valutazioni - 2, GPA: 4.5 ( )

Produttore : Sony File Size : 3.52 mb File Nome : b2822884-695b-4388-8c58-719b1e714980.pdf Lingua di insegnamento:

• Check the power supply of indoor unit. (Power-ON) • Check connection of communication line between indoor and outdoor. • Check connector connection for communication in indoor P. C. board. • Check connector connection for communication in outdoor P. C. board. • Check indoor P. C. board failure. • Check outdoor P. C. board (I/F) failure. — E07 — I/F Indoor/outdoor communication circuit error (Detected at outdoor side) All stop Transmission from outdoor to indoor cannot continue for 30 seconds. • Check outdoor terminator resistor setup (SW30-2). • Check the communication connection between indoor and outdoor. E08 E08 Duplicated indoor addresses Indoor I/F Duplicated indoor addresses All stop Multiple indoor unit address setup are duplicated. • Check indoor address. • Check the change of remote controller connection (Group / individual) after setup of indoor address. E09 — — Remote controller Duplicated master remote controllers Corresponding unit only stops. In 2-remote controller control (including wireless), both are setup as master (Header indoor unit stops and other indoor unit is operating.) • Check remote controller setup. • Check remote controller P.C. board. E10 — — Indoor unit Communication error between indoor P. C. board assembly Corresponding unit only stops. There is any trouble in power line. • Indoor P. C. board failure Check code Detected position Check code name Status Error detection condition Check item (position) Main remote controller Outdoor 7-segment display Check code Auxiliary code E12 E12 01: Indoor/outdoor communication 02: Between outdoors communication I/F Automatic address start error All stop • When indoor automatic address started, other refrigerant circuit system was setting automatic address. • When outdoor automatic address started, indoor automatic address was executed. • Setup the address again after disconnecting connection with other refrigerant circuit system. E15 E15 — I/F No corresponding indoor unit during automatic address All stop Indoor unit is not found when indoor automatic address start was set up. • Check the communication line connection between indoor and outdoor. • Check the electric power line error in indoor. • Check the noise of surrounding devices. • Power failure • Check indoor P. C. board error. E16 E16 00: Capacity over 01 to: No. of connected units I/F No. of connected indoor units / Capacity over All stop • Total capacity of indoor units exceeded 135% of total outdoor capacity. • No. of connected indoor units are more than 48 units. [Note] If this code appears after backup setup of outdoor unit trouble, set up “ No. capacity-over detection” . Turn on SW09/Bit 2 on I/F P.C. board of outdoor header unit. • Check the connection capacity of indoor unit. • Check the HP capacity of indoor unit. • Check the indoor/outdoor capacity setup • Check the No. of connected indoor units. • Check the outdoor I/F P. C. board error E18 — — Indoor unit Communication error between indoor header and follower units Corresponding unit only stops. Regular communication between indoor header and follower units • Check cable of the remote controller. • Check power cabling of indoor. • Check P.C. board of indoor. E19 E19 00: No header unit 02: Two or more header units I/F Outdoor unit quantity error All stop • There are multiple outdoor units in 1 line. • There is none of outdoor unit in 1 line. The outdoor unit connected with communication cable between indoor and outdoor (U1.U2) is the outdoor unit. • Check connection of communication line between indoor and outdoor. • Check outdoor P. C. board(I/F) error. E20 E20 01: Connection of outdoor of other line 02: Connection of indoor of other line I/F Other line unit connected during automatic address All stop Unit of other line was connected when indoor automatic address started. Separate the cable between lines according to automatic address setup method in “ Address setup” . E23 E23 — I/F Communication sending error between outdoor units All stop Transmission of other outdoor unit was unavailable for 30 seconds or more. In this model, only one outdoor unit is provided to one refrigerant line. Be sure to check there is no communication connection with outdoor unit in the other refrigerant line. E25 E25 — I/F Duplicated outdoor follower address setup All stop Outdoor addresses manually set up are duplicated. Note) Do not set up the outdoor address manually. E26 E26 No. of normally received outdoor units I/F Decreased number of connected outdoor units All stop The signal was not returned for constant from the outdoor unit which was receiving signal. In this model, only one outdoor unit is provided to one refrigerant line. Be sure to check there is no communication connection with outdoor unit in the other refrigerant line. E28 E28 No. of detected outdoor units I/F Outdoor follower unit error All stop Outdoor header unit received error code from outdoor follower unit. • Check the c...

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