22
Sookook Corporation
MF2R LED INDICATOR
CHANGE STATUS Description
REMARKS
INDICATION
Pressure Error
Lockout
Detect 5 seconds after
starting the motor
Extraneous
light during
startup
Lockout
“Flame detection before
operation of gas valve and
ignition transformer”
Ignition Failure
Lockout
Flame detection failure for 3
seconds on initial ignition
Flame off during
operation
Lockout
Flame off during operation
after normal ignition
Operation standby
Interlock
S/W Shutoff of High/Low
limit of gas pressure
Normal operation
Normal
Pre-purge
Normal
Combustion chamber pre-
purge in progress
LK LK LAMP ON Lockout
“Exceeded the limit point for
gas leakage, ignition point”
Error storage function
“Retain the error status upon application
after blocking the power source”
R R
Y
적
Y 적
Y
R R R R
YY Y
G 적
G G
적
G
R G R G
G G
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