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Troubleshooting
Installer reference guide
157
ERLA EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1A – 2020.05
WARNING
Prevent hazards due to inadvertent resetting of the thermal cut-out: power to this
appliance MUST NOT be supplied through an external switching device, such as a
timer, or connected to a circuit that is regularly turned ON and OFF by the utility.
DANGER: RISK OF BURNING/SCALDING
13.3 Solving problems based on symptoms
13.3.1 Symptom: The compressor does NOT start (space heating or domestic water heating)
Possible causes
Corrective action
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.
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.
The preferential kWh rate power supply
settings and electrical connections do
NOT match
This should match with the connections
as explained in:
▪
"8.3.1 To connect the main power
supply"
▪
"8.1.5 About preferential kWh rate
power supply"
▪
The preferential kWh rate signal was
sent by the electricity company
Wait for the power to return (maximum
2 hours).
13.3.2 Symptom: The system is making gurgling noises after commissioning
Possible cause
Corrective action
There is air in the system.
Purge air from the system.
(a)
Various malfunctions.
Check if is displayed on the home
pages of the user interface. You can
press to display more information
about the malfunction.
(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:
Summary of Contents for ERLA03DAV3
Page 1: ...Installer reference guide Daikin Altherma 3 R F ERLA03DAV3 EHFZ03S18DJ3V...
Page 182: ...1 7 Field settings table 6 8 2 ID9E51 Applicable units EHFZ03S18DJ3V Notes 4P596829 1 2019 10...
Page 189: ......
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Page 192: ...4P596821 1A 2020 05 Copyright 2019 Daikin Verantwortung f r Energie und Umwelt...