Question about Intermatic R8806P101C - Sprinkler-Irrigation Timer - 14-Day Skipper - NEMA

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I have a Toro LawnMaster Model 53603 Sprinkler Timer. When it gets to station #5, it displays Short #5. I have tried changing out the actual wire and the connection at both the timer & the solanoid & it still flashes Short #5. If I swap #4 with 5, the short follows the wire. Any suggestions ?.

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From what you are saying, it would seem as though the solenoid has shorted. The coils in the solenoid can and do short. Unhook the wire from the solenoid and see if the message goes away...

The other way to check for a short is with an OHM meter. Using one of them you can quickly track down what is shorted out.


Posted on May 19, 2011


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I have an older Toro residential irrigation timer. I don't know the model number. How do I find the model number?

Call Toro Tech. help and describe the timer to them and they should be able to guess the model. Sorry, don't have Toro's number because I will not use anything made by Toro. If it was me I would replace the timer. .

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Re-post question with model number so expert can read manual alongside you. Otherwise it is guesswork trying to match your description to a timer.
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There are two Toro timer manuals posted:
Copy following links, for ez word search for each manual:

The timer can be reset to factory defaults by 'clearing program memory' following steps in manual.
Warranty period is 1 year protection against defects in workmanship, which is standard for timers from Woods to Intermatic to GE etc.

If the display is not working, and zone does not show, then that implies internal defect, or lack of power. Resetting timer might repair problem.
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In addition to resetting timer to factory defaults, and then reprogramming you might try changing wires to different terminals.

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Power surge and other events can damage timers. Nearby lightning strike. Power outage causes surge when power resumes.

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1 Answer

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Question is not clear.
Do you have programming problem with the timer?
Or problem locating sprinkler heads?
Or a sprinkler valve problem?
Add a comment with detailed information.

Sprinkler timer turns ON-and-OFF.
Timer does not advance the sprinkler to next station. The sprinkler valve advances to next station when timer turns OFF.
For example, when timer turns ON, then station 1 starts watering.
Timer turns off, and then sprinkler valve automatically advances to station 2.
Timer turns on again, and station 2 starts watering.

Orbit resources:

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1 Answer

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This is not in the manual. You're welcome!

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