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Chapter 4 Troubleshooting
Error code
Stop all of the outputs except fan when Burner Limit Switch attached on burner upper plate shows
temperature above 302℉(150℃).
Meaning
Burner Limit Switch abnormality
(Manual restore)
Failure event
Check point
① Check conditions of burner limit switch connected with
burner and circuit board, and disconnection.
② Check connector and if no problem, measure burner limit
switch located at burner head and replace overheating switch
when the multi-meter value shows '0L'. (Normal value is
'0~0.5Ω'.) (CN 11 : Red ⑦, ⑮)
Condition
Burner Limit Switch's temperature
is above the acceptable range,
error code 43 will appear.
Burner Limit Switch (302℉/150℃)
67
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