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56
Error code
If it failed to detect flame during ignition sequence pre-purge time will exceed 10 secs, and post-purge will
be performed after the ignition causes manual restore error.
■ From more than DC 2.5V after ignition safety cut-off will appear
① When setting before ignition is less than DC 2.5V : Replace flame sensor.
② When setting before ignition is more than DC 2.5V : Replace the flame observation glass and gasket.
Meaning
Ignition failure (Manual restore)
Failure event
Check point
① Check flame
detector sensor's
connecting line
and fixed spot.
③ Check color changes of flame observation port. After separating
stop ring by seeing color changes, replace the flame observation
port.
Chapter 4 Troubleshooting
Condition
During burning operation, if it failed
to ignite 10 times continuously,
error code 11 will appear.
② Check wire
color of connector.
(CN 7 : red ① ,
black ⑧)
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