Failures; Alerts; Troubleshooting - Gebwell Aries Series Installation And Commissioning Manual

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
Set the heat pump's heating functions to the
o
correct operating mode.

Thermostats closed on the radiators/floor heating
Open the thermostats in as many rooms as
o
possible
Adjust the room temperature in the Heating
o
area menu instead of closing the thermostats

The automation set point is too low
Increase the comfort set point on the
o
Heating area menu
Increase the set point for the gradient of the
o
heating curve on the Heating area menu
Set the maximum set point for supply water
o
to a sufficiently high value on the Heating
area menu.

The heating circuit's time programme is on
Go to the Time programme heating circuit
o
menu and adjust the time programme

Air in the heating system
Release the air from the heating system
o

Closed valves between the accumulator and the heat
pipe network
Open the valves
o

Activated an external contact for decreasing the room
temperature
Check any external contacts
o
High room temperature:

The set values for the heating circuits are too high
If the room temperature is only too high
o
during cold weather, decrease the gradient
of the heating curve.
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If the room temperature is too high during
o
mild weather, decrease the comfort set
value.
Domestic hot water is cold:

The domestic hot water function is not active.
Put the Operating mode for domestic hot
o
water in the On state

Domestic hot water consumption too high
Wait until the water warms up. When a
o
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
Go to the Domestic hot water menu and
o
increase the set value for domestic hot
water.

Supply mixing valve setting too small
Open the valve
o
Compressor does not start up:

No need for heat
Check the device's status information on the
o
Info menu

The minimum compressor stop time is active
Wait 20 minutes and check whether the
o
compressor starts up

The device has a failure
Check the reason for the failure on the Info
o
menu and take the necessary measures with
the help of the troubleshooting table.
37