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6 Troubleshooting
WARNING
The appliance shall be stored in a room without
continuously operating ignition sources (example: open
flames, an operating gas appliance or an operating electric
heater).
WARNING
▪ Do NOT pierce or burn refrigerant cycle parts.
▪ Do NOT use cleaning materials or means to accelerate
the defrosting process other than those recommended
by the manufacturer.
▪ Be aware that the refrigerant inside the system is
odourless.
WARNING
The refrigerant inside the unit is mildly flammable, but
normally does NOT leak. If the refrigerant leaks in the
room and comes in contact with fire from a burner, a
heater, or a cooker, this may result in fire, or the formation
of a harmful gas.
Turn off any combustible heating devices, ventilate the
room, and contact the dealer where you purchased the
unit.
Do NOT use the unit until a service person confirms that
the part from which the refrigerant leaked has been
repaired.
5.2
To find the contact/helpdesk
number
1 Go to [8.3]: Information > Dealer information.
6
Troubleshooting
Contact
For the symptoms listed below, you can try to solve the problem
yourself. For any other problem, contact your installer. You can find
the contact/helpdesk number via the user interface.
6.1
To display the help text in case of a
malfunction
In case of a malfunction, the following will appear on the home
screen depending on the severity:
▪
: Error
▪
: Malfunction
You can get a short and a long description of the malfunction as
follows:
1 Press the left dial to open the main menu and go to
Malfunctioning.
Result: A short description of the error and the error
code is displayed on the screen.
2 Press
in the error screen.
Result: A long description of the error is displayed
on the screen.
Operation manual
14
6.2
Symptom: You are feeling too cold
(hot) in your living room
Possible cause
The desired room temperature is
too low (high).
The desired room temperature
cannot be reached.
The weather-dependent curve is
set incorrectly.
6.3
Symptom: The water at the tap is
too cold
Possible cause
You ran out of domestic hot
water because of unusual high
consumption.
The desired DHW tank
temperature is too low.
6.4
Symptom: Heat pump failure
When the heat pump fails to operate, the backup heater and/or
booster heater can serve as an emergency heater and either
automatically or non-automatically take over the heat load.
▪ When auto emergency is set to Automatic and a heat pump
failure occurs:
▪ For EHVH/X: The backup heater will automatically take over the
heat load and domestic hot water production
▪ For EHBH/X: The backup heater will automatically take over the
heat load, and the booster heater in the optional tank will
automatically take over the domestic hot water production.
EABH/X16DF6V+9W + EAVH/X16S(U)18+23DA6V+9W
Corrective action
Increase (decrease) the desired
room temperature. See
"To
change the desired room
temperature" [ 4 7].
If the problem recurs daily, do
one of the following:
▪ Increase (decrease) the room
temperature preset value. See
the user reference guide.
▪ Adjust the room temperature
schedule. See
"3.7 Schedule
Example" [ 4 9].
screen:
Increase the desired leaving
water temperature in accordance
with the heat emitter type. See
"To change the desired leaving
temperature" [ 4 7].
water
Adjust the weather-dependent
curve. See the user reference
guide.
Corrective action
If you immediately need domestic
hot water, activate the DHW tank
Powerful operation. However,
this consumes extra energy. See
"Using DHW powerful
operation" [ 4 8].
If the problems recurs daily, do
one of the following:
▪ Increase
the
DHW
tank
temperature preset value. See
the user reference guide.
▪ Adjust
the
DHW
tank
temperature
schedule.
Example:
Program
to
additionally
heat
up
the
DHW tank to a preset value
(Eco setpoint = lower tank
temperature) during the day.
See
"3.7 Schedule screen:
Example" [ 4 9].
Daikin Altherma 3 H F+W
4P644480-1 – 2020.12
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