– 64 –
:Go on, : Flash, : Go off
ALT (Alternate): Alternate flashing when there are two flashing LED SIM (Simultaneous): Simultaneous flashing when there are two flashing LED
Remote
controller
indication
Sensor lamp part
Block indication
Operation
Timer Ready Flash
Representative defective position Detection Explanation of trouble contents
Automatic
reset
Operation
continuation
L20 LAN system communication trouble Duplicated indoor address of central control system communicationALT
Network adapter/
Center
O
×
P01 Indoor unit Indoor fan troubleALT Indoor Indoor AC fan trouble was detected. (Fan thermal relay worked.)
××
F29 Indoor unit Other indoor P.C. board troubleSIM Indoor EEPROM trouble (Other trouble may be detected. If no trouble, automatic address is repeated.
××
F10 Indoor unit Room temp. sensor (TA) troubleALT Indoor Open/Short of room temp. (TA) was detected.
O
×
F01 Indoor unit Heat exchanger sensor (TCJ) troubleALT Indoor Open/Short of heat exchanger (TCJ) was detected.
O
×
F02 Indoor unit Heat exchanger sensor (TC) troubleALT Indoor Open/Short of heat exchanger (TC) was detected.
O
×
— — There are multiple communication adapters. Network adapter There are multiple communication adapters on remote controller communication line.
OO
— By unit with warning No. Trouble in indoor groupALT Network adapter
Sub remote controller trouble in a group
(Details of remote controller are displayed with unit No. Only central control side is displayed.)
——
— — LAN system communication trouble
Network adapter/
Center
Communication trouble of central control system signal
∗ Is not displayed on the remote controller
OO
P31 Other indoor unit troubleALT Indoor Other indoor under condition of warning in group. E03/L07/L03/L08 warning
O
×
P12 Indoor unit Indoor fan troubleALT Indoor Indoor fan trouble (Over-current / Lock, etc.) was detected.
××
P10 Indoor unit Overflow detectionALT Indoor Float switch worked.
××
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