Oregon Scientific WS902 User Manual

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EN
5
TROUBLESHOOTING
The below table lists out some of the problems you could encounter.  If you are unable to solve the problem, contact the 
Customer Care Centre in your country.  Contact us via www2.oregonscientific.com/service/support.asp
Problem
Possible cause
Solution / Remarks
The unit does not 
work
Power supply?
Ensure plug has been properly inserted into the wall socket
Ensure there is no power failure.  Check by connecting 
another appliance to the wall socket
The unit does not 
work
Normal use
This is normal as the light bulb generates heat.  However, 
ensure there is enough ventilation and vents are not 
covered as this can pose a fire hazard.
When setting 
functions, the unit 
does not respond
Normal use
Press RESET at the base of the unit or remove and reinsert 
plug into wall socket.  The appliance will then be reset to 
factory default settings.
The light does not 
work
Light intensity is too low?
Press     to increase light intensity
Alarm function disabled?
Ensure alarm time is displayed on LCD screen.  Press 
ALARM to enable.
Light bulb is defective?
Replace the light bulb.
Light bulb not properly 
screwed in?
Unscrew and screw in the light bulb again.
Lamp does not turn
on again immediately 
after it has been
switched off
Normal operations
Allow 3 seconds for the lamp to dim.  Please wait until the 
lamp reaches the preset intensity level
No sound when the
alarm goes on
Alarm function disabled?
Ensure alarm time is displayed on LCD screen.  If -:- - is 
displayed, press ALARM to enable.
Radio is defective?
If radio has been selected for alarm mode, check that radio 
works.  Press RADIO after you disable the alarm or press 
ALARM.
The radio is 
defective / produces 
a crackling sound
Positioning of external 
antenna?
Change position of external antenna if necessary.
Broadcast signal is weak?
Press     RADIO TUNE     to search for the correct signal.
Alarm did not activate 
today, but it did 
yesterday
Alarm function disabled?
Ensure alarm time is displayed on LCD screen.  If -:- - is 
displayed, press ALARM to enable.
Power failure?
Perhaps there was a power failure which lasted longer than 
the capacity of the back up system?  The display will show 
an incorrect time and alarm will be 00:00.  Do settings 
again.
The light wakes me
too early / late
Location of unit is not 
suitable?
It is recommended that the unit is not placed too far and not 
lower than your head while in a sleeping position.  Make 
sure the light is not blocked by bed, duvet or pillow.
Snooze does not 
work
Distance?
Wave your hand in front of the SNOOZE SENSOR at a 
distance range of approx. 1cm to 8cm (0.5 to 3 in).
LCD backlight is too 
weak to see
Display brightness?
Slide DISPLAY BRIGHTNESS to HIGH.
There is no sound 
after plugging to an 
external source
External device?
Make sure external device is playing.
Connection?
Make sure cable is firmly connected with the external 
device and the unit.