3
|
Troubleshooting
Service manual
33
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
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.
3.3.22 A5-00 – Outdoor unit: High pressure peak cut / freeze protection problem
Trigger
Effect
Reset
Pressure is too high in
heating / domestic hot
water, too low in cooling.
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 water pressure. See
265].
Possible cause:
Water pressure is too low.
2
Check the water flow. See
265].
Possible cause:
Water flow is too low.
3
Check that all stop valves of the water circuit are open. See
Possible cause:
Closed stop valve in the water circuit.
4
Purge the water circuit. See
265].
Possible cause:
Air in the water circuit.
5
Perform a check of the outdoor air thermistor. See
217].
Possible cause:
Faulty ambient air thermistor.
6
Perform a check of the expansion valve. See
162].
Possible cause:
Faulty expansion valve.
7
Check that all stop valves of the refrigerant circuit are open. See
Possible cause:
Closed stop valve in the refrigerant circuit.
8
Check if the refrigerant circuit is clogged. See
Possible cause:
Clogged refrigerant circuit.
9
Check if the refrigerant circuit is correctly charged. See
Possible cause:
Refrigerant overcharge or shortage.
10
Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See
256].
Possible cause:
Non‑condensables and/or humidity in the refrigerant circuit.
draft – 31/05/2022 15:53
Summary of Contents for EBLA04E V Series
Page 322: ...14 14...
Page 323: ......