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Troubleshooting
Service manual
47
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
3.3.40 E7-00 – Outdoor unit: Malfunction of outdoor unit fan motor
Trigger
Effect
Reset
Fan does NOT start
15~30 seconds after ON
signal.
It can occur that the error
code is triggered when
the fan motor is running
caused by a faulty
rotating sensor signal.
Unit will stop operating.
Manual reset via user
interface.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1
Perform a check of the outdoor unit fan motor. See
197].
Possible cause:
Faulty outdoor unit fan motor.
2
Perform a check of the main PCB. See
184].
Possible cause:
Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
3.3.41 E8-00 – Outdoor unit: Power input overvoltage
Trigger
Effect
Reset
Compressor running
current exceeds standard
value for 2.5 seconds.
Unit will stop operating.
Manual reset via user
interface.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1
Check the outdoor temperature. See
274].
Possible cause:
Outdoor temperature is out of operation range.
2
Perform a check of the compressor. See
148].
Possible cause:
Faulty compressor or miswiring of the compressor power
supply cable.
3
Perform a check of the main PCB. See
184].
Possible cause:
Faulty main PCB.
4
Check if the power supply is compliant with the regulations. See
draft – 31/05/2022 15:53
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