Yokogawa AQ1000 OTDR Optical Time Domain Reflectometer

Optical adapter and fiber end face: After turning off the power, open the light source port cover, remove the optical adapter (unscrew the M2 screw), wipe the fiber end face with a lint free and residue free lens cleaner, clean and reinstall the adapter (tightening torque of about 0.12N-m).

2. Troubleshooting and Error Handling

Common troubleshooting:

Troubleshooting and Solutions for Malfunctions

Check the USB-AC adapter connection (plug, power cord, DC plug) for no display during startup; Charge the battery and confirm that the POWER LED is on; Press and hold the power button for 2 seconds to force startup; If the backup files are damaged due to abnormal shutdown, long press the MENU button and press the power button until the device starts up

Screen automatically turns off to check battery level (low battery automatically shuts down); View power-saving mode settings (automatic sleep mode after no operation for the set time)

Touch screen unresponsive. Remove gloves and operate with bare hands; If there is still no response, restart the device or restore the factory settings

Error code handling: When the device displays an error code, refer to section 10.2 of the manual. For example, code 510 (PLUG CHECK Error) requires checking or cleaning the connector, and code 902 (low battery level) requires charging or replacing the battery; Hardware faults such as code 505-508 and 939-948 require contacting a Yokogawa dealer for repair.

3. Storage and consumables replacement

Storage conditions: After cleaning the equipment, it should be stored in an environment with stable temperature/humidity, no direct sunlight, minimal dust, and no corrosive gases; When not in use for a long period of time (≥ 1 month), store the battery in an environment of 10-30 ℃ after charging to avoid overdischarging.

Consumables replacement cycle:

Suggested replacement cycle for component names

The actual lifespan of the battery after 500 charging cycles is affected by the usage environment and cannot be replaced by oneself. It is necessary to contact the dealer

Backup battery (lithium battery) needs to be replaced at Yokogawa factory for 5 years

The LCD screen needs to be replaced at the Yokogawa factory after approximately 30000 hours

Ferrule plugs need to be replaced at Yokogawa factory every year

Universal adapter needs to be repurchased after 1 year

USB port needs to be replaced at Yokogawa factory after 1500 insertions and removals

4. Calibration and scrapping

Calibration cycle: It is recommended to conduct regular calibration once a year to ensure stable equipment performance and detect faults early.

Equipment scrapping: The equipment contains lithium-ion batteries and cannot be disassembled by oneself. It is necessary to contact the Henghe distributor and dispose of it according to relevant regulations.