Vertiv SmartCabinet - Page 147

Vertiv | SmartCabinet | User Manual 138
General Maintenance
Fault Phenomenon Possible Cause Check or Remedy
Temperature unbalance
There are obstruct in the closed
aisle
Check whether the eqipment or the cables
obstruct the closed aisle
The user equipment are installed
unevenly
Refer to this manual, adjust the cabinet loads until
they are balanced
Theloadsuctuateviolentlyin
short term
Viewwhetherthelargeuctuationexistsinthe
actual loads
Door sensor alarm
The closed doors are not closed
completely
Check all closed doors and close them
The door sensor is not installed
well or damaged
Readjust the installation clearance or call the
customer service hotline of Vertiv
Water leakage detective
belt sensor alarm
There are water in the detection
belt area
Check the leaking place in the computer room
AC condensate water leakage
Check that the connection of the condensate
water pipes is reliable
PDU over-load alarm
PDU exceeds the load setpoint Check the actual load power of single PDU
The power distribution or the PDU
output has a short circuit
Check and clear up the risk of short circuit
Fan cannot start
Fan doesn’t run normally Check whether the fan MCB is closed
Fan is faulty Call the customer service hotline of Vertiv
AC high pressure alarm
Insuicientcondensingairow
Removedebrisfromcoilandairinlet;checkthe
fan speed controller for its speed regulation
performance
Condenser fan not operating
Check that the cable connections of the fan
speed controller are tight, check that the cable
connectios of the outdoor unit are tight, check that
thefanspeedcontrollerL1hasoutput;checkthat
the condensate pressure sensor works normally
Low pressure alarm
Refrigerant leakage Check for leaking place and re-charge refrigerant
Outdoor ambient temperature too
low Call the customer service hotline of Vertiv
Outdoor unit fan running at full
speed upon low outdoor ambient
temperature
Check that the L1 is connected with L in fan speed
controller;checkthatthecondensatepressure
sensor is connected with the fan speed controller
tightly
High temperature alarm
High temperature setpoint is
unreasonable
Reset the setpoint of high temperature alarm
Use in overload
Check the actual thermal power of the equipment
in the cabinet
Low temperature alarm
Low temperature setpoint is
unreasonable
Reset the setpoint of low temperature alarm