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DT300, I charged the battery, can set the program, but not the clock.

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DT300 shows re-chargeable battery, I didn't know there was a replaceable battery.
http://waterheatertimer.org/pdf/DT300-series-manual.pdf

Add a comment with photo of your timer and battery to exactly identify product
http://www.fixya.com/support/r6568559-post_photograph_fixya_questions_answers

Try resetting timer.
Other Intermatic timers with battery have to be reset after battery change if timer does not function, but all these timers come with industry standard 1 year limited warranty and most go bad within a few years, although some last several years.

Add a comment with your experience so others with same-similar problem can benefit.

Also 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.

Posted on Apr 03, 2011

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I can not set up my Digital Lamp Timer model DT300


Copy following link to identify timer and download possible manual.
http://waterheatertimer.org/Intermatic-timers-and-manuals.html#DT300

Reset timer to clear memories.
This is older timer no longer manufactured.
If functionality is not restored after reset, the internal rechargeable battery may be bad.
Don't buy used timers from ebay.

Replace with newest line of inexpensive timers: choose from 1-2 outlets, grounded or polarized. Outlets have same programming schedule.
http://waterheatertimer.org/Woods-timers-and-manuals.html#50009
http://waterheatertimer.org/Woods-timers-and-manuals.html#59377

Apr 05, 2013 | Hardware & Accessories

1 Answer

Program headset in to NEC DT300 phone


how do i connect head set in nec dt 300 series phone ?
and is there any configuration needed for that ?

Mar 27, 2013 | NEC Univerge Dtl-12d-1 680002 Dt300 Refurb...

1 Answer

How to program digital timer


Timer is not identified.
Question posted next to image of DT300 digital timer.

Open following links to identify timer and download possible manual.
http://waterheatertimer.org/Intermatic-timers-and-manuals.html#DT300
http://waterheatertimer.org/pdf/DT300-series-manual.pdf

If you have different timer, then add a comment and describe the timer in detail for possible identification and instruction.

If you need somebody to read the manual and tell you what it says, then take advantage of fixya live service where expert speaks with you via phone while you program timer.

Sep 29, 2011 | RTO Intermatic DT300CL 8.3 Amp Seven Day...

1 Answer

Intermatic digital lamp timer dt300. I can only get to set it to 24 hour. it does not go to 12 hour when i reset and then hold down the clock button. what am i doing wrong?


There is no repair for defective timer.
The DT300 is sold under at least 3 different brands and product numbers, and each manual shows identical steps for choosing 12H and 24H format.

The manual says to press and hold CLOCK button until display shows 24H. Then press HOUR button to change to 12 hour format.
I am guessing this step cannot be done if timer has programming in memory, so timer has to be reset first by pushing in reset button for a few moments.

Open following links to identify timer and download manual:
http://waterheatertimer.org/Intermatic-timers-and-manuals.html#DT300
http://waterheatertimer.org/pdf/DT300-series-manual.pdf

Add a comment for more help

Take a moment and rate answer for accuracy:
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.

Sep 14, 2011 | Intermatic Hardware & Accessories

1 Answer

Problem #1. On model #DT300 the instructions under Set Time of Day # 3 does not change the day. The only place I can get the day/s to change is under the programming. What is wrong with it. I have...


Thank you for very clear question, and timer identification.
1) I don't have repair for defective timer.
http://waterheatertimer.org/Intermatic-timers-and-manuals.html#DT300
http://waterheatertimer.org/pdf/DT300-series-manual.pdf

2) Choose DT300 format
#3 says to press-and-hold CLOCK button until display shows 24H or 12H
Then release CLOCK button.
Next press HOUR button to select either 12H or 24H
This lets you choose am-pm format -or- choose military-time format where 11pm is 23

3) Set current time
Press-and-hold CLOCK button throughout whole current time setting.
Do not release CLOCK button until current time settings are finished.
Next, press HOUR button, and then MINUTE button, and then DAYS button until current hour, minute and day display.
Then release CLOCK button.
If this step does not work, then timer has gone bad.
Replace with locally available Utilitec 155671 from Lowes or Westek TE06WHB from Target
http://waterheatertimer.org/Woods-timers-and-manuals.html#59377

4) How to set DT300 timer program for full week of operation.
Each program requires you to set program 1 ON time and program 1 OFF time
Be careful to avoid program conflicts and overlaps so timer works as expected.

For program 1 ON time, you press PROGRAM button until 1 and ON display.
Release Program button.
Then select hour, minute and days. In this case you want all days of week, so you keep pressing DAYs button until whole week displays: Mo Tu We Th Fr Sa Su

Then you set program 1 OFF time, you press PROGRAM button again until 1 and OFF display.
Release Program button.
Then select hour, minute and days. In this case you want all days of week, so you keep pressing DAYs button until whole week displays: Mo Tu We Th Fr Sa Su

If you set ON time for all days of week, and OFF time for Tu Tuesday, then timer will not work correctly.

5) Read manual and add a comment for additional help

Aug 18, 2011 | Hardware & Accessories

2 Answers

I have an Intermatic DT300CH, how do I set the day of the week?


Intermatic DT300 is same timer as Woods 59203 and GE 15091
Open following link to identify timer and download manual:
http://waterheatertimer.org/GE-timers-and-manuals.html#15091
http://www.waterheatertimer.org/pdf/DT300-series-manual.pdf
To set days, look at #5 ... go down to step 3 where it says 'press the DAYS button to choose the day or groups of days..."

Apr 17, 2011 | Solar Intermatic Digital Lamp Timer

2 Answers

How do I program the timer to turn on and off at specified times?


You need to program the timer so it turns on-off at specified times.

But first we need to identify your timer for sure.
Have a look at link below.
http://waterheatertimer.org/Woods-timers-and-manuals.html#59203
If your timer does not show, then add a comment with description of timer.
I have extensive files on timers.

Intermatic DT300, GE 15091, and Woods 59203 are the same timer.

Here are instructions for Woods 59203:
Plug timer in until battery is recharged.
If display will not show, then timer battery needs to be plugged into outlet for 1 hour until internal battery is recharged, or timer is bad, or electric circuit is tripped off, or electric circuit heeds to be tested with circuit analyzer.

Once display shows, then unplug timer for programming.
Set current time:
Press and hold CLOCK button.
Press HOUR and MINUTE to set correct time with am and pm.
Press Day button to set current day.
Release clock button.

Program timer:
Press PROGRAM button until "1 ON" displays. This is program1 ON.
Press MINUTE and HOUR buttons to set ON time for program1
Press DAY button to choose day or group of days for program1 ON

Press PROGRAM button until "1 OFF" displays. This is program1 OFF
Press MINUTE and HOUR buttons to set OFF time for program1
Press DAY button to choose day or group of days for program1 OFF

Press PROGRAM button until "2 ON" displays. This is program2 ON.
Repeat steps above to set ON and OFF time for 5 programs.

When programming is completed, press CLOCK button to exit programming.
Press ON/AUTO/OFF button until Auto displays.

Make sure lamp is turned on.
Make sure bulb is good.

If instructions don't fit your timer, then add a comment with model number or full description and I'll post those instructions.
Also you can take advantage of Fixya phone service where expert speaks with you over the phone for a price.

Dec 21, 2010 | RTO Intermatic DT300CL 8.3 Amp Seven Day...

2 Answers

I lost the instructions to program my intermatic digital lamp timer, model:DT300 Can you help me?


http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/dt300.ashx

The DT300 is not available from Intermatic
I guess they discontinued the timer
If internal battery will not charged, then the timer is no longer good

Oct 24, 2010 | Intermatic Hardware & Accessories

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