Technical data

17.0 Fault Finding
55
© Baxi Heating UK Ltd 2007
THERMISTOR
Replace thermistor.
Wiring from PCB to
thermistor faulty.
YES
NO
NO
YES
Replace PCB.
Unplug
thermistor,
Is thermistor resistance between
0.5kΩ & 20kΩ ?
Plug in
thermistor, leave
8-way connector unplugged.
Is resistance at D between
0.5kΩ & 20kΩ ?
D
Viewed from
Wire Entry end
Lights
On Flash On
ON