3
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Troubleshooting
Service manual
23
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
3.3.5 7H-07 – Water flow problem. Pump de-blocking active
Trigger
Effect
Reset
Unit detects that the
water pump might be
blocked.
Unit will NOT stop
operating. Water pump
de‑blocking routine
started (30 minutes).
Automatic reset when
water pump is
de‑blocked.
To solve the error code
1
No specific check / repair procedures can be performed to solve this error
code. Wait until the water pump de–blocking routine is finished (±30 minutes
maximum).
INFORMATION
As long as the water pump de‑blocking routine is active, the error code will be
displayed on the user interface.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
3.3.6 7H-08 – Pump abnormality during normal operation (pump feedback)
Trigger
Effect
Reset
Pump PWM feedback
abnormality detected
during pump ON
command. "Pump
blockage" or "Electrical
error".
Unit will NOT stop
operating.
Automatic reset when
pump PWM feedback is
normal for 30 seconds.
To solve the error code
1
Perform a check of the water pump. See
Possible cause:
Faulty water pump.
2
Perform a check of the hydro PCB. See
175].
Possible cause:
Faulty hydro PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
draft – 31/05/2022 15:53
Summary of Contents for EBLA04E V Series
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