Vertiv™ | Liebert® XDO | User Manual
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7.3. Troubleshooting and Fault Handling of Cooling System
When a cooling system component fails, analyzed and dealt with the cause immediately to avoid the abnormal operation of
the units. The troubleshooting and fault handling of the cooling system are provided in the
Table 7-3 Troubleshooting of the Key Components of the EEV
Symptom
Possible Causes
Items to be Checked or Handling Method
Condensation on
the surface of the
evaporator
Whether the
surface of the
evaporator is dirty
and blocked
Check the cleanliness of the surface of the evaporator. Dirt
blockage on the surface may cause the condensate not to drain
properly.
Airflow volume is
reducing
Dirty and blocked
filter net
Regularly check the cleanliness of the filter and replace it to avoid
reduction of air volume caused by clogging of dirty filter.
Fan failure
Check whether the fan is malfunctioning.
Dirty or blocked
evaporator
Check the cleanliness of the surface of the microchannel
evaporator, and clean it regularly.
