Maintenance And Troubleshooting; Maintenance; Troubleshooting - Huawei ETS3228 User Manual

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Maintenance

1. Place the FWT in a clean and dry environment. The temperature of the place should be
no higher than +55°C or lower than –10°C.
2. If the FWT is covered with dust, clean it with fine clean cloth. Do not clean it with
cleanser or other chemical solvents.
3. If the FWT does not operate normally due to a failed battery, replace the battery in time
or use the power adapter to supply the FWT with power.
4. If the FWT does not operate normally, contact the service provider.

Troubleshooting

The screen does not turn on after the FWT is powered on (the FWT is
not connected to the power adapter).
1. Make sure that the battery is installed.
2. The battery level is low. Connect the FWT to the power adapter.
The screen does not turn on after the FWT is powered on (the FWT is
connected to the power adapter).
1. The voltage output of the power adapter does not meet the requirement of the FWT.
Check whether the alternating current (AC) input is normal and the power adapter is
the approved one.
2. The external voltage of the power adapter is low or unstable, disrupting the normal
functioning of the FWT. Check whether the external voltage of the power adapter is
normal. You can also install the battery in the FWT.
The signal strength icon does not appear on the screen.
1. Make sure that the antenna is installed properly.
2. If there is still no signal, contact the service provider to check whether the FWT is in
the signal coverage area.
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Maintenance and
Troubleshooting