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SHENZHEN TRANSCOM TECHNOLOGY LIMITED / 303, Building 4, Fantasia MIC Plaza,Nanshan District,Shenzhen,China.
Tel: +86 755 88278677 / Fax: +86 755 26029402 / Web: www.sz-transcom.com
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Chapter 3 Maintenance and Troubleshooting
3.1 Routine operation and maintenance
3.1.1 Cleaning of connector
The optical output interface of 5302 Series OTDR is a universal optical interface that can be replaced.
During the service process, it is necessary to keep the face clean. When the normal curve cannot be tested
by the instrument or the test results are inaccurate, clean the connector firstly.
Make sure that cleaning is carried out when the OTDR and the visual red fault positioning function are
stopped. Unscrew the output interface and wipe the connection face with a special paper towel or cotton
swab dipped by alcohol.
Besides, when the instrument is not in use, cover the dust cap and keep it clean.
3.1.2 Routine maintenance of internal battery
The battery inside the 5302 Series OTDR is a dedicated lithium battery. When first use of this instrument,
supply electricity through the battery; when the battery is completely discharged, charge the battery. The
first time of charging time should be more than 8 hours. For your safety use, multiple protection measures
on the battery voltage, charge current, charge temperature, etc have been set in the internal charging circuit.
The battery charging temperature range is 0
℃ ～
50
℃
. When the ambient temperature is too high, the
charge will be automatically stopped. When the instrument is not in use for a long time, charge the battery
on regular basis. It is recommended to charge the battery once every 2-3 months to ensure the best
performance of the battery.
3.1.3 Cleaning of instrument screen and calibration
The display of 5302 series OTDR is a 3.5-inch color LCD with touch screen. Do not click on the LCD with a
sharp object when in use, otherwise, it may cause damage to the LCD screen.
Clean the LCD screen with a soft fabric. Do not clean the LCD screen with organic solvents, otherwise, it
may cause damage to the LCD screen.
3.1.4 Calibration
During normal use of the instrument, it is recommended that the 5302 Series OTDR should be calibrated
once every two years. For the details about the calibration, please contact the instrument supplier.
3.2 Faults and solutions
Table 3-1 Faults and solutions
