Brian H

The manual says it has Local Control. Normally if the module is Off. Toggling the loads built in switch from On to Off and back On. The module will turn back On with out you needing an Insteon command to turn it On. Some LED light bulbs and other loads can falsely trigger some Local Controls. Did you get random changes with a standard light bulb. Any noise makers on the same circuit?

OK. Glad you got a working spare. If the 10uF/400VDC was backwards. That would cause it to fail. Most likely it shorted and the 27 Ohm resistor did its job. Maybe preventing one of the diodes from failing with too high a current through them. If you used the 100uF 50VDC caps for C7 and C13. It is probably now close to a V2.3 component wise.

C1 on the schematic is not an electrolytic and should not have a polarity. It may have a stripe on one end. Indicating the outer foil lead. Do you know its value and voltage? Should be marked on the capacitors body. All the Electrolytic capacitors including C3 are polarized and yes it matters if they are in backwards. They will fail. Shorting is one thing and sometimes you get a rubber seal on the bottom or top bulging and blowing off steam and aluminum foil. Not familiar with your meter. On mine a diode reads 750 Ohms in one direction and several thousand ohms in reverse on the Diode setting on the meter. So 0 and .5 may or may not be correct. From the schematic and a back side photo of the main board. The 27 Ohm resistor connects to D3 side. The side with the stripe. Can you get a resistance reading on the C3 terminals?

Maybe a little more information may help. For the diodes. Set the test meter to Diode Test. Connect the test leads across a diode. Then reverse the leads. In one direction you should get a high reading in the other a low reading. The L2 coil. In Ohmmeter setting on the meter. A few Ohms. Depending on its characteristics. I have not measured one in a 2413 base board. For C3. I would connect a wire across it on the chance it is holding a charge. To discharge it. You could use a resistor as long as you are not touching both leads. This should also apply with the other electrolytic capacitors like C7 and C13 the two in the unregulated 12 volt supply. Closer to 20VDC if measured. Then the Ohmmeter probes on its connections. May start with a low resistance reading then rise to a higher level. Reverse the probe connections and again it may start low or even high go low and then back high. Make a note of the resistance after charging in both directions.

If it was a low current circuit. It maybe possible C3 charging and the electronics starting may have opened it up. The 27 Ohm resistor is supposed to limit the input current. Could be a brief current surge of a few amps. From the schematic may not match the silk screened markings. I would check the 4 diodes D1,D2,D3,D4. L2 and C3 with a meter .C3 may show a low resistance until it charges and read differently depending on which probe of the meter was on the + terminal. You may want to try both directions to see the differences. If the resistance is low and does not go higher as it charges. It is possible the U1 LNK345GN has a Source to Drain short or leakage.

I am glad you are up and running again. Will be watching for your findings on the old one.

Thanks for the information. I thought we where using the Serial PLM and an ISY994i. The V2.5 has power supply updates like the larger capacity and different series caps. Should be more reliable. Can't say about the USB Daughter Board as except for one old 2412U. All the PLMs I have information and dissections are for Serial Port PLMs. No experience with Indigo so this may not be pertinent. The new PLM has a new six digit Insteon ID. The modules being controlled may have the original PLM ID in their link database. So you may have to update their link databases.

Another option. Would get the original magnetic switch in the early Garage Door Kits. So you didn't have to use the Trigger Reverse function. I had both a NO and NC connection you could choose from.

A 2413U will not work with an ISY994i. Is this PLM for a different project not using an ISY994i? How did you get a USB model to work with an ISY994i? C7 and C13 are the higher size capacitors and the TY series designed for switching power supplies.

OK. Let us know how it goes.

If you are using a 2413U and different software. Not an ISY994i connected to it. Then the 2413U maybe what you do need. The 2413U is a USB interface with a USB B type connection. It can not interface with an ISY994i as it is strictly a serial port using an RJ45 network style connector and a network cable between the PLM and the ISY994i. Page 17 of this thread has a photo in a response showing both the older and newer version of the serial daughter board. A response on page 19 shows the new version of the serial daughter board. I have seen some excess stock older 2412 PLMs being sold on Ebay by Smartenit. Main board only, Serial and USB. The label on the unit may not be the same as the model you purchased. As exchanging the daughter board. Changed its interconnected type. If in doubt. You can see both types for sale on the Smarthome web site and even download the manuals. The USB model also needs a USB Chip Driver on the computer as the USB PLM has a internal serial to USB chip on its output.

2413U USB PLM? The PLM is not being used by an ISY994i? As it uses a 2413S Serial PLM. The 2450 I/OLinc also the 27 Ohm resistors in it. So you could compare them to your PLM. It also has a switching power supply in it but the DC filter is not the same configuration.

The V1.? 2443 Access Points the white LED will flash on Insteon Tragic. The V2.? don't seem to flash for me. You can always run the builtin 4 TAP/Beacon communications tests between them or any other Dual Band Modules. To see if they can communicate. The checking the Hop count for changes. Should also show some information on if they are helping. The Scene tests may also yield some information. With and without the Access Points in use.

Shorting I4 may help. Both I3/AN1 and I4/AN2 are a high impedance input and subject to noise. Testing mine found that all I had to do was touch the case and if they where not terminated. Resulted in a flood of random message (LED on side flashing) being constantly sent. If the wiring to the dry contacts you are using with I3 are long or near a noise source. I suppose it may pickup noise but the resistor should calm it down.

If the 2443 Access Points are any revision 2. Label on the back should show revision. They are built on the same 2413 base board as the 2413S PLM we use and subject to the same capacitor issues. So your tests may show no added communications issues if removed and already are starting to fail.

The pass through outlet on the EZIO2x4 is an older 2412 base board. The 2413 base boards had issues and Smartenit went back to the old 2412 boards made for them. PLM using the utility does not matter. Unless the PLM has bad caps. This is for the I1 input and dry contacts. https://smartenit.com/wp-content/uploads/2018/04/EZIO2X4-Dry-Contact-Connection.jpg. I 2 would be the same as it is also an isolated input. I1+ should always read 5 volts. I1- should change from close to 5 volts contacts open and nearly 0 volts when the contacts are closed. I think the v2.03b had its screen name changed to Smartenit. I have a copy of 2.02e and its screen still said Simplehomenet. Digital inputs. You connect the digital input (I3 or I4) to the digital source signal and the GND terminal for the digital sources common. Remember a digital signal is from 0 volts to 5 volts. 0-1 volts is Off and 3-5 volts is On is the way I see digital levels. Smartenit says 0-1 volts is On and 3-5 volts is Off. In their users sheet for the module. The utility does allow you to set the input to an Analog. If you really want to use a digital input and dry contact. Connect the digital input to 5 volts through a pull up resistor and the dry contacts to the digital input and GND. The input will be inverted. Open will be On and closed will be off. Not recommended due to noise and possible 5 volt supply protection issues. You could pull the input to GND with a resistor and then use the contacts to switch the 5 volts into the input. That way open contacts would be Off and closed On. The Smartenit information does not follow what I call a digital signal. So the On and Off status maybe reversed. Depending on how they implemented the signals status.

There is no I3- terminal. It is one of the two Digital- Analog inputs and are not an isolated input. Where you can tie the + input to +5 and the - input to GND through the dry contacts. I1and I2 have both a + and - terminal.

2.03 was on the SimpleHome Net Forums. That is now defunct. SourceForge where I may have gotten 2.03 also now has 2.0. https://sourceforge.net/projects/shnutilitysuite/ The version on the sales site is 2.0 and I don't think there is much change between the versions. Are I3 or I4 being driven by a Digital signal driver? Is your EZIO2x4 built on the older power line only 2412 base board or the 2413 Dual Band base board? If it is a 2413 base board. It will be subject to the same power supply capacitor issues we have seen in the 2413S PLMs.

Is the module stable if you have no wires on it? Like unplug the wiring plug from the module so no wires are connected. I did see reports of a floating Analog Input causing issues and why connecting to the GND was recommended if not being used. If it is one of the Analog inputs. It is 0-5VDC. Can't say for sure if a higher voltage spike may have effected it.

This is probably a stupid question on my part. You are using the GND terminal on the unit and not a safety or power line Ground?

What revision SHN Utility? My 2.03b and an old EZIO2X4. Shows two Analog and two Isolated inputs. AN1, AN2, Input 1 and Input 2. A configuration area where you have to enable the Analog Inputs. That are defaulted to Off and can't be read. If you are not using the second input. You don't have anything on I2+ or I2-?

No 10K resistor needed for the Isolated inputs. They have a internal resistor to limit the current into the Opto isolator. 3-30 volts DC is the input range. Connect I1+,I2+ to the +5 volt terminal. Dry connects from I1-,I2- and the GND terminal. If you are only using one of the two isolated inputs. The second one should not have to have its inputs tied to ground. Tie the analog inputs if not used to GND terminal. No resistor needed. You asked about the Analog input connections. The analog inputs are between the Analog terminal and the Ground terminal.

Let us know how it progresses. The 27 Ohm 2W is a good choice. The 1 Watt may also be OK. I did see a reverse engineered schematic of the 2856S Icon On Off module. As that 27 ohm resistor is in many of the older Insteon modules. By the physical size. They though 2 watts.

OK. The voltages you posted are a good reference as to what you want to see. When testing you don't have to have the daughter board connected. It would probably get in the way and make it harder to troubleshoot. The C7-C13 voltage maybe slightly higher with no daughter board. As the unregulated +12 volts powers the serial or USB daughter board. That has its own +5 volt regulator. If the PLM you are testing is V2.3 or lower. On the serial board you can measure the unregulated +12 volts. The metal tab on the regulator IC is common and one of the unused F1 Fuse positions is the voltage into the board.

C3 High Voltage supply looks fine. C7 and C13 unregulated 12 Volts is fine and typical. C8 +5VDC Logic Supply is with in normal tolerance. C11 Zero Crossing Detection. Probably fine. I looked at the circuit for the older 2412S. It was around that voltage. Did you have the serial daughter board connected when the LED faded out? I think I saw a post here. With out the daughter board connected. The LED did not light but that is a fading memory. I had seen some reports of the serial chip failing. The V2.3 had an improved IC on it. V2.4 and V2.5 have a new serial board. That has the new serial port IC and some signal protection to the outside world. I did a current test on my 2413S in use with the ISY994i. During a system query. There where short bursts of 600mA AC to 900mA AC .