90
0-10V INTERFACE
Set the boiler to accept a 0-10V input (see
Frame 37)
no
Is the boiler set to accept a 0-10V Input?
yesyes
Set the boiler to Winter Mode (see Frame
36)
no
Is the boiler set to Winter Mode?
yesyes
Ensure between 2V and 10V is correctly
connected to these terminals from the
external device
no
Is a voltage of between 2V and 10V being supplied to
(F), with positive and negative connected correctly?
yesyes
Ensure that the wiring is securely
connected and has continuity
no
Is the wiring from the boiler terminal strip to the main
PCB securely connected and has continuity?
yesyes
Replace main PCB
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