I'm trying to get an DIY of the OTGW working, but I run into some problems.
I've connected the thermostat (Remeha iSense v27) and the boiler (Remeha Calenta), but the Thermostat is giving an F207 error (connection error).
I see the following messages in otMonitor:
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00:52:51.945942 T1002010B Write-Data Master configuration: 00000001 11
- Smart power: supported (1)
00:52:52.088312 BD002010B Write-Ack Master configuration: 00000001 11
- Smart power: supported (1)
00:52:52.948710 T1002010B Write-Data Master configuration: 00000001 11
- Smart power: supported (1)
00:52:53.096713 BD002010B Write-Ack Master configuration: 00000001 11
- Smart power: supported (1)
00:52:53.952104 T1002010B Write-Data Master configuration: 00000001 11
- Smart power: supported (1)
00:52:54.091814 BD002010B Write-Ack Master configuration: 00000001 11
At some point after a restart, the messages changed:
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01:02:18.232159 A5014E100 Write-Ack Day of week and time of day: Sun 01:00
01:02:18.700482 T9014E100 Write-Data Day of week and time of day: Sun 01:00
01:02:18.723477 R00300000 Read-Data DHW setpoint boundaries: 0 0
01:02:18.855540 BC0303C28 Read-Ack DHW setpoint boundaries: 60 40
01:02:18.898105 A5014E100 Write-Ack Day of week and time of day: Sun 01:00
01:02:19.702160 T9014E100 Write-Data Day of week and time of day: Sun 01:00
01:02:19.727846 R80310000 Read-Data Max CH setpoint boundaries: 0 0
01:02:19.858763 B40315014 Read-Ack Max CH setpoint boundaries: 80 20
01:02:19.900590 A5014E100 Write-Ack Day of week and time of day: Sun 01:00
01:02:20.708859 T9014E100 Write-Data Day of week and time of day: Sun 01:00
01:02:20.731916 R00740000 Read-Data Burner starts: 0
01:02:21.075791 B40749888 Read-Ack Burner starts: 39048
01:02:21.106827 A5014E100 Write-Ack Day of week and time of day: Sun 01:00
01:02:21.717316 T9014E100 Write-Data Day of week and time of day: Sun 01:00
01:02:21.743435 R80750000 Read-Data CH pump starts: 0
01:02:22.069512 BC075AC58 Read-Ack CH pump starts: 44120
01:02:22.095594 A5014E100 Write-Ack Day of week and time of day: Sun 01:00
01:02:22.719786 T9014E100 Write-Data Day of week and time of day: Sun 01:00
01:02:22.759151 R80760000 Read-Data DHW pump/valve starts: 0
01:02:23.069169 B407628A0 Read-Ack DHW pump/valve starts: 10400
I've followed the steps on the troubleshooting page and I have one value which might be off:
This gives 0V and 1.85.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 will probably be close to 5V).
The rest of the values seems OK
I've also tried some diagnostics tests and test #4 (delay symmetry) gave an error about the interfaces not being looped (I've tried connecting X1 to X2 and also X1 -> X1 and X2 -> X2, but no luck).
Does anyone know what the problem could be? Or how I can proceed to investigate further?
PS:
I've got a version with an esp8266 for communication, an TracoPower TSR 1-2450 as replacement for the 7805 and 15V/AC 2VA iso 15V/AC 1.2VA
Regards