Samsung AC035MN1DKH/EU - Troubleshooting for Indoor Unit

4-11 Samsung Electronics
Error Mode
LED Display
Ca
u
Operation Timer
SPi Filter
Blue Green BlueBlueBlue
Power Reset XXXXAbnormal power.
Error on room temperature sensor of indoor unit (Short or Open)
(E121)
XX
XXIndoor unit temperature
s
Error on Eva-in sensor of indoor unit (Short or Open)(E122)
Error on Eva-out sensor of indoor unit (Short or Open)(E123)
X XXIndoor unit heat exchang
e
Indoor fan error (E154) :
Under 450 RPM for more than 15 seconds
XX X
X
Restriction of indoor unit
f
Low speed operation of i
n
Error of outdoor unit
Error of the terminal block thermal fuse (Open) (E198)
X X
Outdoor unit error occurs
Terminal Block thermal fu
Error on float switch (2nd detection)(E153) XXX
Check the float sensor
EEPROM circuit failure (E162)
Faulty of EEPROM parts.
Faulty of EEPROM circuit
p
EEPROM option error (E163) Blockage of outdoor unit
v
Communication error between indoor unit and outdoor unit(E101) XX X
2 minutes no communica
unit and outdoor unit.(Co
more than 2 minutes)
Communication error after tracking due to unmatching number of
installed units(E201)
XX
X
After complete Trackin
g
of the indoor unit nu
communicated error
disconnection)
Communication error between indoor unit and outdoor unit(E202)
When there is no respon
s
tracking is completed
Communication error between outdoor unit inv - main
micom(E203)
Communication error be
main micom
Blockage detected on high pressure pipe (E422)
XX Blockage of outdoor unit
v
4-2-2 Troubleshooting for indoor unit
䒲 Error detection and reoperation
1. If an error occurs during operaion, the LED flashers to indicate that there is a problem then all operations stop except LED.
2. When resuming operation with remote controller and switch, it determines error mode after normal operation.
䒲 1way cassette(AC666JB1DEC Series)