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FAULT-FINDING CHART
FAULT
CAUSE
REMEDY
1 T H E B U R N E R D O E S N O T
START.
A. No electricity.
B. Gas fails to reach the burner.
A. Check the main fuses.
Check the control box fuse. Check
thermostats line and gas pressure
switch.
B. Check that the interception devices
positioned along the feed pipe open
properly.
2 THE BURNER STARTS, THERE IS
NO FLAME FORMATION, THEN IT
LOCKS OUT.
A. Gas valves do not open.
B. There is no spark between the
electrodes tips.
C. Air pressure switch does not give
its enabling signal.
A. Check valves operation.
B. Check ignition transformer ope-
ration, check the electrode tips
position.
C. Check the calibration and the ope-
ration of the air pressure switch.
3 THE BURNER STARTS, THERE
IS FLAME FORMATION, THEN IT
LOCKS OUT.
A. The control electrode either fails to
detect the presence of the
Á
ame or
it does so inadequately.
A. Check the control electrode posi-
tion.
Check ionization current level.
Summary of Contents for EM 40/2-E
Page 2: ......
Page 25: ...25 ITALIANO...
Page 47: ...47 ENGLISH...
Page 69: ...69 FRAN AIS...
Page 91: ...91 DEUTSCH...
Page 113: ...113 ESPA OL...
Page 115: ...115 a b c d CO2 CO2 CO2...
Page 116: ...116 119 133...
Page 120: ...120 2 n 4 3 4 5 1 A B C D...
Page 121: ...121 2...
Page 126: ...126 3 sec 3 sec LME 10...
Page 127: ...127 B 1 2 3 B H EM 35 E H H EM 40 2 E EM 40 M E H fi 1 max E E 1 E 2 E VE 2 2 14 10 13 SQN 71...
Page 132: ...132 3 A CO2 CO2 CO2 8 5 10 11 12 B P CO CO CO 0 1 160 C 220 C TPR TS B P...
Page 134: ...134 1 A B A B 2 A B C A B C 3 A A...
Page 135: ......