RESISTANCE CONTROL THERMISTOR FLUE

Set Multimeter to Resistance

Isolate Mains Power to appliance as per TOPs P4
Disconnect the flue sensor leads at the inline connector
(leads change colour at the connector)

Measure resistance of the flue sensor at the disconnected connector (black leads).

Resistances vary with temperature and should conform approximately to the table below:

Note: Clicking on the resistance table will switch between table and graph view.