The actual product may differ from
the images in the manual.
- 28 -
ERROR CODE LIST & TROUBLESHOOTING
○
Disconnection of temperature sensor and overheat sensor
○
Defective Transmission and Receiving
E rror
code
Failure type
Troubleshooting
Remar
ks
04
1. W ater temperature
sensor disconnected
①
C heck the water temperature sensor for correct
connection.
②
C heck the wire for any damage.
③
R eplace the temperature sensor.
05
1. Overheat sensor
disconnected
①
C heck the overheat sensor for correct connection.
②
C heck the wire for any damage.
③
R eplace the temperature sensor.
2. Door-opening
sensor disconnected
①
C heck the burner doors if they are kept opened.
②
C heck the door-opening sensor and the wire for
damage.
③
R eplace the sensor if the sensor operates even after
earthing the sensor.
E rror
code
Failure type
Troubleshooting
Remar
ks
06
1. Rotation rate of
the fan not sensed
①
C heck the fan wire for any damage.
②
Replace the fan.
06
1. Low limit
High limit
This error may occur if the chimney is installed in
①
the wind pressure zone and the wind is strong when
the rotation rate of the fan is high.
If this error persists, call your contractor to change the
position of the chimney.
②
Remove condensates when there is frost in the
elbows of the chimney.
③
Call your local sales agent or service center for
troubleshooting.
This error may occur regardless of the rotation rate
※
of the fan when foreign materials are caught in the
fan.
08
1.
Defective
transmission
and
receiving
①
Defective
communication
between
the
room
controller and the main controller
: Ignition cycle OFF
②
If the trouble persists for 10 minutes or more,
"E rror 08" is displayed, and the power LE D blinks.
③
Replace the room controller or the main controller.