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Troubleshooting
Service manual
67
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
3.3.70 P1-00 – Open phase power supply imbalance
Trigger
Effect
Reset
Malfunction in
transmission system
inside the outdoor unit.
Unit will stop operating.
Automatic reset.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1
Perform a check of the main PCB. See
184].
Possible cause:
Faulty main PCB.
2
Check if the power supply is compliant with the regulations. See
Possible cause:
▪
Faulty or disturbance of the power supply (power supply MUST be within
range of nominal operating voltage ±4%),
▪
Power drop,
▪
Short circuit.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
3.3.71 P3-00 – Abnormal direct current
Trigger
Effect
Reset
Malfunction decision by
exceeding direct current
limit value.
Unit will stop operating.
Automatic reset.
To solve the error code
1
Replace the main PCB. See
184].
Possible cause:
Onboard sensor error.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
3.3.72 P4-00 – Outdoor unit: Malfunction of radiating fin temperature sensor
Trigger
Effect
Reset
Radiating fin thermistor
input is out of range.
Unit will stop operating.
Manual reset via user
interface.
draft – 31/05/2022 15:53
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