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SK2014-SON-002-TechMnl-SWC-003
C.4.5.
LED Indication
For all units
Power / Operation LED light (both green)
Unit on
Operation LED On, Power LED Off
Unit in standby
Power LED On, Operation LED Off
C.4.6.
Error Description
For all units - Operation LED light (Green)
Item
Blink
Reason
Remedy
Indoor coil sensor 1
failure
Green LED blinks 4
times, stops for 3
secs
Ti1 sensor connection is
unplugged or damaged.
1. Check if Ti1 plug is connected or not.
2. Check if sensor’s resistance is correct or
not.
EC motor failure
Green LED blinks 9
times, stops for 3
secs
No EC motor feedback
1. Check if EC motor’s wires are connected.
2. Check the EC motor
