Module No. 5631

Troubleshooting

I can’t pair the watch with a phone.

Q1‏I’ve never been able to establish a (pairing) connection between the watch and phone.

Are you using a supported phone model?

Check if the phone model and its operating system are supported by the watch.
For information about supported phone models, visit the CASIO Website.

https://world.casio.com/os_mobile/wat/

Did you install CASIO WATCHES on your phone?

CASIO WATCHES needs to be installed on your phone in order to connect with the watch.

Are your phone’s Bluetooth settings configured correctly?

Configure the phone’s Bluetooth settings. For details about setting procedures, see your phone documentation.

iPhone Users

  • “Settings” arrowR “Bluetooth” arrowR On
  • “Settings” arrowR “Privacy” arrowR “Bluetooth” arrowR “CASIO WATCHES” arrowR On

Android Users

  • Enable Bluetooth.

Other than the above.

Some phones need to have BT Smart disabled to use CASIO WATCHES. For details about setting procedures, see your phone documentation.

On the Home Screen, tap: “Menu” arrowR “Settings” arrowR “Bluetooth” arrowR “Menu” arrowR “BT Smart settings” arrowR “Disable”.

I can’t reconnect the watch and phone.

Q1‏The watch will not re-connect with the phone after they are disconnected.

Is CASIO WATCHES running?

The watch cannot re-connect with the phone unless CASIO WATCHES is running on the phone. On your phone’s Home Screen, tap the “CASIO WATCHES” icon. Next, on the watch, hold down (C) for at least 1.5 seconds.

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Have you tried turning your phone off and then back on again?

Turn your phone off and then back on, and then tap the “CASIO WATCHES” icon. Next, on the watch, hold down (C) for at least 1.5 seconds.

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Q2‏I can’t connect while my phone is in the Airplane Mode.

Connection with the watch is not possible while the phone’s Airplane Mode is enabled. After disabling the phone’s Airplane Mode, go to the phone’s Home Screen and tap the “CASIO WATCHES” icon. Next, on the watch, hold down (C) for at least 1.5 seconds.

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Q3‏I changed the phone’s Bluetooth from enabled to disabled, and now I can’t connect anymore.

On your phone, re-enable Bluetooth, and then go to the Home Screen and tap the “CASIO WATCHES” icon. Next, on the watch, hold down (C) for at least 1.5 seconds.

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Q4‏I can’t connect after turning off the phone.

Turn your phone off and then back on, and then tap the “CASIO WATCHES” icon. Next, on the watch, hold down (C) for at least 1.5 seconds.

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Phone-Watch Connection

Q1‏I can’t establish a connection between the phone and watch.

Have you tried turning your phone off and then back on again?

Turn your phone off and then back on, and then tap the “CASIO WATCHES” icon. Next, on the watch, hold down (C) for at least 1.5 seconds.

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Has the watch been re-paired with the phone?

After deleting pairing information from CASIO WATCHES, re-pair them.

If you are unable to establish a connection...

Use the procedure below to delete the pairing information from the watch, and then re-pair the watch and phone.

Hold down (D) for at least two seconds to enter the Timekeeping Mode.

Hold down (A) for at least two seconds until the name of the currently selected Home City is displayed.

Press (D) twice to cause the seconds digits to flash.

Hold down (B) for at least two seconds. Release it when [CLR] stops flashing. This deletes the pairing information from the watch and returns to the timekeeping display.

Changing to a Different Phone Model

Q1‏Connecting the current watch to another phone.

Pair the watch with the phone.

Auto Time Adjustment by Bluetooth Connection (Time Adjustment)

Q1‏When does the watch adjust its time?

The watch will connect with the phone and perform auto time adjustment at around 12:30 a.m., 6:30 a.m., 12:30 p.m. and 6:30 p.m. The connection is automatically terminated after auto time adjustment is complete.

Q2‏Auto time adjustment is not performed at a scheduled time.

Is auto time adjustment not being performed according to its normal schedule?

Note that auto time adjustment is not performed for 24 hours after swapping of the Home Time and World Time, or after the time setting is adjusted manually on the watch. Auto time adjustment will resume 24 hours after either of the above operations is performed.

Is a stopwatch or timer operation being performed?

Auto time adjustment will not start at the scheduled times if a stopwatch or timer operation is in progress. Stop the stopwatch or timer operation.

Is auto time adjustment enabled?

Auto time adjustment will not be performed at the scheduled times unless it is enabled. Enable auto time adjustment.

Q3‏Even if I press (C), the watch does not sync its time setting with my phone.

Time setting syncing will not be performed if you press (C) while a stopwatch elapsed time measurement operation or a timer countdown operation is in progress. After the ongoing stopwatch or timer operation is stopped, press (C) again.

Q4‏Time is not displayed correctly.

The phone’s time setting may be incorrect because it is unable to connect with its network due to being out of range, etc. If this happens, connect the phone to its network and then adjust the time setting.

Alarms and Hourly Time Signal

Q1‏An alarm and/or the hourly time signal do not sound.

Is the watch’s battery charged?

Keep the watch exposed to light until it recharges sufficiently.

Other than the above.