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Thread: Established system with new comms fault

  1. #1
    Automated Home Lurker
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    Nov 2015
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    Post Established system with new comms fault

    Morning folks,

    I installed my Evohome system back in September 2015 and it has been up and running since then. I extended it to cover the rest of my system in April 2016. It is the version with integrated wifi controller and is running 11 rooms (zones) using 12 HR92s.

    Everything has been running well until this year, when I have started to get comms faults. As far as I can tell, nothing has physically moved that would upset the communication and I have not changed anything.

    Here is a list of the faults since January:
    Code:
    DATE    FAULT                           TIME (fault to restore)
    01-Feb	Comm Fault, Boiler Relay	10min
    06-Feb	Comm Fault, Kitchen, Sensor	2h
    11-Feb	Comm Fault, Kitchen, Sensor	10min
    12-Feb	Comm Fault, Kitchen, Sensor	7h
    12-Feb	Comm Fault, Kitchen, Actuator	6h
    16-Feb	Comm Fault, Kitchen, Sensor	4h
    16-Feb	Comm Fault, Kitchen, Actuator	1h
    16-Feb	Comm Fault, Kitchen, Sensor	2h
    17-Feb	Comm Fault, Kitchen, Sensor	2h
    17-Feb	Comm Fault, Kitchen, Actuator	1h
    27-Feb	Comm Fault, Kitchen, Sensor	1h
    27-Feb	Comm Fault, Kitchen, Actuator	1h
    27-Feb	Comm Fault, Kitchen, Actuator	6h
    27-Feb	Comm Fault, Kitchen, Sensor	10h
    27-Feb	Comm Fault, Kitchen, Actuator	1h
    06-Mar	Comms Fault, Bed 2, Sensor	30min
    23-Mar	Comms Fault, Boiler Relay	5h
    28-Mar	Comms Fault, Boiler Relay	2h
    28-Mar	Comms Fault, Boiler Relay	13h
    29-Mar	Comms Fault, Boiler Relay	1h
    31-Mar	Comms Fault, Boiler Relay	1h
    01-Apr	Comms Fault, Laundry, Sensor	2h
    02-Apr	Comms Fault, Laundry, Sensor	4h
    04-Apr	Comms Fault, Boiler Relay	4h
    05-Apr	Comms Fault, Boiler Relay	10h
    Something seems to have upset the 'Kitchen' Sensor, which has had a knock-on effect on it's Actuator. But, this only happened in February and has been OK since, with no intervention.

    My immediate issue is the Boiler Relay faults, as today I woke up to a cold house. I understand that with the wireless connection, things are never perfect, but I would not expect more than 10min drops in communication.

    Does anyone have any thoughts on where to start looking for problems?

    Cheers,
    Rob

  2. #2
    Automated Home Lurker
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    I tried a reset and also performed an RF Comms check.
    The comms check indicated a 'poor' signal strength, so I moved the relay box slightly further away from any potential problem items (metal stuff). A follow-up RC Comms check reported 'good' signal strength.

    I will keep an eye on it and see what happens.

  3. #3
    Automated Home Sr Member
    Join Date
    Oct 2008
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    Default

    Quote Originally Posted by RobCee View Post
    I tried a reset and also performed an RF Comms check.
    The comms check indicated a 'poor' signal strength, so I moved the relay box slightly further away from any potential problem items (metal stuff). A follow-up RC Comms check reported 'good' signal strength.

    I will keep an eye on it and see what happens.
    Did you ever get this issue sorted out? Just curious.

  4. #4
    Automated Home Lurker
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    I moved my relay box, as noted above and significantly reduced the number of faults.
    This has not eliminated them altogether, as I still get the odd one now and then. I guess it is just the nature of RF communications that they sometimes drop out.

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