Specifications
Table Of Contents
- Cover
- Table of Contents
- Part 1 List of Functions
- Part 2 Specifications
- Part 3 Printed Circuit Board Connector Wiring Diagram
- Part 4 Function and Control
- Part 5 Operation Manual
- Part 6 Service Diagnosis
- 1. Caution for Diagnosis
- 2. Problem Symptoms and Measures
- 3. Service Check Function
- 4. Code Indication on the Remote Controller
- 5. Troubleshooting
- 5.1 Indoor Units
- 5.2 Outdoor Units
- 5.3 Indoor Unit PCB Abnormality A1
- 5.4 Freeze-up Protection Control or High Pressure Control A5
- 5.5 Fan Motor or Related Abnormality A6
- 5.6 Thermistor or Related Abnormality (Indoor Unit) C4,C9
- 5.7 Front Panel Open / Close Fault C7
- 5.8 Signal Transmission Error (between Indoor and OutdoorUnit) U4
- 5.9 Unspecified Voltage (between Indoor and Outdoor Units) UA
- 5.10 Freeze-up Protection Control A5
- 5.11 Outdoor Unit PCB Abnormality E1
- 5.12 OL Activation (Compressor Overload) E5
- 5.13 Compressor Lock E6
- 5.14 DC Fan Lock E7
- 5.15 Input Over Current Detection E8
- 5.16 Discharge Pipe Temperature Control F3
- 5.17 High Pressure Control in Cooling F6
- 5.18 Compressor Sensor System Abnormality H0
- 5.19 Position Sensor Abnormality H6
- 5.20 CT or Related Abnormality H8
- 5.21 Thermistor or Related Abnormality (Outdoor Unit) P4,J3,J6,J8,J9,H9
- 5.22 Electrical Box Temperature Rise L3
- 5.23 Radiation Fin Temperature Rise L4
- 5.24 Output Over Current Detection L5
- 5.25 Insufficient Gas U0
- 5.26 Low-voltage Detection or Over-voltage Detection U2
- 5.27 Signal Transmission Error (on Outdoor Unit PCB) U7
- 5.28 Anti-icing Function in Other Rooms / UnspecifiedVoltage (between Indoor and Outdoor Units) UA,UH
- 6. Check
- Part 7 Removal Procedure
- Part 8 Others
- Part 9 Appendix
- Index
- Drawings & Flow Charts

Instruction SiBE12-713
112 Operation Manual
Outdoor Unit
Indoor Unit
1. Air filter
2. Air purifying filter with
photocatalytic deodorizing function:
•
These filters are attached to the inside of the air
filters.
3. Air inlet
4. Front panel
5. Panel tab
6. Room temperature sensor:
•
It senses the air temperature around the unit.
7. INTELLIGENT EYE sensor:
•
It detects the movements of people and auto-
matically switches between normal operation
and energy saving operation.
8. Display
9. Air outlet
10. Flaps (horizontal blades)
11. Louvers (vertical blades):
• The louvers are inside of the air outlet.
12. Indoor Unit ON/OFF switch:
•
Push this switch once to start operation.
Push once again to stop it.
•
The operation mode refers to the following
table.
•
This switch is useful when the remote controller
is missing.
13. Operation lamp (green)
14. TIMER lamp (yellow)
15. HOME LEAVE lamp (red)
16. Signal receiver:
•
It receives signals from the remote controller.
•
When the unit receives a signal, you will hear a
short beep.
•
Operation start .............beep-beep
•
Settings changed..........beep
•
Operation stop ..............beeeeep
Outdoor Unit
17. Air inlet:
(Back and side)
18. Air outlet
19. Refrigerant piping and inter-unit cable
20. Drain hose
21. Earth terminal:
• It is inside of this cover.
22. Outside air temperature sensor:
(Back side)
• It senses the ambient temperature around the
unit.
Appearance of the outdoor unit may differ from some models.
Mode
Temperature
setting
Air flow
rate
FTKS COOL 22°C AUTO
FTXS AUTO
25°C
AUTO
21
20
19
22
17
18