Troubleshooting 10
0020257319_02 Hydraulic station Installation and maintenance instructions
39
9.3
Setting the flow temperature in heating mode
(with no control connected)
1.
Press
( ).
◁
The display shows the flow temperature in heating
mode.
2.
Change the flow temperature in heating mode by press-
ing
or
.
–
Max. heating mode target flow temperature: 75
℃
3.
Confirm this change by pressing
(
OK
).
9.4
Instructing the end user
Danger!
Risk of death from legionella.
Legionella multiply at temperatures below
60 °C.
▶
Ensure that the end user is familiar with
all of the Anti-legionella measures in order
to comply with the applicable regulations
regarding legionella prevention.
▶
Explain to the end user how the safety devices work and
where they are located.
▶
Inform the end user how to handle the product.
▶
Draw particular attention to the safety warnings, which
the end user must follow.
▶
Inform the end user that they must have the product
maintained in accordance with the specified intervals.
▶
Explain to the end user how to check the system's water
volume/filling pressure.
▶
Pass all of the instructions and documentation for the
product to the end user for safe-keeping.
10 Troubleshooting
10.1
Contacting your service partner
If you contact your service partner, please mention if pos-
sible:
–
The fault code that is displayed (
F.xx
)
–
The status code (
S.xx
) that is displayed by the product in
the Live Monitor
10.2
Displaying the Live Monitor (current product
status)
Menu
→
Live Monitor
Status codes in the display provide information on the pro-
duct's current operating mode. These can be called up via
the
Live Monitor
menu.
Status codes (
→
Page 50)
10.3
Checking fault codes
The display shows a fault code
F.xxx
.
Fault codes have priority over all other displays.
Fault codes (
→
Page 53)
If multiple faults occur at the same time, the display shows
the corresponding fault codes for two seconds each in se-
quence.
▶
Eliminate the fault.
▶
To restart the product, press the reset button ( Operating
instructions).
▶
If you are unable to eliminate the fault and the fault re-
curs despite several reset attempts, contact Customer
Service.
10.4
Querying the fault memory
Menu
→
Installer level Fault list
The product has a fault memory. You can use this to query
the last ten faults that occurred in chronological order.
Display views:
–
Number of faults that occurred
–
The fault currently selected with fault number
F.xxx
▶
Use the
or
button to display the last ten faults that
occurred.
10.5
Resetting the fault memory
1.
Press
Delete
.
2.
Confirm that you wish to clear the fault memory by
pressing
OK
.
10.6
Using check programmes
You can also use the check programmes for troubleshooting.
(
→
Page 37)
10.7
Resetting parameters to factory settings
▶
Select
Menu
→
Installer level
→
17
→
Resets
to reset
all of the parameters at the same time and to restore the
product to its factory settings.
10.8
Safety cut-out
The product has a safety cut-out.
If the safety cut-out has tripped, the cause must be elimin-
ated and the safety cut-out replaced.
▶
See the "Fault codes" table in the appendix.
Fault codes (
→
Page 53)
▶
Check the back-up heater for damage due to overheat-
ing.
▶
Check that the power supply for the power supply PCB is
working properly.
▶
Check the cabling for the power supply PCB.
▶
Check the cabling for the back-up heater.
▶
Check that all temperature sensors are working properly.
▶
Check that all other sensors are working properly.
▶
Check the pressure in the heating circuit.
▶
Check that the heating circuit pump is working properly.
▶
Check whether there is air in the heating circuit.
