(b)Display sequence of error, inspection display lamp
1)One kind error
Display corresponding to the error is shown.
2)More than one errors.
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Error code of remote controller | • Displays the error of higher priority (When plural errors are persisting) | ||
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Inspection LED (red) of indoor unit PCB | |||
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| • Displays the present errors. |
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Inspection LED (red) of outdoor unit PCB |
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(When a new error has occurred after the former error was reset.) | |||
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3)Timing of error detection
● Indoor unit side.
Error detail |
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| Error code |
| Timing of error detection | |||||
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Drain error (float switch motion) |
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| Normally, 30 seconds after the power is turned ON. | |
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Wrong connection between the indoor and | “ |
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| ” | No communications even once with the outdoor unit. | |
outdoor units. |
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Transmission error of remote controller |
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| After 1 or more communications of the indoor unit with the remote controller | |
indoor unit |
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| following power on, transmission errors cause an interruption for 2 minutes. | |
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Transmission error between indoor/outdoor |
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| After communications with the outdoor unit 1 or more times, communications | |
units |
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| are abnormal continuously for 2 minutes. | |
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The number of connected indoor units |
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exceeds the connection limit (when |
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| Normally after the power is turned ON (during communications). | |
multiple units are control by a single remote |
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controller). |
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Broken wire of indoor unit return air |
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| When an input temperature of | |
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| thermistor is measured for 5 seconds or longer within 60 minutes after the | ||
thermistor |
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| first detection. | ||
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Broken wire of heat exchanger thermistor |
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| When an input temperature of | |
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| exchanger thermistor is measured for 5 seconds or longer within 60 minutes | ||
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| after the first detection. | |
●Outdoor unit side.
Error detail | Error code | Timing of error detection |
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| When a thermistor input temperature of |
Broken wire of outdoor air temperature |
| seconds or longer 3 times within 40 (60) minutes after the 1st detection |
thermistor |
| between 2 minutes and 2 minutes 20 seconds after compressor operation |
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Broken wire of heat exchanger thermister |
| When a thermistor input temperature of |
| seconds or longer 3 times within 40 (60) minutes after the 1st detection | |
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| between 2 minutes and 2 minutes 20 seconds after compressor operation |
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Broken wire of discharge pipe thermistor |
| When a thermistor input temperature of |
| seconds or longer 3 times within 40 (60) minutes after the 1st detection | |
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| between 10 minutes and 10 minutes 20 seconds (between 2 minutes and 2 |
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| minutes 20 seconds) after compressor operation starts. |
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Broken wire of power transistor |
| When the |
| 5 seconds or longer 3 times within 40 minutes after the 1st detection between | |
thermistor |
| 10 minutes and 10 minutes 20 seconds after compressor operation starts. |
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Notes (1) Values in ( ) show for the FDCA301~601 models.
(2) The power transistor temperature sensor is used in the FDCVA151~251 models only.
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