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Hi i mixed up some resistors thats why my voltages where wrong.

Finally, I got it working now.

But now I still need to convince Kiwi to send me the correct 7805.

Corrected the resistors R2 and R3. Check 9: Measure the voltage on pin 18 of the IC1 socket with pin 3 left open and again when it is connected to ground. In the former case the voltage should be below 1.25V (it is actually expected to be 0V). In the latter case the voltage must be above 1.25V (and ...

Thank you Schelte i will report back when i have more information.

Power supply Check 1: The first thing to check is the power supply. Start out with the gateway unplugged from mains power, thermostat and boiler disconnected, and the IC's removed from their sockets. Now measure the resistance between the two terminals of X3. This should be in the order of kΩs. Che...

Hello All, I have bought a new OTGW from kiwi-electronics and the soldered the OTGW. When finished i connected it to my laptop and powered it up OTmonitor showed me that the diagnostics firmware is present and operational. So i flashed the gateway (4.2.5) firmware. and connected it in between my the...