Dimmer 2 S2 input not honoring max brightness in three-way switching setup

[LupoLoopy 0]

Hi

 

I'm currently using a Fibaro Dimmer 2 in a three-way (we in the UK would call it 'two-way') lighting setup, where S1 & S2 are used to control the same lighting circuit.

 

I want the switches to operate in a basic 'on-off' fashion - No dimming required as smart bulbs are fed by this circuit.

 

I have installed a Dimmer 2 bypass, as we were experiencing flickering with the relay in the 'off' state. However, following installation of the bypass, the auto-calibration, and 'red' menu option calibration failed, meaning the overload protection kicked in after about 5 seconds of use.

 

I have therefore manually set my max brightness to 45, a value that seems to be stable.

 

Operating the relay via an app, everything performs as expected. When I press the momentary switch on S1, everything works correctly.

 

However, when I use the S2 switch, the brightness level is set to 99%, which triggers overload protection.

 

My options settings are as follows:

 

        zwave.configurationV1.configurationSet(parameterNumber: 2, size: 1, scaledConfigurationValue: 0),    // Manual Min Brightness Setting
        zwave.configurationV1.configurationSet(parameterNumber: 2, size: 1, scaledConfigurationValue: 45),    // Manual Max Brightness Setting
        zwave.configurationV1.configurationSet(parameterNumber: 13, size: 1, scaledConfigurationValue: 2),    // Bypass Calibration
        zwave.configurationV1.configurationSet(parameterNumber: 19, size: 1, scaledConfigurationValue: 45),    // Switch on brightness level 
        zwave.configurationV1.configurationSet(parameterNumber: 20, size: 1, scaledConfigurationValue: 0),    // Enable Dimmer to work with Toggle Switch
        zwave.configurationV1.configurationSet(parameterNumber: 26, size: 1, scaledConfigurationValue: 1),    // S2 can control dimmer as well
        zwave.configurationV1.configurationSet(parameterNumber: 32, size: 1, scaledConfigurationValue: 1),    // On/Off Mode (0=Dimmer,1=On/Off,2=Auto)
        zwave.configurationV1.configurationSet(parameterNumber: 35, size: 1, scaledConfigurationValue: 0),    // Auto Calibration (0=No after Power On, 1=On First Power On, 2=On Each Power On)

 

Any advice please? I'd dearly love to get the switch on S2 to behave correctly.