Transmitter

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Receiver

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Operating Condition
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On
(Constant)
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On
(Constant)
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Off
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Off
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- Motor head not powered
- Wiring from motor head defective
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Off
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On
(Constant)
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- Wiring to STB transmitter missing or defective
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2 Flashes, Pause
(Repeat)
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On
(Constant)
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- Infrared beam not aligned
- Infrared beam obstructed
- STB receiver defective
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2 Flashes, Pause
(Repeat)
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Off
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- Wiring to STB receiver missing or defective
- STB receiver defective
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3 Flashes, Pause
(Repeat)
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On
(Constant)
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- STB receiver interference
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4 Flashes, Pause
(Repeat)
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On
(Constant)
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- STB transmitter not sending pulses
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