Philips AE2330 - Manual (Page 16)

No power
Ensure that the battery is installed properly. •
Replace the exhausted battery. •
Timer does not work
Set the clock correctly. •
Switch on the timer. •
No sound
Adjust the volume. •
Clock/timer setting erased
Replace the exhausted battery. •
Reset the clock/timer. •
No response from the unit
Take out the batteries and turn on the unit again. •