Huawei NetCol5000-A020, User Manual

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NetCol5000-A020 Air Cooled In-row Precision Air
Conditioner
User Manual
5 System Operation and Maintenance
Issue 01 (2014-06-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
96
− If no, go to Step 2 .

If there are no alarms, go to Step 2 .
Step 2
Check for any startup requirement for humidifier on the LCD.
Tap Running > Status to check whether the humidifier is started.

If no, tap Settings > System Settings > T/H Sensor , set the humidify to environmental
hu 5%, then the humidifier can run normally, troubleshooting is complete. If
does not run, go to
Step 3 .

If yes, go to Step 3 .
Step 3
Check whether the humidification function is enabled.

If no, tap Settings > System Settings > System Control to enable the humidification
function and check whether the fault is rectified.
− If yes, troubleshooting is complete.
− If no, go to Step 4 .

If yes, go to Step 4 .
Step 4
Check whether the circuit breakers are switched on.

If no, switch on the circuit breakers and check whether the fault is rectified.
− If yes, troubleshooting is complete.
− If no, go to Step 5 .

If yes, go to Step 5 .
Step 5
Check whether the humidifier cylinder is damaged.

If yes, replace the humidifier cylinder by referring to 5.6.4 Replacing the Humidifier
Cylinder and then check whether the fault is rectified.
− If yes, troubleshooting is complete.
− If no, go to Step 6 .

If no, go to Step 6 .
Step 6
Contact Huawei technical support.
----End
5.5.6 The Heating Function Is Unavailable
Possible Causes

The electric heater alarm exists.

An electric heater does not need to start.

Electric heater function is not enabled.

The electric heater temperature switch is being protected.

The circuit breaker of electric heater is not switched on.

An electric heater is burnt out.