1
Disconnect the equipment from mains power
Turn off the power supply to the equipment.
2
Open the cover
Remove the cover to access the timer.
3
Release the timer from the rail
Insert a small flat-head screwdriver into the bottom of the timer (in the red clip) and gently pull down to release the timer from the rail.
4
Pull out and turn the timer
Once released, gently pull the timer out, as far as the connected wires allow, and turn it to reach the back.
5
Replace the battery
Find the cover over the AA battery and open it. Replace the AA battery (1 pc.).
6
Reassemble
Reassemble in reverse order.
7
Set up the timer
Set the clock and the on/off groups as described in Programming.
8
Power on the equipment
Reconnect the equipment to mains power.