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▽
If the seal is no longer present or is damaged, re-
place it.
4.
Fill the condensate siphon (E).
5.
Reattach the condensate siphon.
6.
Connect the condensate discharge hose.
12.5.11 Completing cleaning and inspection work
1.
Hinge the electronics box upwards.
2.
Install the front casing. (→ Page 19)
3.
Establish the power supply if this has not yet been
done.
4.
Open all service valves and the gas stopcock if this has
not yet been done.
5.
Switch the product back on if this has not yet been
done. (→ Page 29)
6.
Check the product for tightness. (→ Page 32)
12.6
Draining the product
1
1.
Close the service valves of the product.
2.
Remove the front casing. (→ Page 19)
Alternatives 1:
3.
▶
Place a container under the drain cock (1).
Alternatives 2:
3.
▶
Connect the drain cock (1) to the sewage system.
4.
Unscrew the automatic air vent cap from the internal
pump.
5.
Start up the product.
6.
Open the drain cock (1).
7.
Start check programme P.08. (→ Page 27)
◁
The product (heating circuit) is drained.
8.
Close the drain cock as soon as the product has
drained.
9.
Turn the cap on the automatic air vent to close it.
10.
Install the front casing. (→ Page 19)
11.
Temporarily decommission the product. (→ Page 42)
12.7
Completing inspection and maintenance
work
▶
Check the gas connection pressure/gas flow pressure.
(→ Page 30)
▶
Check the CO₂ content. (→ Page 31)
▶
Check the product for tightness. (→ Page 32)
▶
Log the inspection/maintenance work.
▶
Fill out the relevant Service Record section in the Bench-
mark Checklist located at the rear of this document.
40
13 Troubleshooting
13.1
Querying the fault memory
1.
Call up the installer level. (→ Page 27)
2.
Use
to select the fault memory F. menu.
3.
Confirm by pressing
4.
Use
or
to scroll through the last 10 faults in the
cylinder.
◁
Number 01 in the sequence corresponds to the
fault that occurred last.
◁
The sequence position and fault number are dis-
played alternately.
5.
Press
to exit the fault memory.
6.
Exit the installer level. (→ Page 27)
13.2
Eliminating faults
Active faults appear in the display's basic display.
▶
Call up the fault memory to find out which faults occurred
most recently on the product. (→ Page 40)
▶
Use the table in the appendix to eliminate the faults.
Fault codes (→ Page 47)
▶
Press and hold the
button for longer than
three seconds to reset the product (maximum five times).
◁
rE is shown in the display.
▽
rE flashes rapidly after five reset attempts.
▶
Press
to stop the flashing and to restart the
product.
▶
If you are unable to eliminate the fault and the fault re-
curs despite several reset attempts, contact Customer
Service.
13.3
Resetting parameters to factory settings
1.
Note down the installation-specific settings and the set
values for d.50 and d.51. (→ Page 27)
2.
Set diagnostics code d.96 to 1. (→ Page 27)
◁
Parameters are restored to the factory settings.
3.
Check the installation-specific settings and the set val-
ues for d.50 and d.51, and adjust these, if required.
4.
Exit the installer level. (→ Page 27)
13.4
Replacing defective components
Carry out the preparatory work before replacing any of the
components.
▶
Prepare the repair work. (→ Page 41)
Carry out the completion work after replacing any of the
components.
▶
Complete the repair work. (→ Page 41)
13.4.1 Procuring spare parts
The original components of the product were also certified
by the manufacturer as part of the declaration of conformity.
If you use other, non-certified or unauthorised parts during
maintenance or repair work, this may void the conformity of
the product and it will therefore no longer comply with the
applicable standards.
We strongly recommend that you use original spare parts
from the manufacturer as this guarantees fault-free and safe
Installation and maintenance instructions Compact 0020313973_01
.
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