Gebwell Aries 12, Installation And Commissioning Manual

Page: 37 / 60

v 1-4 05022019 37
14 FAILURES
In most cases, the controller detects an operating failure
and indicates it by showing a failure notification on the
display. If a failure notification appears on the display,
make a note of the alert in the service log to facilitate any
service actions.
14.1 Alerts
When an alert is active, the alert symbol will appear on the
heat pump’s display.
Open the INFO menu for more information about the
alert. Always try to resolve the error yourself using the
troubleshooting table first. If you cannot resolve the error,
contact an authorised technician.
14.2 Troubleshooting
Follow these instructions if no failures are displayed.
Basic actions:
1. Check all of the connections
2. Check the fuses in the house and the heat pump
3. Check the residual current device
Low room temperature:

The heat pump is in the wrong operating mode
o
Set the heat pump’s heating functions to the
correct operating mode.

Thermostats closed on the radiators/floor heating
o
Open the thermostats in as many rooms as
possible
o
Adjust the room temperature in the Heating
area menu instead of closing the thermostats

The automation set point is too low
o
Increase the comfort set point on the
Heating area menu
o
Increase the set point for the gradient of the
heating curve on the
Heating area menu
o
Set the maximum set point for supply water
to a sufficiently high value on the
Heating
area menu.

The heating circuit’s time programme is on
o
Go to the Time programme heating circuit
menu and adjust the time programme

Air in the heating system
o
Release the air from the heating system

Closed valves between the accumulator and the heat
pipe network
o
Open the valves

Activated an external contact for decreasing the room
temperature
o
Check any external contacts
High room temperature:

The set values for the heating circuits are too high
o
If the room temperature is only too high
during cold weather, decrease the gradient
of the heating curve.
o
If the room temperature is too high during
mild weather, decrease the comfort set
value.
Domestic hot water is cold:

The domestic hot water function is not active.
o
Put the Operating mode for domestic hot
water in the On state

Domestic hot water consumption too high
o
Wait until the water warms up. When a
temporary period of high consumption
begins, you may select forced charging of
domestic hot water by pressing the domestic
hot water button on the user terminal for 3
seconds.

Set value too low
o
Go to the Domestic hot water menu and
increase the set value for domestic hot
water.

Supply mixing valve setting too small
o
Open the valve
Compressor does not start up:

No need for heat
o
Check the device’s status information on the
Info menu

The minimum compressor stop time is active
o
Wait 20 minutes and check whether the
compressor starts up

The device has a failure
o
Check the reason for the failure on the Info
menu and take the necessary measures with
the help of the troubleshooting table.