The battery was replaced, display went blank, how do I reset !!!

Pop the cover off and check the battery. Replace if necessary. If it still doesn't work trip the main breaker for the ac unit off wait 1 minute and turn back on. If it still does not work then you have a more technical proble. Could be a bad thermostat or control board in the ac unit.

I got to liking the Sharper Image LM521 Digital Clock so much that I finally took the time to figure out how to manually set it-it was that or toss it! The instructions are as follows:
NOTE!!!
AFTER installing fresh batteries, or removing and reinstalling the batteries:
Successively pressing the "SET" button results in steps 1.) to 11.) below, each of which describes the particular/specific LM521 clock function you you can manually set.
HOWEVER, pressing the "SET" button after the clock had been previous set and running, will start the manual clock settings from step "2.)," "SET Offset Hours..." To start from step 1.), remove and reinstall the batteries.

Sharper Image LM521 Digital Clock

PROGRAM/MANUAL SETTING MODE
After inserting the batteries:
The whole LCD screen lights up showing the different settings, etc.
After several seconds, the LCD screen clears and displays:
A flashing antenna
Upper left hand side of the LCD display. USA Time Zone Map
Middle right side of the LCD display (if necessary, to see, remove and reinsert batteries).
WAIT FOR AUTO TIME SET
A flashing antenna
> This indicates the clock is trying to auto set the time according to the WWVB radio/satellite time signal. Set on windowsill for best chance of success.
If it can't detect the signal, mannual setting is required, starting with the time zone.
> Manually set time ONLY if you are absolutely certain the WWVB signal cannot be found. Otherwise any manual time setting will be auto set to the WWVB time when its signal is detected, which may be many hours later.

SET USA Time Zone
1.) Press "SET" -- US time zone
> press "MODE" repeatedly until the desired time zone is reached.
5 = Eastern standard time (default setting)
6 = Central standard time
7 = Mountain standard time
8 = Pacific standard time
9 = Alaskan standard time

SET Offset Hours to Compensate for Satellite Signal
2.) After step 1.) above, press "SET"
A flashing "-7h" (minus 7 hours, default) and flashing USA Time Zone map appear.
This default setting worked just fine in New Mexico, MST, and may also work for your time zone as well.
> Press "MODE" to set from "-0" to "-12h" (minus 0 to 12 hours).
> Set to "-0h" if the satellite time signal set your clock to the correct time for the US time zone you live in.
> Set from "-1h" to "-12" to offset the time set by the satellite signal in case it does not match the time in your time zone. (E.g., 3pm -1h = 2pm.)
> NOTE: The default setting is -7h. If the satellite signal resets the time, say to 9pm, the time displayed will be 2pm (9pm-7h)--but if it should display 5pm instead to match your time zone, then set offset to -4h. Hence, the need to correctly set the offset hours if the -7h default value does not work for you.

SET Daylight Savings Time (DST)
3.) Press "SET" -- DST (Daylight Savings Time)
> Press "MODE" to set ON/OFF

SET Time
4.) Press "SET" (5no = seconds)
"5no" displays, plus flashing bars for seconds (not minutes as it falsely seems).
> Press "MODE" to set from 0 to 60 seconds
5.) Press "SET" (set hours)
> hour bars flash > press "MODE" to set hours
6.) Press "SET" (set minutes)
> minute bars flash > press "MODE" to set minutes

SET Date
7.) Press "SET"
> press "MODE" set year
8.) Press "SET"
> press "MODE" set month
9.) Press "SET"
> press "MODE" set day
SET Week Day
10.) Press "SET"
> press "MODE" set week day, Mom through Sun (Mo is default)

SET Standard (12) / Military (24) Time
11.) Press "SET"
> Press "MODE" set 12/24

CEILING DISPLAY:

SET/ROTATE Ceiling Projected Time/Temp Position
12.) Repeatedly press button with four tiny arrows pointing opposite each other (rightside of "DSPL" button) until the Time/Temperature display on the ceiling is oriented how you want it.

SET Ceiling Projection Brightness, or turn off
13.) Pressing button with sun symbol (leftside of "DSPL" button) cycles ceiling display from off, to brightness levels 1, 2, and 3.

SELECT between Ceiling Projected Time, Temp or Both
14.) Pressing "DISPL" repeatedly cycles between M0 (time), M1 (temperature), M2 (time & temperature auto switch every second or so).

this tells the computer that you have replaced your oil and the maint required light will stay on until you reset it

Intermatic timers might require reset-and-reprogram after battery replacement.
To reset, hold down on-off button and push reset button once.
Keep holding on-off button until display changes.
Release on-off button, and display should blink 12:00

Try cleaning battery carriage contacts with alcohol and make sure battery polarity is correct.

If functionality is not restored, then replace timer.
Intermatic EJ500 comes with 1 year limited warranty and is rated for incandescent light bulbs only.
http://waterheatertimer.org/Intermatic-timers-and-manuals.html

Here is the instructions to reset the fuser maintenance count:

HP Color LaserJet 5500/5550 Maintenance Code Reset Instructions

1. Press the ? button until the display reads "CONFIGURE DEVICE" and press ?.
2. Press the ? button until the display reads "RESETS" and press ?.
3. Press the ? button until the display reads "RESET SUPPLIES" and press ?.
4. Press the ? button until the display reads "FUSER" and press ?

This should reset your printer and clear the error message.

I hope this helps, if so please rate my solution,

BuddyMc

I had blank screen also. I placed my screwdriver between the battery terminal and battery tab and voila the screen turned on. I removed the batteries, pulled the tab out, replaced the batteries, and the thermostat is working like a champ again.

Intermatic has two slightly different ways depending on model. first way:

Press MODE until the screen displays PGM
with blanks for time.
Press DAY/DST as many times as necessary to
display 12:00 a.m. and the day(s) you want
the program to activate. Choices are:
- everyday
- weekdays only
- weekends only
- a specific day
NOTE: If you go too far, keep pressing DAY/DST to loop back
around again.
Press HOUR+ to set the hour you want the program to turn ON.
Press M+ to set the minutes you want the
program to turn ON.
Press NEXT ON/OFF to set the OFF time for the
program. The screen again displays blanks.
Press DAY/DST as many times as necessary to
display 12:00 a.m. and the day(s) you want
the program to activate.
NOTE: Since you're setting an OFF time for an
ON event already programmed, choose the
same days as in the ON event.
Press HOUR+ to set the hour you want the program to turn
OFF.
Press M+ to set the minutes you want the
program to turn OFF.
At this point you have two choices:
Press MODE if you are finished to exit from programming.
Press NEXT ON/OFF to set another program. Repeat from
Step 2 above.

Second way:

Press the MODE button one time. (PGM) will be displayed on the top left corner of the timer. We are setting the ON time for Program 1. --:-- -- 1 ON will be displayed on the screen.
Press the DAY/DST (bottom left) button to select the day or series of days the timer is to turn ON. You can either select the ASTRO time, which will adjust as the days get longer and shorter or a specific time. To use the ASTRO time press the DAY/DST until SNST appears on the screen. All seven days will be shown on the bottom of the timer.
Or to use a specific time press the DAY/DST button and select the day or series of days the timer is to turn ON.
Use the HOUR+YEAR- (bottom center) button and select the HOUR to turn the unit ON. Use the
M+ZONE+YEAR+ (bottom right) button to set the MINUTES of your on time.
Press the next ON/OFF button one time. We are now setting the OFF time for program 1. Press the DAY/DST (bottom left) to select the day or series of days of operation. To use the ASTRO time press the button until SNUP appears on your screen.
Or to select a specific time, press the DAY/DST button and select a day or series of days the unit is to turn Off.
Press the HOUR+YEAR- (bottom center) button and set the hour of your off time. Press the M+ZONE+YEAR+ (bottom right) button to select the minutes of your Off time.
For additional programs press the NEXT ON/OFF button to the next program and follow above steps. Check the unused programs to assure they are blank. To check the other programs press the NEXT ON/OFF button, you should see --:-- -- on the screen. If a time appears press and release the DAY/DST button until the --:-- -- appears. Repeat this step thru Program 7 off.
Press the MODE button. (AUTO) will appear on top center of screen.

If you cannot program, try to reset the whole timer:

Press the RESET and the NEXT ON/OFF buttons at the same time. Release the buttons and wait for 1200 to start blinking.

SkyScan 86715:
>Press "SET" once,
>>press "+" until you see your time zone;
-4 ATL-Atlantic
-5 EST-Eastern
-6 CST-Central
-7 MST-Mountain
-8 PST-Pacific
-9 ALA-Alaska
-10
-11
-12
-6MT-?
>Press "SET" once,
DST ON/Off
>Press "SET" once,
US - duh, huh
F - MER-Mercredi, French
E - MIE-Miércoles, Spanish
>Press "SET" once,
>>press "+", for correct hour
>Press "SET" once,
>>press "+", for correct minute
>Press "SET" once,
Range 00-20; 09 = 2009
>Press "SET" once,
Month
>Press "SET" once,
Day
>Press "SET" once,
Day of the Week
>Press "SET" once,
12 or 24 hour
>Press "SET" once,
Fahrenheit or Celsius
>Press "SET" once again - DONE!!!
.
The clock should now display "month/day/day of the week/moon phase/Temperature"
.
NOTE: Moon phase and Seconds will correct on first reception from Coordinated Universal Time (UTC)
.
Lastly,
Press "+" once,
Temperature changes to seconds
>>Press "+" once,
Temperature returns on right-most panel and
seconds replaces day of the week.
>>Press "+" one last time and you are back to done!!!
.
Thanks,
.
[email protected]

figure out where yu are north south west east zones on your map from where yu are , then pull battery again it should stop at for eight or twelve push time zone then set in a window facing your zone it should automatically pick it up shortly in awhile
sw i think it may stop at four also but then wait

Push the "mode" button twice to enter the time change function. Once the display is blinking keep pushing the mode button until you see the "pm" icon on the LCD display. When that happens set the clock as you normally would using the 1-4 keys.

Remember to check if the 12 hour clock is set to AM or PM.

Good luck.