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FAQ for OTDR, OTM, OTS Notice: For battery protection and performance, please charge only when battery remaining capacity is low, or adapter should be unplugged. Irregular charging operation may seriously shorten battery life. |
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Problem |
Possible Reason |
Maintenance Method |
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The unit has no power |
1.Low battery |
Recharge the battery or replace with new one |
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2.Bad connection between AC/DC adaptor and socket |
Connect the unit with AC/DC adaptor correctly |
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3.The external power is not plugged in the socket |
Check if the external power is correctly connected |
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The working time of unit is short |
1.The battery gradually aging due to too long time using |
Replace the battery |
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2.Low power |
Recharge the battery fully |
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The date and time of the unit cannot be saved |
1.The calendar is set wrong |
Open the unit and set the date and time again |
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2.The clock cell is aging due to long time using |
Replace the clock cell |
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The recharging time is less than 2 hours, then switch to trickle charge |
1.The voltage output of AC/DC adaptor is lower than 13.8V |
Replace a correct AC/DC adaptor at 13.8V |
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2.The temperature outside is higher than 45℃ or lower than 0℃ |
Prolong the recharging time, but do not charge more than 16 hours |
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The unit cannot upload the measurement curves data to a PC |
1.USB Driver is not correctly installed |
Install the USB driver correctly |
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2.USB or RS232 cable is damaged |
Replace USB/ RS232 cable |
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3.Trace Manager Software Edition does not match the software edition inside the unit |
Install the latest "Trace Manager" software edition |
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The measurement distance is very close, or the trace is too noisy. |
1.The connector interface or optic port is dirty |
Clean the connector attached to the unit and the interface of tested fiber |
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2.The ceramic split sleeve inside the connector is broken |
Replace the connector or the ceramic split sleeve of the unit |
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LCD of the unit displays slightly and unclearly |
1.The contrast of LCD is unsuitable |
Adjust the contrast of LCD |
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FAQ for SLS, VLS, OPM, OLT, OFI |
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The unit has no power |
1.Low battery |
Replace the battery |
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2.Bad connection between AC/DC adaptor and socket |
Connect the unit with AC/DC adaptor correctly |
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3.The external power is not plugged in the socket |
Check if the external power is correctly connected |
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The measurement is not correct or has no value |
1.The connector interface or optic port is dirty |
Clean the connector attached to the unit and the interface of tested fiber |
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2.The ceramic split sleeve inside the connector is broken |
Replace the connector or the ceramic split sleeve of the unit |
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The measurement of optical power is not correct |
1.The connector interface or optic port is dirty |
Cean the connector attached to the unit and the interface of tested fiber |
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The OFI cannot identify the optical signal correctly |
1.Incorrect position for the tested fiber in the clamp groove |
Locate the tested fiber into the clamp groove properly |
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2.Incorrect clamp side |
Change to the correct side of the clamp according to the instruction in user's manual |
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FAQ for OFS |
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Display "Wait Download." |
1.Button cannot rebound |
Power off. Test buttons rebound |
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Clean XX Fiber |
1. Fibers are dirty |
Splice after cleaning fibers |
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2. V grooves are dirty |
Splice after cleaning V grooves |
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3. Fiber presser foot is dirty |
Splice after cleaning presser foot |
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4. Fiber holders are dirty |
Splice after cleaning holders |
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5. Lenses are dirty |
Splice after cleaning lenses |
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6. Other parts touching with fibers are dirty |
Splice after cleaning any other parts possibly touching with fibers |
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No ARC |
1. Electrodes placing error |
Reload electrodes |
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2. Electrodes are oxidized over its life |
Clean electrodes or replace with a new pair |
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High splicing loss |
1. Fibers are dirty passing the limit of checking process |
Splice after cleaning fibers |
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2. Cleave angle is too big |
Re-cleave fibers till you get a good cleave angle |
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3. Calibration not done |
Perform calibration please |
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4. “10 AT1 loss splice mode” is using |
Change to AUTO mode |
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5. Electrodes are oxidized over its life |
Clean electrodes or replace with a new pair |
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6. Lenses are dirty |
Splice after cleaning lenses |
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7. Other parts touching when fibers are dirty |
Splice after cleaning any other parts possibly touching with fibers |
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Unable to charge |
1. Battery is broken |
Check with a good Battery |
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2. Adapter is broken |
Check with a good Adapter |
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3. Charge cable is broken |
Check with a good charging cable |
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4. Ports have bad connection |
Reconnect charging port |
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XX fiber is too far |
1. Fiber is broken |
Reload new fiber |
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2. Fiber placing error |
Replace fiber |
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3. Backward tension is on fiber |
Let outside fiber free |
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4. Cleave length is short |
Cleave fiber longer |
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5. Fiber holder is not tight |
Tighten fiber holder |
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Arch bridge splice |
1. The cleaved face of fiber is dirty (dust, oil, and so on) |
Splice after cleaning fibers |
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2. Bad cleave |
Re-cleave fibers to get the good cleave angle |
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Fibers are not clear on LCD monitor |
1. Fibers are dirty |
Clean fibers |
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2. V-grooves are dirty |
Splice after cleaning V grooves |
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3. Fiber press foot is dirty |
Splice after cleaning press foot |
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4. Fiber holders are dirty |
Splice after cleaning holders |
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Black display |
1. Mirror is broken |
Check to see if the mirror is good |
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2. Windshield is opening |
Check to see if the windshield is closed or the magnet has dropped |
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ARC offset |
1. Calibration n not done |
Do calibration process |
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2. Electrodes placing error |
Check and replace electrodes |
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3. Electrodes are broken |
Clean electrodes or replace with a new pair |
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4. Electrodes are oxidized over its life |
Clean electrodes or replace with a new pair |
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Feeding device is jerky |
1. Backward tension is on fiber |
Free outside fiber |
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2. Fiber holder is not tight |
Tighten fiber holder |
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Smoke is flowing out of heater |
1.After heating several times, oil film will be steamed out. |
This is normal |
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Notified turn off cover when the windshield is closed |
1. The magnet on windshield is missing |
Glue a new one in |
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Notified replace electrodes |
1.Software problem |
On page 3 in MENU, select stabilize electrodes |
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Black shadow in middle of screen |
1. Electrodes placing error |
Replace electrodes |
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