MULTI TYPE
MULTI TYPE
MULTI TYPE
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Using indoor unit indicators (receiving unit light block) (wireless type)<br />
To identify the check code, check the 7-segment display on the header unit. To check for check codes not<br />
displayed on the 7-segment display, consult the “List of Check Codes (Indoor Unit)” in “8-2. Troubleshooting<br />
Method”.<br />
: Goes off : Lighting : Blinking (0.5 seconds)<br />
Light block Check code Cause of fault<br />
Operation Timer<br />
All lights out<br />
Ready<br />
– Power turned off or error in wiring between receiving and indoor units<br />
Operation Timer<br />
Ready<br />
E01<br />
E02<br />
E03<br />
Faulty reception<br />
Faulty transmission<br />
Loss of communication<br />
Receiving unit<br />
Error or poor contact in wiring<br />
between receiving and indoor<br />
units<br />
Blinking<br />
E08<br />
E09<br />
Duplicated indoor unit No. (address)<br />
Duplicated master remote controller<br />
Setting error<br />
E10<br />
Indoor unit inter-MCU communication error<br />
E12<br />
Automatic address starting error<br />
E18<br />
Error or poor contact in wiring between indoor units, indoor power turned off<br />
Operation Timer<br />
Ready<br />
E04<br />
Error or poor contact in wiring between indoor and outdoor units<br />
(loss of indoor-outdoor communication)<br />
E06<br />
Faulty reception in indoor-outdoor communication (dropping out of indoor unit)<br />
Blinking<br />
E07<br />
E15<br />
Faulty transmission in indoor-outdoor communication<br />
Indoor unit not found during automatic address setting<br />
E16<br />
Too many indoor units connected/overloading<br />
E19<br />
Error in number of outdoor header units<br />
E20<br />
Detection of refrigerant piping communication error during automatic address setting<br />
E23<br />
Faulty transmission in outdoor-outdoor communication<br />
E25<br />
Duplicated follower outdoor address<br />
E26<br />
Faulty reception in outdoor-outdoor communication, dropping out of outdoor unit<br />
E28<br />
Outdoor follower unit error<br />
E31<br />
IPDU communication error<br />
Operation Timer<br />
Ready<br />
P01<br />
P10<br />
Indoor AC fan error<br />
Indoor overflow error<br />
P12<br />
Indoor DC fan error<br />
Alternate blinking<br />
Operation Timer Ready<br />
Alternate blinking<br />
P13<br />
P03<br />
P04<br />
P05<br />
P07<br />
P15<br />
P17<br />
P18<br />
P19<br />
P20<br />
P22<br />
P26<br />
P29<br />
P31<br />
Outdoor liquid backflow detection error<br />
Outdoor discharge (TD1) temperature error<br />
Activation of outdoor high-pressure SW<br />
Open phase/power failure<br />
Inverter DC voltage (Vdc) error<br />
MG-CTT error<br />
Outdoor heat sink overheating error - Poor cooling of electrical component (IGBT) of outdoor unit<br />
Gas leak detection - insufficient refrigerant charging<br />
Outdoor discharge (TD2) temperature error<br />
Outdoor discharge (TD3) temperature error<br />
Outdoor 4-way valve reversing error<br />
Activation of high-pressure protection<br />
Outdoor fan IPDU error<br />
Outdoor G-Tr short-circuit error<br />
Compressor position detection circuit error<br />
Shutdown of other indoor unit in group due to fault (group follower unit error)<br />
MG-CTT: Magnet contactor<br />
175
Change language