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

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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 days. I have set the clock time and it is in auto mode. It is now 7:45 PM. I have plugged the extention cord connected to the lights into the timer and the timer into the outlet. The lights do not go on. Where have I gone wrong?

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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.

Posted on Dec 04, 2013

  • kmoelhoff Oct 21, 2015

    Thanks for the tip. I was scratching my head. This seems like a design flaw.

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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

Posted on Dec 03, 2010

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Some ideas:

Did you test the lights to ensure that they work without the timer?
Are you sure that all times are set properly, especially am & pm parts of the start time and the actual time of day?
Otherwise it sounds like you did the right thing.

Posted on Dec 03, 2010

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1 Answer

How do you delete a program Intermatic hb88rc


Try removing battery, and then reprogram timer.

Some timers are reset when battery is removed.
Newer digital timers keep programs in memory when battery is removed, but in that case the instruction manual shows steps for resetting timer and deleting programs.

The HB88RC manual does not show steps for deleting programs or resetting timer.
http://waterheatertimer.org/Intermatic-timers-and-manuals.html#hb88

Sep 21, 2011 | Intermatic HB88RC - 7-Day Programmable...

1 Answer

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.

Dec 18, 2010 | Intermatic HB88RC - 7-Day Programmable...

2 Answers

I need instructions on how to program the timer. Can you sent via e-mailm a copy of the instructions? Thank you.


You posted under Intermatic HB88RC 6 button timer:
Add a comment any time.

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

If your timer is different, check timers on link below to identify your timer.
Each timer on page has manual
http://waterheatertimer.org/Woods-timers-and-manuals.html#6-24

geno_3245_165.jpg 6 button 7-day

Dec 10, 2010 | Intermatic HB88RC - 7-Day Programmable...

1 Answer

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.

Dec 10, 2010 | Intermatic HB88RC - 7-Day Programmable...

1 Answer

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.

Dec 05, 2010 | Intermatic HB88RC - 7-Day Programmable...

1 Answer

Intermatic Timer HB88RC unable to program it following instructions. Will not turn on in Automatic mode. Works fine in manual On mode.


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

These timers are frustrating sometimes, fortunately this timer can be unplugged to set programs under good lighting.
When I have problems, I set it down for a while and then go back to it later.
Right now I own 25-30 different Intermatic, Woods, GE, Utilitec timers for testing and programming difficulties. Each one offers different points that are confusing.

Some new timers are simply defective. One guy today had 2 defective Woods timers, which made me suspect electric line needs line analysis. You might try your timer in another plug, for example indoor plug in another part of house to double check line is not interfering with timer electronics.

Reading HB88RC manual, there is not Dusk-dawn option, and programming steps are pretty straightforward compared with other timers.
This leads me to believe there is some small thing missed or line is bad, or timer is defective.
Return it if it's defective.

Here are some trip-up points, and they may not apply to you.

1) Current day has to be set. Hold clock button down while setting current time.

2) When programming, each event requires ON time and OFF time. For example event1 ON has to be set and then event1 OFF has to be set. Then set event2 ON and then event2 OFF.

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

Now I frequently e-mail Intermatic asking for manual clarification, and they e-mail back ... sometimes their manuals are a little bit off here and there. But this manual looks clean and matches what I see in other timers.

4) Each ON time requires OFF time for same choice of days. For example ON 7pm Tuesday and OFF 9pm All-days-of-week will not work correctly.

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

6) Conflicts in programming cause some timers to skip programming: For example event1 says ON
at 7 pm Tuesday and OFF 9pm Tuesday, but event2 says opposite.

7) Since manual override works correctly, we know Load is functioning, and we know plugs on timer are working. Timer load can be lighting or pumps or heaters, but manual does not specifically say florescent. So timer MIGHT not work for compact florescent bulbs. If you have CFL bulb, try another type of Load: for example incandescent table lamp.

And that's everything I know, like Bubba Gump shrimp.

Nov 25, 2010 | Intermatic HB88RC - 7-Day Programmable...

1 Answer

Cannot remember how to program it and have lost those instructions


HB88RC is Intermatic outdoor timer with 2 receptacles
Manual is on following page:
Choice of EZ set instructions and full manual
http://www.intermatic.com/products/timers/consumer%20outdoor%20timers/digital%20timers/hb88rc.aspx

In few years, this manual may not be available.
To download copy to your computer.
- Open manual
- Go to File at top of browser
- Click 'Save' or 'Save page as' depending on browser
- Title and save the pdf manual

If this is not your timer, add a comment with brand and description.

Nov 20, 2010 | Intermatic HB88RC - 7-Day Programmable...

1 Answer

How to set times for Model #HB88RC


I have found the instructions for your model

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

I hope that is this will help resolve your issue

Jan 14, 2010 | Intermatic HB88RC - 7-Day Programmable...

2 Answers

Programing


Here is a link to the instructions for easy setting your unit:

HB88RC Timer

Hope this helps!

Dec 06, 2008 | Intermatic HB88RC - 7-Day Programmable...

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