3
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Troubleshooting
Service manual
56
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
3
Perform a check of the compressor. See
Possible cause:
Faulty compressor or miswiring of the compressor power
supply cable.
4
Check liquid back issue. Check expansion valve operation. See
162].
Possible cause:
Expansion valve CANNOT keep minimum superheat of 3 K
while running as evaporator.
5
Check if the refrigerant circuit is correctly charged. See
256].
Possible cause:
Refrigerant overcharge.
6
Perform a check of the 4‑way valve. See
108].
Possible cause:
Faulty 4‑way valve.
7
Perform
a
check
of
the
discharge
pipe
thermistor.
See
Possible cause:
Faulty discharge pipe thermistor or connector fault.
8
Perform a check of the main PCB. See
Possible cause:
Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
3.3.53 H6-00 – Outdoor unit: Malfunction of position detection sensor
Trigger
Effect
Reset
Compressor fails to start
within 15 seconds after
the compressor run
command signal is sent.
Unit will NOT stop
operating.
Automatic reset after a
continuous operation of
10 minutes.
If the error re-occurs
within 8 minutes: 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 compressor. See
Possible cause:
Faulty compressor or miswiring of the compressor power
supply cable.
2
Perform a check of the main PCB. See
Possible cause:
Faulty main PCB.
3
Check that all stop valves of the refrigerant circuit are open. See
256].
Possible cause:
Closed stop valve in the refrigerant circuit.
4
Check if the refrigerant circuit is clogged. See
256].
draft – 31/05/2022 15:53
Summary of Contents for EBLA04E V Series
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