Troubleshooting 8
0020147164_07 aroTHERM Installation instructions
27
1
2
3
1.
Remove the side casing. (
→
Page 14)
2.
Remove both screws
(1)
.
3.
Lift off the cover.
4.
Remove the four screws
(2)
and remove the mesh
(3)
.
5.
Clean the product.
7.6
Draining the product
Conditions
: SW10 open-end spanner
▶
Disconnect the product from the power supply.
10mm
2
1
1
Heating circuit drain
cock
2
Drain hose
1.
Close the stop valves on the back of the heat pump.
2.
To drain the heating circuit, connect a hose to the drain
cock or place a vessel underneath the drain cock.
3.
Open the drain cock with an open-end spanner.
Note
If necessary, you can drain the heating
installation using this drain cock by opening
the stop valves on the back of the heat
pump.
7.7
Checking the product's status codes
Menu
→
Live Monitor
You can check the product's status codes at any time to see
which operating condition the heat pump is in. You can read
these codes on the display of the heat pump control module
or hydraulic station.
Status codes (
→
Page 34)
7.8
Checking the electrical installation
▶
Check the electrical installation and take all relevant dir-
ectives into account.
Checking the cable
If the product's mains power cable is damaged, then, in order
to avoid danger, only the manufacturer, the Customer Ser-
vice team or a similarly qualified person should replace the
mains power cable.
▶
To replace the mains power cable, see Carrying out the
electrical installation (
→
Page 17).
7.9
Start-up following maintenance
1.
After the maintenance work has been completed, start
up the product
–
see Start-up (
→
Page 21).
2.
If you have carried out work on load-bearing parts,
check that they are securely fitted.
3.
When you have completed work on the product, carry
out an operational and safety test.
8
Troubleshooting
8.1
Troubleshooting
You should carry out the following tests before introducing
additional steps:
▶
Make absolutely sure that the power supply was not cut
and that the product is correctly connected.
▶
Ensure that the service valves are open.
▶
Check that all external controllers are correctly connec-
ted.
8.2
Fault codes
The fault codes are described in a table in the Appendix.
Fault codes (
→
Page 38)
In the event of a fault, a fault code number is shown in the
controller's display.
▶
Carry out all necessary repairs.
▶
Switch the product on/off using the partition.
