Inspection Items

1

Leakage

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Check whether the pipes and joints leak water. Replace related components after water and power supplies are disconnected. For details about how to replace components, see Parts Replacement.

2

CDU

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Check and record the CDU running status. For details, see related documents provided by the CDU vendor.

Add more liquid working medium if it is insufficient.

3

Liquid working medium

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Perform and record the sampling inspection of the liquid working medium. Take related measures based on the inspection result.

Liquid Working Medium Inspection Criteria describes the liquid working medium inspection criteria. To replace the liquid working medium, see related documents provided by the CDU vendor.

4

CCU indicators

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• If the running status indicator is off, check whether the CCU power cable is properly connected.
• If the alarm indicator is blinking or steady on, query the status of the related sensors. For details about the alarm description and handling procedure, see Troubleshooting the Full Liquid Cooling Cabinet.

5

Water sensor

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Drop water onto the water sensor cable. If no alarm is reported, the sensor is faulty and requires replacement. For details about how to replace a water sensor, see Parts Replacement.