Daikin EHSXB04P30A — installation and Maintenance Guide for Integrated Heat Pump Systems [44/68]

Daikin EHSX08P50A [44/68] X errors malfunctions and messages
Installation and maintenance manual
44
Daikin Altherma EHS(X/H)
Daikin Solar tank with integrated interior heat pump unit
008.1420744 – 06/2015
7 x Errors, malfunctions and messages
Heating does not warm
up enough
Water flow too low.
C
heck that all stop valves of the water circuit are
completely open.
Ch
eck that the water filter is dirty.
Check that the expansion tank is defective.
Fully vent the heating system and device-internal
circulation pump.
On th
e control unit (rotary switch position "Info" )
check that there is sufficient water pressure (>0.5 bar),
if necessary, refill the heating water.
Ch
eck that the resistance in the water circuit is not too
high for the pump (see installation manual for
"Technical Data").
Target value range is too low.
Increase
parameter [Heat-Slope].
Increase parameter [T vbh1 max].
Increase
parameter [Max T-Flow].
Weather-controlled flow temperature regula-
tion.
Check the settings on the "HC Configuration" level of
the parameters [T-Outside lim day], [Heat-Slope] and
the settings in the "Set Temp Day"
rotary switch
position.
Optional backup heater
(EKBUxx) or alterna-
tive heater not switched on.
Check the mains supply to the
backup heater
(EKBUxx).
T
hermal protection switch (STB) on Backup Heater
(EKBUxx) has been triggered. Unlock.
Check the parameters [Function Heating Rod] and
[BUH s1 power] and [BUH s2 power].
Water quantity in heating system too low
Ch
eck the primary pressure in the expansion
container and the water pressure, if necessary, refill
the heating water and reset the primary pressure
(see chapter 6.5).
Hot water supply is taking too much of the out-
put of the heat pump.
Check the settings of
the parameter [Function Heating
Rod] in level "Configuration", sub-level "Setup".
Ch
eck the settings of the parameter [Power DHW] in
level "Configuration", sub-level "System Configu-
ration".
Malfunction Possible cause Possible solution

Содержание

Discover essential troubleshooting tips for integrated heat pump systems. Ensure optimal performance with our comprehensive guide on installation and maintenance.

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