Hyundai HACM12DB - HCCM22DB - Manual (Page 10)

ECR International Hyundai Ductless Split System 10
BEFORE CALLING FOR SERVICE (Continued)
• If the air conditioner(s) still have problems, disconnect the
power source and consult your installer.
• If water drips from indoor unit(s).
• If the circuit breaker frequently trips.
When self-diagnosis is cleared it returns to normal operation.
CALL FOR SERVICE
·
9/12 Btuh
·
:Blink ing
State of LED
(Green) LED
(Orange) LED
Trouble Che ck by Se lf-Te st Mode
·
Defect of indoor heat exchanger sensor
Contents of Defect
·
Defect of room temperature sensor
TROUBLE CHECK BY SELF-TEST MODE
• If an abnormality occurs on the air conditioner(s), the operation is automatically stopped by the “Self-Diagnosis Function”.
• If the operating light of main unit is blinking, please put the switch lever(s) on the indoor unit(s) in off (O)-position.
·
18/24 Btuh
·
:Blink ing
(Green) LED
(Red) LED
(Green) LED
·
Defect of indoor heat exchanger sensor
·
Defect of compressor protection circuit
(Cooling only Model)
Trouble Check by Self-Test Mode
Contents of Defect
·
Defect of room temperature sensor
( )
PLEASE CHECK THE FOLLOWING
THE UNIT(S) WON’T OPERATE
‰ Check the batteries in the Remote Control.
‰ Check that the power source is connected properly.
‰ Check if the in-house fuse and/or breaker is “ON”.
‰ Check to see if the power is on.
COOL OPERATION IS NOT SATISFACTORY
‰ Check if the air filters are dirty.
‰ Check if the room temperature setting is correct.
‰ Check the horizontal louver.
‰ Check to see if the air intake or the discharge outlet
have been blocked.
‰ Check if the air flow rate is correct.
• If foreign substances or water entered the internal system
of the air conditioner(s).
• If it sounds strange during operation.
• If indoor unit(s) are not level.