6
Error display | : e8 | [Heating overload] | ||||
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| Indoor unit |
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Red LED |
| 1 time flash | Red LED |
| Stays OFF | |
Green LED |
| Keeps flashing | Green LED |
| Keeps flashing |
Note (1) The green LED in the outdoor unit is used in the FDCA301 ~ 601 models only.
YES
Is the air filter clogged?
NO
Clean it.
Notes (1) | Check if the overload state exists or not using the following check points. | |
( | Is there a short circuit? | ( |
Is the indoor heat exchanger dirty or clogged? | ||
Is the outdoor unit’s fan control normal? | ||
Is the indoor or outdoor air temperature too high? | ||
(2) | See the figure page 142 for indoor heat exchanger thermistor characteristics. |
| Are the connections to | YES |
| Are the characteristics of | YES | ||||
the indoor heat exchanger thermistor |
| the indoor heat exchanger thermistor |
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| Repair |
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| Defective indoor unit heat |
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| exchanger thermistor |
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| Replacement |
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●Abnormal Temperature Detection
Check the remote controller for abnormal data.
Does the heating | YES | Adjust | |
overload state exist? |
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NO |
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Abnormal stop
Heating is possible.
5663
Indoor unit heat exchanger temp. (˚C)
Check the cooling system.
●Display condition
An abnormal stop occurs if this state is detected 5 times within 60 minutes of the first detection, or if the overload state is detected continuously for 6 minutes.
7
Error display | : e9 | [Drain trouble] |
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| Indoor unit |
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Red LED |
| 1 time flash | Red LED |
| Stays OFF | |
Green LED |
| Keeps flashing | Green LED |
| Keeps flashing |
Note (1) The green LED in the outdoor unit is used in the FDCA301 ~ 601 models only.
Abnormal data check
in remote controller |
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| DC 12 V | NO | |
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Is there any |
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overflow? |
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| of CNI? |
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| YES |
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| Float switch check |
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Drain motor ON from |
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remote controller. |
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Replacement indoor
unit PCB
DM
operation
YES
Is drain
piping unclogged?
Is the slop OK?
YES
DM check
NO
NO
Correction
- 17 -
AC 220/240 V | NO |
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at both terminals |
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of CNR? |
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YES |
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DM check of |
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motor wiring |
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Replacement indoor
unit control PCB