Troubleshooting
Manual
TM
‐
12
‐
011
1
1. Troubleshooting By LED Display or Wired Controller Display
Applicable
Model
Non
Inverter
Split
Series
Product
Range
FTYN25/35/50/60LV1B
SLEEP
(Red)
COOL/HEAT
(Green/Red)
TIMER
(Yellow)
Wired
Controller
Display
Operation / Faulty Indication
Details of
Malfunction
(Reference Page)
- Cooling
mode
n/a
- Heating
mode
n/a
- Timer
On
n/a
- Sleep
mode
On
n/a
-
Fan mode On
n/a
-
Dry mode On
n/a
E1
Room air sensor contact loose /
short
2
E2
Indoor coil sensor contact open
3
E3
Outdoor coil sensor contact open
4
E4
Compressor overload / Indoor coil
sensor / Outdoor coil sensor short
5
- Defrost
operation
n/a
E5 Gas
leak
6
E8
Hardware error (tact switch pin
short)
7
E9
No Feedback from indoor fan motor
8
EE EEPROM
defrost
n/a
LED
Indication
/
ON
ON or OFF
BLINKING
/
/
Green
Red
1 time
3 times
1 time
Red
3 times
2 times
Continuous
Continuous
6 times
4 times
5 times
