Table des Matières
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I
Ensure that mains input terminal
L is Live (120V) and N is Neutral
(0V)
YES
Check and correct if necessary
1. Flame sensing electrode and lead connections
2. Electrode position
Flame current should be 1 µA approx.
J
Overheat thermostat operated or
faulty, i.e. continuity across ther-
mostat terminals
YES
K
Check terminal 1 of ON/OFF/RESET selector is in con-
nection with PCB - A4 connector terminal 2
Check electrical continuity across terminals 1 & a of
ON/OFF/RESET selector when turned to position R
Allow to cool. Continuity across
NO
thermostat terminals more than
1.5 ohm
Replace PCB
YES
Replace PCB
NO
Replace flame sensing electrode
YES
NO
Replace ON/OFF/RESET selector
YES
Replace PCB
38
Replace safety ther-
mostat
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