Lighted · Flashing of AREA
Blinking
Not lighted
NOTE : Before taking measures, make sure that the symptom reappears for accurate troubleshooting. Self check table
No. | Abnormal | Operation indicator lamp | Symptom | Detection method | Check point |
| point |
|
|
|
|
| Indoor | Left lamp of AREA lamp flashes. | Indoor unit | When it cannot properly read data in the |
|
|
| ||||
| and outdoor | • Replace the indoor electronic | |||
1 | control |
| nonvolatile memory of the indoor electronic | ||
| unit do not | control P.C. board. | |||
| system |
| control P.C. board. | ||
|
| operate. |
| ||
|
|
|
| ||
|
|
|
|
|
Lighted | · Flashing of All lamps indicate abnormality. |
Blinking
Not lighted
No. | Abnormal | Operation indicator lamp | Symptom | Detection method | Check point |
| point |
|
|
|
|
| Attachment | All lamps flash at the same time. | Indoor unit |
|
|
| When the electricity is not conducted to the | • Refer to | |||
| of the | and outdoor | |||
1 | installation of the horizontal | ||||
| horizontal |
| unit do not | interlock switch (Fan) of the horizontal vane. | vane". |
| vane |
| operate. |
| |
|
|
| |||
|
|
|
|
| |
|
|
|
|
|
|
Lighted
· Flashing of AREA lamp(both lamps) indicates abnormality.
Blinking
· POWER lamp is lighted.
Not lighted
No. | Abnormal | Operation indicator lamp | Symptom | Detection method | Check point |
| point |
|
|
|
|
| MXZ type | Both lamps flash | Outdoor unit | When the operation mode of the each indoor | • Unify the operation mode. |
| Operation |
| operates but | unit is differently set to COOL(includes DRY) | |
1 |
| Refer to service manual | |||
| indoor unit | and HEAT at the same time, the operation | |||
mode |
| ||||
| OB377. | ||||
| does not | mode of the indoor unit that has operated at | |||
| setting | ||||
|
| ||||
|
|
| operate. | first has the priority. |
|
Lighted · Flashing of PLASMA/WASH lamp indicates abnormality.
Blinking
Not lighted
No. | Abnormal | Operation indicator lamp | Symptom | Detection method | Check point |
| point |
|
|
|
|
| PLASMA | PLASMA/WASH lamp flashes. | Indoor unit |
|
|
| DEODORIZING/ | When PLASMA DEODORIZING power or |
| ||
| PLASMA | and outdoor | • Replace the indoor electronic | ||
1 |
| PLASMA AIR PURIFYING power can not be | |||
AIR |
| unit do not | control P.C. board. | ||
| PURIFYING |
| operate. | turned OFF. |
|
| power control |
|
|
|
NOTE : When the indoor unit has started operation and the above detection method has detected an abnormality (the first detection after the power ON), the indoor electronic control P.C. board turns OFF the indoor fan motor with OPERATION INDICATOR lamp flashing.
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