Symptom: The Compressor Does Not Start (Space Heating Or Domestic Water Heating); Symptom: The System Is Making Gurgling Noises After Commissioning - Daikin Altherma 3 R F Installer's Reference Manual

13.3.2 Symptom: The compressor does NOT start (space heating or domestic water heating)

13.3.3 Symptom: The system is making gurgling noises after commissioning

ERLA03DAV3 + EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1 – 2019.10
Possible causes
The compressor cannot start if the
water temperature is too low. The unit
will use the backup heater to reach the
minimum water temperature (12°C),
after which the compressor can start.
The preferential kWh rate power supply
settings and electrical connections do
NOT match
The preferential kWh rate signal was
sent by the electricity company
Possible cause
There is air in the system.
Various malfunctions.
(a)
We recommend to purge air with the air purge function of the unit (to be
performed by the installer). If you purge air from the heat emitters or collectors,
mind the following:
WARNING
Air purging heat emitters or collectors. Before you purge air from heat emitters or
collectors, check if an error or
interface.
▪
If not, you can purge air immediately.
▪
If yes, make sure that the room where you want to purge air is sufficiently
ventilated. Reason: Refrigerant might leak into the water circuit, and
subsequently into the room when you purge air from the heat emitters or
collectors.
13 Troubleshooting
|
Corrective action
If the backup heater doesn't start
either, check and make sure that:
▪ The power supply to the backup
heater is correctly wired.
▪ The backup heater thermal protector
is NOT activated.
▪ The backup heater contactors are
NOT broken.
If the problem persists, contact your
dealer.
This should match with the connections
as explained in:
▪ "8.3.1 To connect the main power
4
supply" [ 82]
▪ "8.1.5 About preferential kWh rate
4
power supply" [ 78]
▪ "8.1.6 Overview
connections except
4
actuators" [ 79]
Wait for the power to return (maximum
2 hours).
Corrective action
Purge air from the system.
Check if is displayed on the home
pages of the user interface. You can
press to display more information
about the malfunction.
is displayed on the home pages of the user
of electrical
external
(a)
Installer reference guide
161