Intermatic HB88RC - 7-Day Programmable Outdoor Timer - 15 Amps - 120 VAC Li Logo

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Phil Prichard Posted on Nov 26, 2011

HB88RC does not work in auto mode

I bring this timer out once per year to control outdoor Christmas lighting. I have placed a new AA battery in the timer. Set the clock time, and set Event 1 to come on all 7 days of the week at 5PM and go off at 11 PM. After programming, I press the clock button. when I scroll through the modes (Off, On, Auto, Random) it does not turn on the lights in the Auto mode. I have to manually set the mode to "on" for the relay to click and the lights to come on. I am following the manual directions ( I think ). I have even repeated everything by unplugging it, removing the battery, replacing it, and re-programming it again...but still the same results. Lights only come on when I place the mode in "on". I always set the clock time first...then program event 1 for all seven days. Am I doing something wrong???

3 Related Answers

Anonymous

  • 561 Answers
  • Posted on Feb 12, 2010

SOURCE: inspiron 8500 laptop (80GB) intermittant boot failure

Hi

Thank you for your query

If there is a clicking noise inside then the hard drive is on the way out, the arm that reads the data is knocking against the plates, thus the noise

I would recommned that you back your data as soon as possible as the drive will eventually fail


Please can i ask that you leave feedback and vote if this has been useful

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Anonymous

  • Posted on Dec 03, 2010

SOURCE: I have a HB88RC Intermatic 7 day / 7 event timer.

I have 6 Intermatic timers in my office now, and test all brands of timers for programming and wiring difficulties.
Usually I avoid questions about new timers that don't work ... because customers are dissatisfied when there's no clear solution or timer is busted.
However this sounds like Christmas emergency, so I will give my best here.

With troublesome timers:
1) I write out instructions while pushing timer buttons.
2) Work on it later
3) Pull out battery for 30 seconds to reset and reprogram until thing makes sense.
4) Some timers are simply defective.
One guy last week had HB88RC that skipped over automatic, so MODE button must have been bad.

Another guy today had 2 defective timers, which made me suspect receptacle needs line analysis.
a) Plug timer in another part of house to double check line is not interfering with timer electronics.

b) HB88RC programming steps are straightforward compared with other timers.
This leads me to believe there is some small thing missed or line is bad, or timer is defective.

Here are trip-up points that might apply to you.

c) I suggest take battery out for 30 seconds and start over.

d) Current day has to be set.
Hold clock button down while setting current day-hour-minute.
Current time displays when timer is operable, and keeps time when set.

e) When programming, each event requires ON time and OFF time.
You understand this concept.
For example event1 ON has to be set and then event1 OFF has to be set.
Then set event2 ON and then event2 OFF.

Press program button until 1 ON displays. Press day button until all-days show > Hour 4pm > MIN :30
Press program button until 1 OFF displays. Press day button until all-days show > Hour 11pm > MIN :30

d) When programming is complete, press Clock button. Current time displays.
Press MODE button to set to automatic.

e) When programming, check screen carefully to make sure 1ON appears, and then 1OFF appears in screen exactly like Fig1 and Fig3.

f) Each ON time requires OFF time for same choice of days. For example ON Tuesday and OFF All-days-of-week will not work correctly.

g) ON 7pm Tuesday and OFF 7pm Tuesday will not work.

h) Conflicts in programming cause some timers to skip programming: For example event1 says ON
7 pm Tuesday and OFF 9pm Tuesday, but event2 says opposite. This is why I suggest resetting timer.

i) Does manual override work correctly? Press MODE button until ON-OFF shows. Are lights burned out? If MODE button does not override timer and turn Load on-and-off, then I suspect timer is busted. Plug in different type of light and try MODE button again.

j) Plug another type of light into timer, for example table lamp. Christmas lights are incandescent or LED. Timer manual does not include or exclude LED or CFL bulbs. Some timers work with specific types of Loads, but this timer manual doesn't exclude certain Loads.

EZ manual at Intermatic:
http://www.intermatic.com/~/media/files/intermatic/products/other/timers/hb88rc%20-%20easy%20set%20instructions.ashx
Full manual:
http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/hb88rc%20-%20english.ashx

dick97811

Dick Silvano

  • 1 Answer
  • Posted on Dec 04, 2013

SOURCE: I have a HB88RC Intermatic 7 day / 7 event timer.

Just program it as noted previously and put the timer in Auto. Set the clock to 1 min BEFORE your earliest timer program is set to come on. When the clock hits the correct time, it will turn on. Then set the clock to the correct time and you're golden.

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Related Questions:

0helpful
1answer

I am trying to clear a time on my timer and can't figure it out. Please help Thank you marilyn

Try removing AA battery from back of timer.

Question posted under HB88RC 6-button outdoor plug-in timer with battery compartment located on back of timer.
Instruction manual does not say how to reset timer.
Other newer timers are rest by removing battery.
HB88RC is replaced by newer HB8800 series with lifetime warranty.

If you have a different timer, then open following sources to identify timer:
http://waterheatertimer.org/Woods-timers-and-manuals.html#6-24
http://waterheatertimer.org/Intermatic-timers-and-manuals.html#hb88

Take a moment and vote on answer:
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.
1helpful
1answer

I have the timer programmed but what mode should it be in Off, Auto or Random? I had it in Auto but the timer did not start at 10 am as programmed! Help!

HB88RC is discontinued timer, replaced by 2-outlet HB800RCL or 1-outlet HB800RCH.
Timer functions should work in AUTO.
Try resetting timer by removing AA battery, reinstall fresh battery, and then reprogram timer.
When programming is finished, press clock button and timer should be in AUTO mode and current time displayed.
If you want to change mode, then press mode button. When exiting mode, press clock button and timer should be back in AUTO mode.
If functionality does not restore, then timer has gone bad.
http://waterheatertimer.org/Woods-timers-and-manuals.html#6-24
http://waterheatertimer.org/pdf/hb88rc.pdf
0helpful
1answer

Had to change battery. Since I did this the day will scroll several times and will not let me set the day, nor the time, nor the mode. Is my unit toast ?? As it was working till I changed the battery.

Most digital timers suggest resetting as last-step effort to restore functionality.
This particular timer is reset by removing battery.
Try removing battery again. Otherwise it seems the timer has gone bad.
HB88RC is discontinued product.
Replacement is heavy-duty Intermatic HB800RCL 2-outlet or HB800RCH 1-outlet timer.
http://www.smarthome.com/25078/Intermatic-HB800RCL-Heavy-Duty-Digital-Appliance-Timer/p.aspx
http://www.smarthome.com/48715/Intermatic-HB800RCH-Outdoor-Digital-Timer/p.aspx

Less expensive and less reliable timer Woods 59403 with 1-outlet has quite a few 'timer won't work' questions on fixya.
http://www.amazon.com/Woods-59403-Heavy-Duty-Outdoor-Digital/dp/B002KS7EOK
http://waterheatertimer.org/Woods-timers-and-manuals.html#6-24
0helpful
1answer

I am trying to st the timer to turn on at 5PM and turn off at 11PM.

You posted under Intermatic HB88RC timer
If you have different timer, add a comment

HB88RC timer manual:
http://waterheatertimer.org/pdf/hb88rc.pdf

HB88RC programming Instructions:
Install AA battery in timer so display will show, and you can program

Set clock:
Hold down clock button.
Press day button until current day displays.
Press Hour button until current hour displays.
Press min button until current minute shows.
Release clock button

Program timer:
Press PROG button until 1 ON displays
This is Event1 ON
Press Day button until selected day or days displays for event1 ON
If you want all week long, then press day button until all days show: MO TU WE TH FR SA SU
Press Hour button until 5pm shows >> this is event1 ON
Press Min button until :00 displays for event1 ON

Press PROG button until 1 OFF displays
This is Event1 ON
Press Day button until selected day or days displays for event1 OFF
Match days with ON time: so press day button until all days show: MO TU WE TH FR SA SU
Press Hour button until 7pm displays >> this is event1 OFF
Press Min button until :00 displays for event1 OFF

When programming is finished, press clock button to display current time

When programming is finished, press MODE button to select MODE > you want AUTO for timer programs to operate
Press MODE button once and this is manual override, and lights come on.
Press MODE button again and RDM displays, this is for random timer operation
Press MODE button 3rd time, and timer is set to AUTO
After setting MODE to auto, press clock button to display current time.

Plug timer into receptacle.
Plug lights into timer.
0helpful
1answer

I DON'T KNOW HOW TO PROGRAM THE TIMER I'VE LOST THE MANUAL. I NEED TO SET IT MON- SUN FROM 7PM TO 12PM IT SHOWS: 1 ON THIS IS WHERE I HIT HOUR & PUT 7:00PM THEN I HIT PROGRAM IT SAYS 1 OFF I HIT...

You posted under Intermatic HB88RC timer
If you have different timer, add a comment

HB88RC timer manual:
http://waterheatertimer.org/pdf/hb88rc.pdf

Here's HB88RC programming from the top:
Remove batrery from back of timer to reset timer and clear everything.
Re-install AA battery in timer so display will show, and you can program

Set clock:
Hold down clock button.
Press day button until current day displays.
Press Hour button until current hour displays.
Press min button until current minute shows.
Release clock button

Program timer:
Press PROG button until 1 ON displays
This is Event1 ON
Press Day button until selected day or days displays for event1 ON
If you want all week long, then press day button until all days show: MO TU WE TH FR SA SU
Press Hour button until 7pm shows >> this is event1 ON
Press Min button until :00 displays for event1 ON

Press PROG button until 1 OFF displays
This is Event1 ON
Press Day button until selected day or days displays for event1 OFF
Match days with ON time: so press day button until all days show: MO TU WE TH FR SA SU
Press Hour button until 12pm displays >> this is event1 OFF
Press Min button until :00 displays for event1 OFF

When programming is finished, press clock button to display current time

When programming is finished, press MODE button to select MODE > you want AUTO for timer programs to operate
Press MODE button once and this is manual override, and lights come on.
Press MODE button again and RDM displays, this is for random timer operation
Press MODE button 3rd time, and timer is set to AUTO
After setting MODE to auto, press clock button to display current time.

Plug timer into receptacle.
Plug lights into timer.

Add a comment any time.
A lot of folks have written in about this timer going bad and they have been unable to program the timer. Of course most timers work perfectly fine.
3helpful
1answer

Have the timer set on Auto but lights are not on during the ON period. Also do I need to set times for all 7 periods?

No, you do not need to set all 7 timer events.
When event1 ON and event1 OFF are set, press CLOCK button to exit programming and save programs. Or press PROGRAM button and move to event2 ON and event2 OFF. Exit programming any time by pressing clock button.
http://www.intermatic.com/products/timers/consumer%20outdoor%20timers/digital%20timers/hb88rc.aspx

That being said, if events conflict with each other, timer will not operate.
For example event1 ON FR at 7pm and event1 OFF all-days at 11pm.
The days have to match for on-off times.

Another example event1 ON FR at 7pm and event1 OFF FR 11pm, but event2 ON all days 8pm event2 OFF all days 10pm. This overlap will cause timer to skip programs.

If timer is being used in random mode, timer programs cannot be closer than 1/2 hour apart.

When programming is done, press clock button to display current time.
Timer should be ready to go.
Manual is fuzzy at this point, and does not specifically say, but it appears that you only press MODE button when you want to set another mode beside auto.
I e-mailed Intermatic last week about this unclear spot because several folks are writing in about this timer not going into correct MODE after programs are set.
MODE must be set to automatic
Press MODE button once for manual override function
Press MODE again and RDM displays for random >> this is for lights turning on randomly when on vacation.
Press MODE button third time, and AUTO shows on display >> you want timer in AUTO for timer programs to operate.
Here's the trick ... after setting MODE to auto, press clock button to display current time

If timer will not enter AUTO, then timer is defective.
If Intermatic sends response that is pertinent to your question, I will post again on this thread.
Add a comment any time, and I will respond.
0helpful
1answer

Set timer for the 7-day outdoor timer i.e. 5:00 pm on and 9:00 p.m. off Also set the clock ~ should it be left 'on' for the timer to work? Have lost the manual our programmer

Outdoor timers
http://www.intermatic.com/products/timers/consumer%20outdoor%20timers/digital%20timers.aspx

HB88RC timer
http://www.intermatic.com/products/timers/consumer%20outdoor%20timers/digital%20timers/hb88rc.aspx

HB88RC Manual:
http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/hb88rc%20-%20english.ashx

Timer takes AA battery installed from back
Instructions say: Set timer to AUTO using MODE button. This will let programs run.
To override current program, press MODE once for ON-or-OFF override.
Press MODE again to enter RDM or random mode. RDM shows on display.
Press MODE third time for AUTO. Usually, AUTO will show on display.
2helpful
1answer

I have set program 1 on and off times and program 2 on and off times but do not know what mode to choose to get it to work!!

People are writing in with problems about HB88RC.
Problems seem to revolve around MODE button and setting automatic for timer to operate programming.

One guy said his timer skipped over automatic.
Another fellow today reported that timer programs would not work.

So maybe your timer has similar problem.
I'm going to e-mail Intermatic with recent information.
I need clarification on your exact question.
Intermatic generally e-mails back and is concerned with their products and customers.

That being said, let's look at your timer problem.
When you finish programming 1 and 2, press Clock button to exit programming and current time shows on display.
At this point, timer should function.

According to manual:
If you press MODE button once, timer will enter override, and lights will turn on.
Press MODE button again, RDM shows on screen and timer enters random mode and lights turn on-off randomly so it looks like folks are home.
Press MODE again and timer returns to Automatic and programs 1 and 2 should run.

Add a comment and let me know what is happening so I can report to Intermatic.
I will post results on this thread.
2helpful
3answers

I have a HB88RC Intermatic 7 day / 7 event timer. I have followed the "easy set instructions" I have program 1 set to turn on X-mas lights at 4:30 PM and go off at 11:30 PM. For all seven...

Just program it as noted previously and put the timer in Auto. Set the clock to 1 min BEFORE your earliest timer program is set to come on. When the clock hits the correct time, it will turn on. Then set the clock to the correct time and you're golden.
0helpful
1answer

On my intermatic HB88RC,I replaced the battery because it was dead and now it shows 44:44 on the display can this be reset?

http://www.intermatic.com/products/timers/consumer%20outdoor%20timers/digital%20timers/hb88rc.aspx

HB88RC 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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