40MBFAQ: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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NOTE: When troubles occur, check the following points before contacting a repair company.
Table 10 — Troubleshooting
NOTE: FLASH, LIGHT, X EXTINGUISHED
RUNNING LAMP TIMER LAMP DISPLAY MALFUNCTION AND PROTECTION DEFINITION
1 time X E0 Indoor EEPROM malfunction
2 times X E1 Indoor and outdoor unit communication malfunction
4 times X E3 Indoor fan speed malfunction
5 times X E4 Indoor room temperature sensor error
6 times X E5 Evaporator coil temperature sensor leak
7 times X EC Refrigerant leak detection system malfunction
8 times X EE Water level alarm malfunction
11 times X Ed Wrong outdoor unit
1 time
F0 Overload protection
2 times F1 Outdoor temperature sensor error
3 times F2 Outdoor condenser pipe sensor error
4 times F3 Discharge air temperature sensor error
5 times F4 Outdoor EEPROM error
6 times F5 Outdoor fan speed (DC fan motor only) malfunction
7 times F6 T2b sensor error
8 times F7 Auto-lifting panel communication error
9 times F8 Auto-lifting panel malfunction
10 times F9 Auto-lifting panel is open
1 time P0 Inverter module IPM protection
2 times P1 High/Low voltage protection
3 times P2 Compressor top overheating protection
4 times
P3 Outdoor low temperature protection
5 times P4 Compressor drive error
6 times -- Mode conflict
7 times P6 Compressor low-pressure protection
8 times P7 Outdoor IGBT sensor error
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