KDB-GOM
Series
- 50 -
6.2 Troubleshooting - Occurs
■
IF ANY FAILURE OCCURS, CHECK THE FOLLOWINGS BEFORE CONTACTING A SERVICE OR A DEALER.
■
IF THE CHECK LAMP COMES “ON” AND THE FAILURE CODE IS DISPLAYED, TAKE PROPER ACTIONS AND THEN
RESTART THE UNIT.
(RE-PLUG IN THE UNIT OR TURN THE UNIT “ON” FEW MINUTES AFTER THE CHECK LAMP HAS COME
“ON”)
■
IF SUCH PROCEDURE DOES NOT WORK, CONTACT THE NEAREST SERVICE CENTER.
■
CERTAIN NON HAZARDOUS FAILURES WILL SHUT DOWN THE UNIT, BUT WILL NOT ILLUMINATE CHECK
LIGHT. PRESS ON/OFF BUTTON TO OBTAIN ERROR CODE.
Symptoms
Causes
Troubleshooting
▶
Blown fuse
▶
Replace new fuse
▶
Power failure
▶
Wait until the power restores
▶
No indication on
the water temperature
indicator
▶
Repair the plug
▶
Room temperature is higher than the
set
temperature
▶
Increase the set temperature at the room
thermostat
▶
Set temperature at the unit
thermostat is low
▶
Increase the set temperature at the
thermostat
▶
Temperature is
indicated but the unit
does not work
▶
“02” is indicated on
the temperature
indicator
▶
No water in the heating pipe
▶
Water filling valve failure
▶
No tap water supply
▶
Fill the heating water
▶
Contact the service center
The unit does
not work
▶
“01” is indicated on
the temperature
indicator
▶
Clogged heating pipe
▶
Circulation pump failure
▶
Check for any clogging in the heating
pipe. If the pipe is clogged, contact the
unit installer
▶
Clean the heating strainer
▶
Check the circulation pump
※
After removing the cause, press the
“POWER” button again
▶
Low or no gas pressure
▶
Contact for service
▶
No flame detection
▶
Contact for service
▶
Intermediate valve closed
▶
Open the valve
▶
When the unit is started, the ignition
fails and the check lamp comes
“ON”
▶
No ignition
▶
Contact for service
▶
Air pressure switch tube
disconnected
▶
Connect the tube
▶
Incorrect installation of flue
▶
Correct the wrong installation
▶
Ignition fails and the exhaust fan runs
continuously
▶
Clogged flue exhaust pipe
▶
Check the smoke stack
▶
Closed valve on the heating line or
clogged pipe(Heating water)
▶
Check the heating pipe(strainer)
▶
Air in the heating pipe
▶
Purge the air from the piping
▶
Circulation pump does not work
▶
Contact for service
▶
T
he unit runs properly but heat
performance id poor
▶
Leak in heating pipe
▶
Fix the leak
▶
Low water pressure
▶
Install a pressurizing pump
▶
Circulation pump does not work
▶
Contact for service
▶
T
he unit runs normally but hot water is
not supplied
▶
Defective 3-way valve
▶
Contact for service
▶
Pressure falls
▶
Leakage in piping
▶
Contact for service
▶
installation of flue duct
▶
Contact for service
▶
Loud noise during the ignition and
combustion
▶
Clogged flue pipe(s)
▶
Contact for service
▶
Clogged hot water line
▶
Clean the strainer at the inlet of the hot
water flow switch
▶
Hot water supply stops
▶
Defective hot water flow switch
▶
Contact for service