I can get the circuit board to count down but I do not get any power to the N/O, N/C, and Common terminals. Do I have a dud?
576104
Everyone is making it more confusing than it needs to be. Basically the VCC & Gnd power the board and IN & Gnd activate the timer, but neither have anything to do with the relay output. Think of it as putting power to your device (typically the + if DC or the HOT wire if AC) into the 'Com' which goes to the relay and then comes out the CB (NC) or CK (NO). If the timer is on then the power coming in through Com will come out the CK (NO) and if timer is off then it will come out the CB (NC) terminal. See my review for more specifics.
576105
the common is for your input voltage you want to use for the output(no/nc). Your neutral or negative would go to the device you are controlling. The output(no/nc) would then go to the hot or positive of the device you are controlling.
576106
No - it is operating as expected. The N/O and N/C contacts are just a switch from an electromechanical relay. You need to either ground or apply voltage to the common terminal - depends on how you use it in the circuit.
576107
No, the countdown is for the relay only. the n/o, n/c, and common are only relay contacts. unless you split your power supply, you'll have provide a second power supply. I believe the intent of this board was provide a countdown to a separately powered appliance or circuit when the momentary input start switch is triggered. I have used about 6 of these boards so far, and they seem to be relatively good quality.
576108
The power is not distributed to the NC,NO & comm relay terminal pins. but you should have continuity between the common and NO pin with power on but not counting and when the trimmer is triggered you should have continuity between the NO & Common
576109
I had to provide my own power source. Power is not wired to these points on the circuit board. Start with a simple continuity test using an ohm meter.
576110
I don't think there is supposed to be power there, I think it is only supposed to switch power you bring in. I'm not positive, but that is how I'm using it.
956588
This hasn't happened to me, maybe your power or negative source came loose. Check those connections .
647242
It has been a while since I used mine, if you have a load attached and it remains zero, I'd say it is broken, as in DOA. Sometimes stuff happens in transport.And by the way, when I got and used it back in December '13, I was quite pleased with the performance. Perfect for working with the sensitive, low power circuits I was testing.
267714
You would have to activate the timer first for the timer to be on. (The little clock face on the lower left corner.) When the timer is activated the red power light would flash. Sounds like something is wrong with your unit though.
889223
I unplugged power for about 5 minutes and that did it. 15 seconds won't do it...I tried that first. Give it AT LEAST a minute.
1384013
It sounds like the CMOS board is bad. Try a constant power supply and an only power that camera. If the problem goes away then you were under voltage or most likely under current. If problem is still there then a bad CMOS board
730107
I think they have to be on the same circuit. Best way to make sure is buy one at a local store and try it out. If it works return it and buy online if you can find a better deal.
416147
Turn off ignition make sure there is no load or disconnect Neg- Terminal, then Just connect to the battery and press the test button. I did not like this tester and returned it. Midtronics is the best in category
2228314
It would sound like it might be overloaded but i can't tell without knowing how many watts you are putting in or pulling off the load terminals. Also wondering if you have the proper fuses installed in your system
1806658
I'm also in the same problem. Anyone have A home repair solution? Prior to this I had the power on problem which was solved by upgrading some blown capacitors.
1855551
It sounds like you have the wrong wire contacted to the power source. One wire goes the a permanent power soure and the other goes to the ingnition switch. Couldn't tell you which color goes where because I returned my unit because it froze on me and stopped working.
539607
I wired mine backwards first try. Worked fine until the timer triggered it off, then there was no power for the clock to continue. I just swapped the load wires, and it worked fine.
447787
Something is certainly messed up. Few minutes tops.. It could be power supply..jeez... Dead Upon Arrival. I've had good luck with mine though....
2093292
You must make sure that you connect the red and black wires as stated in the instructions correctly. I have gotten them backwards before and the timer worked like yours is working. Try changing the connections
1536502
A multimeter shows the V+s are internally shorted as are the COM terminals, though I haven't tried running a 20A load through a single terminal or splitting it.
66055
Helen,If you have already replaced the capacitors and verified that they are in correctly double check the wire connectors to the power board. You disconnected them to do the replacement and may have accidentally reconnected them incorrectly or not at all.
2232150
My is working at first time .timer is set on/off auto day and night you.should check your wirring connection again very simple design since 50 year ago good luck