PROBLEM | CAUSES | SOLUTIONS |
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Rain sensor will not shut off system. | Incorrect sensor type wired directly into | Make sure sensor is microswitch type |
| sensor circuit. | such as |
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The controller recognizes 48 stations |
| Make sure AC power is connected. Reset |
all the time. |
| controller using method described on |
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| page 31. |
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The controller does not respond | Controller does not recognize modules. | Turn off the power to the contr oller |
to all the stations. Example, the |
| and remove the batter y. Check all |
controller has 24 stations but the |
| module connections to the controller |
display will only go to 16 stations. |
| Power the controller back up. The |
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| microprocessor will recognize all modules. |
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The controller is only recognizing | Potential user pr ogramming er ror. | Be sure dial is in correct position. |
eight stations when multiple |
| Total number of stations can be |
modules are installed. |
| easily checked by placing dial in SET |
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| STATION RUN TIMES position and |
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| pressing the back ar row. |
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Controller has display but will | Primar y power to controller incor rectly | Check and correct 110 or 220 volt |
not activate zone valves. | wired. Controller receiving voltage too low | connection. |
| for valve operation. |
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