Baxi Solo 12 HE Installation And Servicing Instructions page 55

THERMISTOR
Unplug
thermistor,
Is thermistor resistance between
0.5kΩ & 20kΩ ?
YES
Plug in
thermistor, leave
8-way connector unplugged.
Is resistance at D between
0.5kΩ & 20kΩ ?
YES
Replace PCB.
© Baxi Heating UK Ltd 2006
Lights
On Flash On
ON
NO
Replace thermistor.
NO
Wiring from PCB to
thermistor faulty.
17.0 Fault Finding
Viewed from
Wire Entry end
D
55