FMUSER INTERNATIONAL GROUP INC.
广州市汉婷生物科技开发有限公司
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Chapter 5 Troubleshooting
For guarantee the products’ quality, reliability and stability. All FMUSER products
have passed the testing and inspection before shipping out from factory. The testing
and inspection scheme already covers all the Optical, Electronic and Mechanical
criteria which have been published by FMUSER. To prevent potential hazard,
please strictly follow the operation conditions.
Prevention Measure
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Installing the device at the place in which environment temperature between 0 to
45 °C
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Making sure good ventilation for the heat-sink on the rear panel and other
heat-sink bores if necessary
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Checking the input AC within the power supply working range and the
connection is correct before switching on device
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Checking the RF output level varies within tolerant range if it is necessary
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Checking all signal cables have been properly connected
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Frequently switching on/off device is prohibited; the interval between every
switching on/off must greater than 10 seconds.
Conditions need to unplug power cord
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Power cord or socket damaged.
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Any liquid flowed into device.
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Any stuff causes circuit short
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Device in damp environment
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Device was suffered from physical damage
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Longtime idle.
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After switching on and restoring to factory setting, device still cannot work
properly.
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Maintenance needed
