
Fan failure
Call the Vertiv Technical Service Hotline