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X10 FREQUENTLY ASKED QUESTIONS (FAQ) 1. Why do some modules work in some outlets and not in others? If you are having difficulty controlling a particular module from a particular location, but can control this module from other locations, or if the ability to control a particular module is intermittent, it is possible that the module in question and your controller are on opposite phases of your house wiring. Most houses are fed from a 220 volt service which is then split into two phases of 110 volts each in the circuit breaker panel. The X10 signals, which are transmitted onto the house wiring (onto one phase), will normally couple across to the other phase through the breaker panel, pole transformer etc. If however, due to loading, you do not have enough coupling, you may couple the signal from one phase to the other by having a qualified electrician install a 0.1 microfarad, 240V AC or 600V DC capacitor across your 220 volt line from hot to hot, i.e. across any 220 volt breaker. This will couple the signal from one phase to the other. The capacitor should be rated for "across the line connection" such as part number P4603 available from the Digi-Key catalog. This part can be purchased from Digi-Key by calling 1-800-344-4539. Alternatively, you may be able to solve the problem simply by moving the controller to another outlet. If the controller is plugged into the same outlet as a TV its output may be reduced. Moving the controller away from the TV may also solve the problem. |
