Troubleshooting
Signal Reception (Time Calibration Signal)
Q1The watch cannot perform a receive operation.
Is the watch’s battery charged?
Signal reception is not possible while battery power is low. Keep the watch exposed to light until it recharges sufficiently.
Is auto time adjustment enabled?
Time signals cannot be received while auto time adjustment is disabled. Enable auto time adjustment to perform receive operations.
Is your time zone setting correct for your location?
The watch will not indicate the correct time if the time zone setting is wrong. Change your time zone setting so it is correct for your location.
After checking the above, the watch still cannot perform a receive operation.
Time calibration signal reception is not possible under the conditions described below.
- When watch is at Level 2 power saving
- When the crown is pulled out
If successful reception is not possible for some reason, you can adjust the time and day settings manually.
Q2The signal receive operation always fails.
Is the watch in a location that is appropriate for signal reception?
Check your surroundings and move the watch to a location where signal reception is better.
Did you avoid touching the watch while the receive operation was in progress?
Minimize movement of the watch and do not perform any watch operation while a receive operation is in progress.
Is the signal transmitter in your area transmitting a signal?
The transmitter of the time calibration may not be transmitting a signal.
Try again later.
Q3Signal reception should have been successful, but the watch’s time and/or day is wrong.
Is the time zone where you are using the watch specified correctly?
Specify the time zone where you are using the watch.
Is the hand and/or day indicator alignment correct?
Adjust hand and/or day indicator alignment.
After checking the above, the time and/or day settings is still wrong.
Adjust time and day settings manually.
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.
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”
“Bluetooth” 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” “Settings” “Bluetooth” “Menu” “BT Smart settings” “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 the phone’s Home Screen, tap the “CASIO WATCHES” icon. Then on the watch, hold down (A) for at least 2.5 seconds. Release the button when the second hand moves to [C].
Have you tried turning your phone off and then back on again?
Turn the phone off and then back on, and then tap the “CASIO WATCHES” icon. Next, on the watch, hold down (A) for at least 2.5 seconds. Release the button when the second hand moves to [C].
Q2I can’t connect while my phone is in the Airplane Mode.
Connection with the watch is not possible while the phone is in the Airplane Mode.
After exiting the phone’s Airplane Mode, go to the phone’s Home Screen and tap the “CASIO WATCHES” icon. Then on the watch, hold down (A) for at least 2.5 seconds. Release the button when the second hand moves to [C].
Q3I can’t establish a connection after disabling the watch’s auto time adjustment feature.
On the watch, enable auto time adjustment, and then hold down (A) for at least 2.5 seconds. Release the button when the second hand moves to [C].
Q4I changed the phone’s Bluetooth from enabled to disabled, and now I can’t connect anymore.
On the phone, disable and then re-enable Bluetooth, and then go to the Home Screen and tap the “CASIO WATCHES” icon. Next, on the watch, hold down (A) for at least 2.5 seconds. Release the button when the second hand moves to [C].
Q5I can’t connect after turning off the phone.
Turn on the phone and tap the “CASIO WATCHES” icon. Then on the watch, hold down (A) for at least 2.5 seconds. Release the button when the second hand moves to [C].
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 the phone off and then back on, and then tap the “CASIO WATCHES” icon. Next, on the watch, hold down (A) for at least 2.5 seconds. Release the button when the second hand moves to [C].
Has the watch been re-paired with the phone?
After unpairing the watch and phone, 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.
Pull out the crown to the second click.
Hold down (A) for at least 10 seconds.
This deletes the pairing information. The second hand will point to [C].
Push the crown back in.
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 is 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 performed, but the time setting is not correct.
Is auto time adjustment not being performed according to its normal schedule?
Note that auto time adjustment is not performed for 24 hours after you change the city setting, or after you manually adjust the time setting on the watch. Auto time adjustment will resume after 24 hours.
Is auto time adjustment enabled?
Auto time adjustment will not be performed at the scheduled times unless it is enabled. Enable auto time adjustment.
Q3Time 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.
Hand Movement and Indications
Q1The second hand is jumping at two-second intervals.
Battery power is low. Keep the watch exposed to light until it recharges sufficiently.
Q2All hands are stopped and buttons do not work.
The battery is dead. Keep the watch exposed to light until it recharges sufficiently.
Q3The hands suddenly start moving at high speed.
This is due to one of the reasons below, and does not indicate malfunction. Simply wait until normal hand movement resumes.
- The watch is recovering from a power saving state.
- A time calibration signal is being received and the time setting is being adjusted.
- Watch is connected with a phone to adjust its time setting.
Q4Hands are stopped and buttons do not work.
Battery power is low. Wait until the recovery process is complete (about 15 minutes). The watch will recover more quickly if you place it in a brightly lit location.
Q5Why is the current time indicated by the watch is off by a certain amount of time (nine hours, three hours and 15 minutes, etc.)?
The city setting is not correct. Select the correct setting.
Q6The current time indicated by the watch is off by one hour or 30 minutes.
The summer time setting is not correct. Select the correct setting.
Q7The hand and/or day indicator are not aligned correctly.
Strong magnetism or impact can cause the hands and/or the indicator to go out of alignment. Adjust hand and/or day indicator alignment.
- Check the information below to find out how to align the hands and/or day indicator manually.
Crown Operations
Q1Nothing happens when I rotate the crown.
If you do not perform any operation for about two minutes after pulling out the crown (approximately 30 minutes in the case of hand and day indicator alignment), crown operations will automatically become disabled. Push the crown back in to its normal position and then pull it out again to re-enable crown operations.
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