Question about Intermatic T8845PV - Sprinkler-Irrigation Timer - 14-Day Skipper - NEMA 3R

1 Answer

On auto mode sprinkler start sometimes out of the time zone

The timer zone works fine. mine is in the morning.sometimes in the afternoon like today one zone was starting on its own works for 5 minutes and stopped

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  • Intermatic Master
  • 5,089 Answers

Maybe the trippers are worn out??
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler
Add a comment and give model number of product, and say if this is new installation or older installation that stopped working recently.

Posted on May 06, 2013

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Posted on Jan 02, 2017

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SOURCE: the yellow time dial has stopped turning and the

If I understand correctly, the manual override does not work, and the clock dial does not turn.

It seems odd that both things would happen together. Usually the clock motor stops but the manual override still works.

Check that your timer has electricity. Check your breaker. It sounds like the electricity is off.

Does your manual override snap clean and crisp, or it it sluggish? If the manual override is sluggish, the timer mechanism may be rusted.

Snap the timer out from the box and look at the condition of the gears, and the override lever. If the timer is rusty and the manual override does not snap clean and crisp, then the timer needs to be replaced. Buy a new timer and swap out the insides without changing the box.

You might need a clock motor

Snap out the mechanism and get the number off clock

Intermatic site shows pages of clock motors: They are priced high, but cheaper than new timer.
https://www.intermaticstore.com/ASPI700W.pgm?task=menucntrl&menuopt=TM

Aplus supply sells assortment of Intermatic clock motors.
http://www.aplussupply.com/intermatic/timermotors.htm

To search these pages quickly for your clock numbers, use browser Find (Click edit at top of bowser, click Find)

Intermatic has a page with manuals:
Open page, click plus next to timers and scroll down to sprinkler and irrigation timers
http://www.intermatic.com/customer%20service/instruction%20manuals.aspx
It's good to have the manual on hand in case the product is discontinued

Posted on Nov 10, 2010

SOURCE: Sprinkler timer not keeping current time of day

Open following link for Intermatic sprinkler-timer parts list
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler

If yellow dial is not keeping correct time, then clock motor has gone bad.
Replace clock motor.

Posted on Apr 08, 2011

SOURCE: Automatic sprinklers (Intermatic timer) do not

If manual override works, and dial rotates on time each 24-hours, then worn trippers are suspect.
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html

Upvote the help.
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.

Posted on May 29, 2011

SOURCE: have a intermatic sprinkler timer that is has

No video.
If manual override works, look to see if dial rotates on time for full 24 hours. If dial keeps good time, then timer clock motor is wired correctly. If dial stops rotating after tripper passes, then wiring is wrong. If trippers are absent or worn down then timer will not turn Load on-and-off.

How to set timer, and troubleshoot timer:
http://waterheatertimer.org/pdf/How-to-Set-and-Troubleshoot-Intermatic-sprinkler-timer.pdf
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html

How to wire timer:
You posted under R8806P101C 240Volt timer without rain sensor connections.
http://waterheatertimer.org/pdf/Intermatic-r8806p101c-manual.pdf
If this is not your timer, then add a comment with model number that appears on door panel.
The wiring block has 4 screw terminals. From left to right: 1 2 3 4
240Volts cable has two hot leads from breaker box. Hot leads from breaker box connect to screw terminals 1 and 3.
Timer operates 240Volt pump load. Cable to pump load has 2 wires. Connect Load wires to terminals 2 and 4.

Open following link for resources:
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler

Posted on Jun 29, 2011

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I have 4 zones can run them manually; but they will not come on the automatic setting. Springs are strong; timer itself keeps accurate time. I did read inside the box about a "Silver Pin"...


If zones are not advancing, then 1) Clock motor is not rotating dial > replace clock motor, 2) on-off trippers are worn down > replace trippers, 3) or the day skipper is set to skip all days and all skipper pins are pushed down, 4) or sprinkler valve is bad.

The sprinkler timer dial rotates each 24 hours. The trippers cause sprinkler head to turn on zone 1 for example. Zone 1 waters until the dial rotates to part of dial with no tripper. Without a tripper on the dial, the timer turns off circuit to sprinkler. At this point, the sprinkler valve mechanically advances to zone 2 and waits for timer to turn off again. The timer does not advance sprinkler to next zone > the sprinkler valve is designed to advance each time circuit turns off. The timer just turns on and off. When next tripper rotates around, the timer turn on the circuit and zone 2 begins to water.
http://waterheatertimer.org/pdf/How-to-Set-and-Troubleshoot-Intermatic-sprinkler-timer.pdf

The silver pin inserted at 12midnight position is for advancing the day skipper wheel.
Open following link for parts and resources:
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler

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I have Intermatic sprinkler model T8845pv. I want to set it for daily watering in only one of 8 zones. When I remove the gold pins in the main dial and locate the zone I want to water, it waters the...


Intermatic sprinkler timers are 24 hour repeat cycle, with day-skipper option.
The timer does not change zones. The timer just turns ON-and-OFF at scheduled times.
Each tripper represents 12-15 minutes of watering. And then the timer circuit turns OFF.
When timer circuit turns OFF, the sprinkler system is designed to advance to next zone each time.
So when the timer circuit turns OFF and then turns ON again, your sprinkler control starts watering the next zone. This is the way sprinkler systems are designed.
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler

If you had a sprinkler system with 1 zone, or could change your sprinkler system to 1 zone on certain days, then the timer would turn that zone on-off each time.
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You could solve problem with two separate sprinkler systems, but that would require two timers. I have never seen a 2-channel sprinkler timer. There are electronic two-channel timers that can handle two different programming schedules with minimum 1 minute on-off, and these timers can cost a few hundred dollars up to thousands, PLUS cost of the dual sprinkler system. Add a comment and let me know if two-channel timers are something you want information on.

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R88 series timers at Intermatic.
Click on model number to see manual:
http://www.intermatic.com/products/timers/mechanical%20time%20switches/sprinkler%20irrigation%20timers.aspx

Add a comment if you have different timer

At fixya, we're not supposed to copy-paste from manual, but manual says information clearly.
If timer has the day-skipper wheel located lower left of large yellow dial:
Not every timer has day-skipper wheel, in which case timer works same for each day.
TO SKIP DAYS: Turn black skipper wheel COUNTER-CLOCKWISE
until today's day is in front of "14" arrow. Press pins DOWN on days
of NO watering. The skipper wheel must have all pins UP for daily
watering.

Additional instructions:
1. TO SET FIRST ZONE: For watering, push gold pin into slot on yellow
dial at desired ON time. For each 12 minutes of additional watering
add one pin WITHOUT skipping a slot.
2. TO CHANGE ZONES: Leave one blank slot on yellow dial after ON
line (gold pin), and valve will automatically advance to next zone.
3. TO SET ADDITIONAL ZONES: Repeat steps 1 and 2. REMEMBER
to leave blank space between zones
4. TO SET TIME OF DAY: Turn yellow dial CLOCKWISE, until correct
line is at end of silver time pointer. Do NOT turn silver pointer.
5. TO SKIP DAYS: Turn black skipper wheel COUNTER-CLOCKWISE
until today's day is in front of "14" arrow. Press pins DOWN on days
of NO watering. The skipper wheel must have all pins UP for daily
watering.
6. PUT SELECTOR SWITCH IN AUTO: This switch can be used to turn
the system ON or OFF for manual operation without affecting the set
program.

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It would be very handy to know the timer model number that appears inside door of timer.
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http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler

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