Symptom #7: Absolutely No Functionality (How to determine which component is at fault)
| Step: | Component to Test | Instructions |
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| With a Multimeter, measure the DC |
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| Voltage of the supply while it is |
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| connected to the Connecting Block. Put |
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| the Negative lead of the meter on the |
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| terminal marked GND and the Positive |
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| Lead on the terminal marked 12VDC (or |
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| V). You should get a reading between |
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| 11.5VDC and 13.0VDC. If not, remove |
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| the supply from the Connecting block |
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| and measure again this time directly on |
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| 1. | Verify Power Supply | the 2.5mm Coaxial plug. If it reads |
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| between 11.5VDC and 13VDC, power |
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| supply is most likely good. Reconnect to |
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| the Connecting Block and proceed to |
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| step 2. NOTE: In most cases this will |
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| indicate the supply is good but in |
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| some cases the supply can still be |
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| bad (i.e. reads good when not |
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| plugged in but may not be able to |
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| handle the current load of the |
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| system.) |
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| Remove the power supply from the |
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| connecting block and all Emitters from |
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| Verify Emitter. (283M or 286M Blink | the output. Place a jumper wire on the |
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| 2. | connecting block between IR and +12v. |
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| Style ONLY) | Reconnect the Power Supply and one |
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| emitter. The Emitter should Light bright |
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| and solid. Repeat for all emitters. |
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| Use a diode tester to verify proper |
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| Emitter operation. Remove Emitter from |
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| Connecting Block. Place the Positive |
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| Verify Emitter. (282M or 284M NON | Lead of the tester on the TIP of the |
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| 3. | Mono Mini Plug and the Negative Lead |
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| Blink Style) | on the Shield of the Mono Mini Plug. |
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| Meter should read a voltage. When the |
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| leads are reversed (Positive lead on |
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| Shield and Negative lead on TIP) you |
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| should not get any voltage reading at all. |
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08905105A |
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