http://www.intermatic.com/products/timers/consumer%20outdoor%20timers/digital%20timers/hb88rc.aspxHB88RC is 7-day plug-in digital outdoor timer that uses AA battery installed on back of timer to power the display.
People write to fixya frequently report Intermatic timer stops working after replacing battery.
To check if your timer is still functional:
Press and hold clock button.
Press Day button until current day shows in display.
Press Hour until current hour shows in display
Press MIN until current minute show in display
Release clock button.
If current time shows in display, then timer is probably still good.To set programs:
step 1) Press PROG button until 1 and ON show on display.
This is program1 ON.
Press day button until choice of days shows for program1 ON
Press hour until hour for program1 ON shows
Press MIN until minute for program1 ON shows.
step 2) Press PROG button until 1 and OFF show on display
This is program1 OFF.
Press day button until choice of days shows for program1 OFF
Press hour until hour for program1 OFF shows
Press MIN until minute for program1 OFF shows.
step 3) Press PROG button until 2 and ON show on display
Repeat steps above to set program2 thru program7
step 4) When programs are set, press CLOCK button to return to current time
step 5) add a comment for more help
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