KyungDong KDB-181 KCA, User Manual

G O M - 영 문  

29 

Checkpoints before Making Repair Work Order 

 In case of any malfunction, before calling an A/S center or dealer for repairs, please check the following items. 
 If the display shows some error code number, after treating each of the status, restart the unit

(switch on the unit 

again and a minute after the inspection occurs, you must press restart in order to start the unit). 

 When the unit fails to restart then please contact the nearest service center. 

Condition 

Cause 

Countermeasure 

 Fuse is out. 

 Please call for inspection. 

☎ 

 Power is out. 

 Please wait until electricity comes 

back on. 

☜ 

 Bad power connection. 

 Please call for inspection. 

☎ 

 NO symbols and 

Digits appear on 
the display 

 Bad display connection. 

 Please call for inspection. 

☎ 

 Heating temperature 

is indicated but the 
boiler is not working 

 Boiler temperature setting is low. 

 Increase the boiler temperature 

setting. 

☜ 

 No water in the heating ducts. 

 Please replenish the heating water. 

☜ 

 No water flow in the heating ducts. 

 Please open eventual radiator valve 

Please clean the heating filter. 

☎ 

 Display shows error 

code E13 

 Circulation pump malfunction. 

 Please call for inspection. 

☎ 

 Display shows error 

code E09 

 The fan doesn’t run. 

 Please call for inspection. 

☎ 

Boiler 
doesn’t 
start 

 Display shows error 

code E10. 

 Ignition is not done 

and fan continuous 
to operate. 

 Air supply or exhaust ducts are 

blocked. 

 Chimney is blocked. 
 Air pressure switch is malfunctioning. 

 Please call for inspection. 

☎ 

 Supply gas pressure is low or supply 

is not adequate. 

 Please call for inspection. 

☎ 

 Improper flame detection. 

 Please call for inspection. 

☎ 

 Gas shut-off valve is closed. 

 Please open the Gas shut-off valve. 

☜ 

 After starting, flame doesn’t 

start and stops immediately, 
the display shows error code 
E03 and the symbol     
appears on the display 

 Improper ignition spark. 

 Please call for inspection. 

☎ 

 Heating pipe valve is closed or 

pipes are blocked. 

 Please clean the heating filter   

(see page 21). 

 Open the heating pipe valve. 

☜ 

 There is too much air inside of the 

heating pipes. 
 

 Open the air release valve inside 

the distributor to remove all the air 
then close the valve (see page 11). 

☜ 

 Boiler is operating normally, 

but heating is not done 
properly. 

 Heating pipe is leaking. 

 Please call for inspection. 

☎ 

 Water pressure is low. 

 Please call for pressurize device 

installation. 

☎ 

 Hot water line is blocked. 

 Please call for inspection. 

☎ 

 Hot water flow switch is 

malfunctioning. 

 Please call for inspection. 

☎ 

 Boiler is operating normally, 

but hot water is not available. 

 Three-way valve is malfunctioning. 

 Please call for inspection. 

☎ 

 Boiler pressure keeps falling. 

 There is a leak in the pipes.   

 Please call for inspection. 

☎ 

 Supply pipes are not installed 

correctly. 

 Please call for inspection. 

☎ 

 During the ignition and 

combustion, there is a large 
noise. 

 Supply pipes are blocked. 

 Please call for inspection. 

☎ 

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