Under Ceiling Type | Installation Manual |
Check codes and parts to be checked
Wired | Wireless remote control |
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remote |
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Sensor block display of |
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control |
| Judging |
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| receiving unit |
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display |
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| Main defective parts | Parts to be checked / error description | conditioner | |||
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| status | |
Indication | Operation Timer | Ready | Flashing |
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| GR | GR | OR |
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| No header remote |
| Incorrect remote control setting |
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E01 |
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| control | Remote | control has not been set (including two remote controls). | * |
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| Remote control | control | No signal can be received from the indoor unit. | ||
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| communication error |
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| Remote control | Remote | System interconnection wires, indoor P.C. board, remote |
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E02 |
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| control | * | ||
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| transmission error | control | |||
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| Indoor |
| Remote control, network adapter, indoor P.C. board |
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E03 |
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| control regular | Indoor | No data is received from the remote control or network | |
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| communication error |
| adapter. |
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| Indoor |
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| unit serial |
| System interconnection wires, indoor P.C. board, |
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| communication error |
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E04 |
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| Indoor | outdoor P.C. board | ||
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| between indoor unit and outdoor unit |
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| communication error |
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E08 |
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| Duplicated indoor | Indoor | Indoor address setting error | |
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| Remote control address setting error |
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| Duplicated header | Remote | controls are set as header in the |
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E09 |
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| control. | * | ||
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| remote controls | control |
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| (* The header indoor unit stops raising alarm and follower |
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| indoor units continue to operate.) |
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E10 |
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| Indoor | Indoor P.C. board | ||
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| communication error | MCU and motor microcomputer MCU | |||
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| Header indoor unit- |
| Indoor P.C. board |
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| indoor follower unit |
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E18 |
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| Indoor | possible between header and follower indoor units or | ||
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| regular communication | ||||
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| error |
| between twin header (main) and follower (sub) units. |
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E31 |
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| IPDU communication | Outdoor | Communication error between IPDU and CDB | Entire stop |
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| error | ||||
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| Indoor unit heat |
| Heat exchanger sensor (TCJ) , indoor P.C. board |
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F01 |
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| ALT | exchanger sensor | Indoor | ||
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| (TCJ) error |
| (TCJ) was detected. |
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| Indoor unit heat |
| Heat exchanger sensor (TC), indoor P.C. board |
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F02 |
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| ALT | exchanger sensor (TC) | Indoor | circuit or | |
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| error |
| was detected. |
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| Outdoor unit discharge |
| Outdoor temp. sensor (TD), outdoor P.C. board |
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F04 |
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| ALT | temp. sensor (TD) | Outdoor | circuit or | Entire stop |
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| error |
| detected. |
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| Outdoor unit temp. |
| Outdoor temp. sensors (TE/TS), outdoor P.C. board |
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F06 |
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| ALT | Outdoor | Entire stop | ||
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| sensor (TE/TS) error | |||||
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| sensor was detected. |
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F07 |
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| ALT | TL sensor error | Outdoor | TL sensor may be displaced, disconnected or short- | Entire stop |
(F06) |
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| circuited. | ||||
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F08 |
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| ALT | Outdoor unit outside | Outdoor | Outdoor temp. sensor (TO), outdoor P.C. board | Operation |
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| air temp. sensor error | circuit or | continued | |||
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| detected. | ||
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| Indoor unit room temp. |
| Room temp. sensor (TA), indoor P.C. board |
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F10 |
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| ALT | Indoor | circuit or | ||
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| sensor (TA) error |
| detected. |
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F12 |
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| ALT | TS sensor error | Outdoor | TS sensor may be displaced, disconnected or short- | Entire stop |
(F06) |
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| circuited. | ||||
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F13 |
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| ALT | Heat sink sensor error | Outdoor | Abnormal temperature was detected by the temp. sensor | Entire stop |
(L29) |
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| of the IGBT heat sink. | ||||
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F15 |
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| ALT | Temp. sensor | Outdoor | Temp. sensor (TE/TS) may be connected incorrectly. | Entire stop |
(F06) |
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| connection error | ||||
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F29 |
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| SIM | Indoor unit, other P.C. | Indoor | Indoor P.C. board | |
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| board error | |||||
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EN |
– 30 – |
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