Handing the product over to the operator 9
0020230533_01 ecoFIT pure Installation and maintenance instructions
21
Conditions
: Water hardness: > 3.57 mol/m
³
–
Hot water temperature:
≤
50
℃
9
Handing the product over to the
operator
▶
When you have finished the installation, attach the sticker
supplied (in the operator's language) to the product
cover.
▶
Explain to the operator how the safety devices work and
where they are located.
▶
Inform the operator how to handle the product.
▶
In particular, draw attention to the safety information
which the operator must follow.
▶
Inform the operator of the necessity to have the product
maintained on a regular basis.
▶
Instruct the operator about measures taken to ensure the
supply of combustion air and flue gas pipe.
10 Troubleshooting
10.1
Rectifying faults
▶
If fault messages (
F.xx
) appear, rectify the fault after
referring to the table in the appendix or using the check
programmes. (
→
Page 14)
Overview of fault codes (
→
Page 32)
If several faults occur at the same time, the display shows
the corresponding fault messages for two seconds each in
alternation.
▶
Press
(max. three times) to restart the product.
▶
If you are unable to remedy the fault and the fault recurs
despite fault clearance attempts, contact customer ser-
vice.
10.2
Calling up and clearing the fault memory
The last 10 fault messages are stored in the fault memory.
▶
Call up the installer level. (
→
Page 13)
▶
Navigate to the
fault codes
.
◁
The number of faults that have occurred is shown in
the display and the faults that are currently called up
are displayed with their fault numbers
F.xx
.
▶
Press
or
to call up individual fault messages.
▶
To delete the entire fault list, navigate to diagnostics code
D.094
in the installer level.
▶
Set the diagnostics code to
1
, and confirm by pressing
.
10.3
Resetting parameters to factory settings
1.
Navigate to diagnostics code
D.096
in the installer level.
2.
Set the diagnostics code to 1, and confirm by pressing
.
10.4
Preparing the repair work
1.
Switch off the product.
2.
Disconnect the product from the power mains.
3.
Remove the front casing.
4.
Close the gas isolator cock.
5.
Close the service valves in the heating flow and in the
heating return.
6.
Close the service valve in the cold water pipe.
7.
Drain the product if you want to replace water-bearing
components of the product.
8.
Ensure that water does not drip on live components
(e.g. the electronics box).
9.
Use only new seals and O-rings. Do not use any addi-
tional sealing materials.
10.5
Replacing defective components
10.5.1 Replacing the burner
1.
Remove the gas-air mixture unit. (
→
Page 25)
2.
Remove the two burner seals.
3.
Remove the burner.
4.
Insert the new burner.
5.
Insert two new burner seals in the burner cover.
6.
Install the gas-air mixture unit. (
→
Page 26)
10.5.2 Replacing the gas-air mixture unit
1.
Remove the gas-air mixture unit. (
→
Page 25)
2.
Install the new gas-air mixture (
→
Page 26).
10.5.3 Replacing the heat exchanger
1.
Remove the front casing. (
→
Page 9)
2.
Remove the gas-air mixture unit. (
→
Page 25)
1
A
B
3.
Remove the gas pipe
(1)
.
