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.

Problem

Possible Reason

Maintenance Method

The unit has no power

1.Low battery

Recharge the battery or replace with new one

2.Bad connection between AC/DC adaptor and socket

Connect the unit with AC/DC adaptor correctly

3.The external power is not plugged in the socket

Check if the external power is correctly connected

 

The working time of unit is short

1.The battery gradually aging due to too long time using

Replace the battery

2.Low power

Recharge the battery fully

 

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

2.The clock cell is aging due to long time using

Replace the clock cell

 

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

2.The temperature outside is higher than 45 or lower than 0

Prolong the recharging time, but do not charge more than 16 hours

 

The unit cannot upload the measurement curves data to a PC

1.USB Driver is not correctly installed

Install the USB driver correctly

2.USB or RS232 cable is damaged

Replace USB/ RS232 cable

3.Trace Manager Software Edition does not match the software edition inside the unit

Install the latest "Trace Manager" software edition

 

The measurement distance is very close, or the trace is too noisy.
Possible Reason

1.The connector interface or optic port is dirty

Clean the connector attached to the unit and the interface of tested fiber

2.The ceramic split sleeve inside the connector is broken

Replace the connector or the ceramic split sleeve of the unit

 

LCD of the unit displays slightly and unclearly

1.The contrast of LCD is unsuitable

Adjust the contrast of LCD

 

FAQ for SLS, VLS, OPM, OLT, OFI

The unit has no power

1.Low battery

Replace the battery

2.Bad connection between AC/DC adaptor and socket

Connect the unit with AC/DC adaptor correctly

3.The external power is not plugged in the socket

Check if the external power is correctly connected

 

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

2.The ceramic split sleeve inside the connector is broken

Replace the connector or the ceramic split sleeve of the unit

 

 

 

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

 

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

2.Incorrect clamp side

Change to the correct side of the clamp according to the instruction in user's manual

 

FAQ for OFS

Display "Wait Download."

1.Button cannot rebound

Power off. Test buttons rebound

 

Clean XX Fiber

1. Fibers are dirty

Splice after cleaning fibers

2. V grooves are dirty

Splice after cleaning V grooves

3. Fiber presser foot is dirty

Splice after cleaning presser foot

4. Fiber holders are dirty

Splice after cleaning holders

5. Lenses are dirty

Splice after cleaning lenses

6. Other parts touching with fibers are dirty

Splice after cleaning any other parts possibly touching with fibers

 

No ARC

1. Electrodes placing error

Reload electrodes

2. Electrodes are oxidized over its life

Clean electrodes or replace with a new pair

 

High splicing loss

1. Fibers are dirty passing the limit of checking process

Splice after cleaning fibers

2. Cleave angle is too big

Re-cleave fibers till you get a good cleave angle

3. Calibration not done

Perform calibration please

4. “10 AT1 loss splice mode” is using

Change to AUTO mode

5. Electrodes are oxidized over its life

Clean electrodes or replace with a new pair

6. Lenses are dirty

Splice after cleaning lenses

7. Other parts touching when fibers are dirty

Splice after cleaning any other parts possibly touching with fibers

 

Unable to charge

1. Battery is broken

Check with a good Battery

2. Adapter is broken

Check with a good Adapter

3. Charge cable is broken

Check with a good charging cable

4. Ports have bad connection

Reconnect charging port

 

XX fiber is too far

1. Fiber is broken

Reload new fiber

2. Fiber placing error

Replace fiber

3. Backward tension is on fiber

Let outside fiber free

4. Cleave length is short

Cleave fiber longer

5. Fiber holder is not tight

Tighten fiber holder

 

Arch bridge splice

1. The cleaved face of fiber is dirty (dust, oil, and so on)

Splice after cleaning fibers

2. Bad cleave

Re-cleave fibers to get the good cleave angle

 

Fibers are not clear on LCD monitor

1. Fibers are dirty

Clean fibers

2. V-grooves are dirty

Splice after cleaning V grooves

3. Fiber press foot is dirty

Splice after cleaning press foot

4. Fiber holders are dirty

Splice after cleaning holders

 

Black display

1. Mirror is broken

Check to see if the mirror is good

2. Windshield is opening

Check to see if the windshield is closed or the magnet has dropped

 

ARC offset

1. Calibration n not done

Do calibration process

2. Electrodes placing error

Check and replace electrodes

3. Electrodes are broken

Clean electrodes or replace with a new pair

4. Electrodes are oxidized over its life

Clean electrodes or replace with a new pair

 

Feeding device is jerky

1. Backward tension is on fiber

Free outside fiber

2. Fiber holder is not tight

Tighten fiber holder

 

Smoke is flowing out of heater

1.After heating several times, oil film will be steamed out.

This is normal

 

Notified turn off cover when the windshield is closed

1. The magnet on windshield is missing

Glue a new one in

 

Notified replace electrodes

1.Software problem

On page 3 in MENU, select stabilize electrodes

 

Black shadow in middle of screen

1. Electrodes placing error

Replace electrodes