Question about Hydro-Rain HRC-990-04-01 1-4 Sta. Controller w/1 solenoid

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Sprinkler zone comes on when its not supposed to

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I have three zones which operated individually, recently one of the zones comes on when the other two come on.


Reset the clock, if that does not help, unhook the one from the clock that is not supposed to come on, if it still does there is a bad connection in the valve box.

Nov 27, 2016 | Garden

2 Answers

The sprinkler system is shut off but there is still little water coming out of the sprinkler head. What is the cause of this problem?


Water will continue to run back down the hills to the lowest Heads and Some water will come out.It will stop once the water in the lines has Drained out.

Oct 02, 2014 | Garden

1 Answer

Sprinkler will not change zones


You mean timer will not change zones? Is it from zone 1 to zone 2? Does the timer say it is watering zone 2 and no water, does it default and shut down on zone 2? Does zone 2 have run time? Can you be a little more specific?

Feb 19, 2014 | Fimco 1-1/2 in. 10 psi 6 Outlet Indexing...

1 Answer

On auto mode sprinkler start sometimes out of the time zone


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.

May 05, 2013 | Intermatic T8845PV - Sprinkler-Irrigation...

1 Answer

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

Jul 27, 2011 | Intermatic R8806P101C -...

1 Answer

The timer no longer plays all 3 programmed zones. It play only one.


Three things to look for:
1) If sprinkler turns on-off but doesn't advance to next zone, then Sprinkler Valve is suspect, and timer is good.
2) If sprinkler stays on all the time, or never turns on, then Timer is suspect.
3) If sprinkler turns on-off, but leaks when it's supposed to be off, then Sprinkler Valve is suspect, and timer is good.
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler

Jun 24, 2011 | Intermatic T8845PV - Sprinkler-Irrigation...

1 Answer

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.
Call a local sprinkler company and see if they have a dual control or some solution >> but sprinkler controls are outside my area of expertise. I am timer expert.

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.

Apr 27, 2011 | Intermatic R8806P101C -...

1 Answer

I have a couple of Nelson tractors. Is water supposed to come out of the little holes on the bottom of the gear housing?


Hi,

Here is a tip about how to get parts for your traveling lawn sprinkler and also a great article about how traveling lawn sprinklers work.

Traveling Lawn Sprinklers

heatman101

Aug 12, 2010 | Nelson Sprinkler: Traveling Tractor

1 Answer

Sprinkler head does not spray water


Make sure when you pull the head to ck the screen you turn the system on and blow out the line, then run a hose through the head to make sure it isn't plugged up anyway. Depending on the head and the cost of a new one will dictate cleaning or replacement.

Oct 04, 2009 | Garden

1 Answer

Bought a Intermatic sprinkler timer. need help.


reading the specs i should say its a timer for only one zone. you can use it for one zone switching or for the pump. sorry.

May 09, 2009 | Intermatic & Indoor/Outdoor Rain Tight...

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