Question about Electric Intermatic Wh 21 Water Heater Timer

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My timer stays on all the time and the dial is not moving! any suggestions?

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  • Electric Master
  • 5,089 Answers

The clock motor might have gone bad.
Open following link for WH21 troubleshoot
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-WH21-timer.html

Posted on May 30, 2012

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Posted on Jan 02, 2017

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Lights come on but don't stay on even though the tabs are set for it to stay on say from 4-12 it will go off at 7:30. Someone got thier hands on this before i did---could the tabs have been broken if...


GM40 is commercial-grade electronic time piece with FM1 analog timer dial.
I bought a used GM40 once and the electronics were bad, so if this is a used timer, it might not function as expected.

I don't think the tabs/pins are broken. FM1 timer module is heavy duty.
Turning the dial clockwise does not damage timer. That's how you set current time and test timer.
Rotating dial counterclockwise is not possible without breaking the timer.
http://waterheatertimer.org/How-to-set-timers.html
http://waterheatertimer.org/pdf/Intermatic-Grasslin-gm40.pdf

FM1 analog timer module can be replaced if timer stopped working.
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#FM1

If certain pins/tabs are broken, you might be able to work around problem by offsetting current time by 6 hours or 12 hours. Or you can move wires from NO to NC terminals and see if the relays are causing a problem.

To set FM1 timer, the pins are pushed outward or inward.
For example to turn on Load for 1 hour, then 4 consecutive pins are moved.
To turn on Load for 3 hours, then 12 consecutive pins are moved.
To test if pins need to be inward or outward, set some pins and then manually rotate timer dial clockwise and watch when the Load turns on-off.

Jun 19, 2011 | Intermatic GM40 - 24 Hour/7-Day Dial...

Tip

Setting Your Timer




1. Move the control lever to the OFF-CLEAR position for about 20 seconds. The red indicator light will go off and any previ- ous time settings will be cleared from memory.
Program Using "Quick" Method:
2. Move the control lever to the ON position. The Red indicator light will start fashing.
3. Rotate the time dial clockwise at least one click, stopping at the half hour nearest to the present time.
NOTE: During programming, be careful not to press the dial while turning it. If you press the dial, you will ac- cidentally set a wrong time.
4. Press the dial once to set the present time. The Red indicator light will go off.
5. Rotate the time dial clockwise to the frst desired ON time. The Red light will pulse momentarily with each click.
6. Press the dial once to enter the ON time. The light controlled by the switch timer will turn ON.
7. Rotate the time dial clockwise to the desired OFF time.
8. Press the dial once to enter the OFF time. The light controlled by the switch timer will turn OFF.
Repeat Steps 5-8 for each additional ON/OFF setting. Continue to rotate the time dial until the Red indicator light comes ON and stays ON, indicating that the switch timer is in AUTOMATIC mode

on Oct 06, 2009 | RTO Intermatic Inc Ej351c Timer Night...

1 Answer

I have a hager eh 110 time switch on my pool and I cant set it. Any clues?


Hagar EH 10 is 230V analog time switch.
EH010 is 1" wide.

1) See large image of EH010
http://www.bewdirect.co.uk/home/m/Shop/id/3985/page/1/

2) See large image that explains how to set EH-010
http://waterheatertimer.org/images/EH-010-image-1000.jpg

3) With analog timers, there is a movable dial that rotates with fingers.
Pins or segments are located around edge of dial.
Segments are moved one direction or the other to set on-off times.
After segments are set, the dial is rotated to match current time.
The dial rotates as time passes, and segments move a switch that opens and closes electric circuit.

4) EH-010 is different.
Usually analog dial is located on face of timer like a clock face.
However EH-010 is only 1" wide, so dial is perpendicular to front of timer and is rotated with thumb.

5) I suggest setting a few segments one direction or the other and then manually rotate dial full circle to watch when pool equipment turns on-off.
This will tell you if segments should be set right or left.
I have not seen this particular timer, but it appears as if times on printed on edge of timer dial.

6) Timer has 240V clock motor.
So Hot line wires from circuit breaker connect to terminals 1 and 2.
This powers clock motor so dial rotates as time passes.

240V Line and 240V Load wires are connected as shown in image below:
geno_3245_275.jpg

Feb 10, 2011 | Electrical Supplies

1 Answer

We have the intermatic timer Model EJ351 and when I go to set the timer at the beginning it does not flash. It is when I start from off to on. Mary Ann


Mary Ann:

It appears that it will start flashing when you move from off to on. Here are the directions from the web site.

Gary




Move the control lever to the OFF-CLEAR position for about

20 seconds. The red indicator light will go off and any previous

time settings will be cleared from memory.

Move the control lever to the ON position. The Red indicator

light will start flashing.

Rotate the time dial clockwise at least one click, stopping at

the half hour nearest to the present time.

NOTE: During programming, be careful not to press the

dial while turning it. If you press the dial, you will accidentally

set a wrong time.

Press the dial once to set the present time. The Red indicator

light will go off.

Rotate the time dial clockwise to the first desired ON time.

The Red light will pulse momentarily with each click.

Press the dial once to enter the ON time. The light controlled

by the switch timer will turn ON.

Rotate the time dial clockwise to the desired OFF time.

Press the dial once to enter the OFF time. The light controlled

by the switch timer will turn OFF.

Repeat Steps 5-8 for each additional ON/OFF setting.

Continue to rotate the time dial until the Red indicator light

comes ON and stays ON, indicating that the switch timer is in

AUTOMATIC mode.

Dec 02, 2010 | Solar Intermatic Ej351c Indoor Wall Switch...

2 Answers

I bought a house with a Night Sentry Solid State Timer model # EJ341 and have no instructions on setting or programming the unit.


rapid Programming.
1. Move control lever to OFFCLEAR for at least 5 seconds
• red indicator light goes off
• all time settings are
erased.
2. Move control lever to ON.
• red indicator light will start
flashing.
3. Check a clock; then turn pushbutton time dial clockwise at least one click.
• stop at the half hour nearest to present time (note
AM or PM).
Note: When turning pushbutton time dial, do NOT
accidentally PRESS at the same time.
4. Press pushbutton time dial once to enter present time.
• red indicator light goes off (present time has been
recorded).
5. Turn pushbutton time dial clockwise to desired
ON time.
• red indicator light blinks with each click.
6. Press pushbutton to enter ON time.
• controlled light(s) will turn on.
7. Turn pushbutton time dial clockwise to desired
OFF time.
• red indicator light blinks with each click.
8. Press pushbutton time dial to enter OFF time.
• controlled light(s) turn off.
9. Repeat 5-8 for other on/off times.
10.Turn pushbutton time dial for at least 2 more turns
from the first ON time to complete this program
• red indicator light will turn on and stay on (steady
light means timer is in automatic).
Note: Pushbutton time dial does not turn
automatically after setting to indicate time of day

Aug 22, 2010 | Hardware & Accessories

1 Answer

Timer will run when flipped on manually


THE YELLOW DIAL MOVES THE HAND STAYS IN THE SAME SPOT POINTED DOWN AND NEVER MOVES, THESE ARE A TUFF TIMER AND TO SET IT YOU MUST LIFT OUT ON THE YELLOW DIAL TO SET THE TIME AND THE DIAL SHOULD SPRING BACK TO THE GEAR TO RUN , MAKE SURE THE DIAL IS SET IN THE GEAR BY TURNING LIGHTLY LEFT AND RIGHT . LOOK ON THE BACK OF THE TIMER MOTOR AND MAKE SURE IT THE 208 - 277 VOLT . IF THATS THE VOLTAGE YOU ARE NEEDING FOR YOUR PUMP ONE MORE THING MAKE SURE THE GEAR FROM THE MOTOR IS MESHING WITH THE BIG GEAR THAT RUNS THE TIMER, THESE TIMERS GET RETURNED TO THE STORE WITH A BAD MOTOR IN THEM AND THEY JUST STICK THEM BACK ON THE SHELF.. IF YOU NEED A NEW TESTED ON I FOUND THEM HERE..YOU CAN LOOK THREW THE LITTLE WINDOW TO SEE THE GEARS TURNING ON THE CLOCK .. IF NOT ..Intermatic Timer Motor WG1573 / WG1573-5 clock POOL FIX ON EBAY TO INSTALL THIS MOTOR REMOVE SCREW ON LEFT AND JUST BACK SCREW ON RIGHT A FEW TURNS, TIMER WILL ROCK UP OUT OF BASE THIS WAY . UN-HOOK WIRES ONE AT A TIME AND INSTALL WIRES FROM NEW MOTOR ONE AT A TIME.. THESE TWO WHITE WIRES GO TO LINE 1 AND 2 THESE ARE THE WIRES THAT GO TO THE 220 VOLT BREAKER ... NEED MORE HELP JUST GIVE ME A BUZZ. .. VOTE PLEASE THANKS... JAY

Jan 09, 2010 | Intermatic & Indoor/Outdoor Rain Tight...

2 Answers

Programming


Use this procedure to manually program ON/OFF settings.
1. Move the control lever to the OFF-CLEAR position for about 20 seconds. The red indicator light will go off and any previous time settings will be cleared from memory.
1. Move the control lever to the ON position. The Red indicator light will start fashing.
2. Rotate the time dial clockwise at least one click, stopping at the half hour nearest to the present time. NOTE: During programming, be careful not to press the dial while turning it. If you press the dial, you will accidentally set a wrong time.
3. Press the dial once to set the present time. The Red indicator light will go off.
4. Rotate the time dial clockwise to the frst desired ON time.
5. The Red light will pulse momentarily with each click.
6. Press the dial once to enter the ON time. The light controlled by the switch timer will turn ON.
7. Rotate the time dial clockwise to the desired OFF time.
8. Press the dial once to enter the OFF time. The light controlled by the switch timer will turn OFF.
Repeat Steps 5-8 for each additional ON/OFF setting. Continue to rotate the time dial until the Red indicator light comes ON and stays ON, indicating that the switch timer is in AUTOMATIC mode

Sep 26, 2009 | RTO Intermatic Inc Ej351c Timer Night...

2 Answers

I have an intermatic indoor outdoor timer the mototor is working (visual check) but it stays stuck at set time will not keep time any suggestions Hi, my outdoor timer stopped working last night . reset the...


On the model that I have you set the time by pulling the dial out and turning it to the current time.  If it does not "seat" fully when you release the dial it will not engage teh timer gear.  Make sure it is seated by trying to move it slightly in both directions.  If it turns frely it is not seated.  If there is some resistance (don't force it) then it is seated and should keep correct time.  If you have moved the manual lever to the ON position and the lights still do not work you need to make sure the power to the time clock is live.  The timer motor (and the lights) will not work if the power supply is off.  If the power is on and the lights still aren't working on Manual then there is a problem beyond the time clock (broken wire, burned out bulbs, etc.).

May 28, 2009 | Intermatic & Indoor/Outdoor Rain Tight...

1 Answer

Dial not moving/not cycling through


If the dial won't rotate then you need to replace the timer.

Mar 30, 2008 | GE 24 in. GSD2000Z Built-in Dishwasher

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