82
0
1.
If these have not yet been actioned: Set service
mode (see page 75).
Note
The cooling process on the fuel cell module lasts
approximately 90 min. Only then should mainte-
nance work on the fuel cell module be started.
!
Please note
If this waiting time is not observed,
there is a risk of scalding and damage to
the appliance.
0
2.
Remove the front panel of the fuel cell module and
programming unit cover
A
. See page 68.
0
3.
Select
"01"
using / .
0
4.
Press
SET
.
"oFF"
flashes.
0
5.
Within the next 30 s select
"on"
using / .
0
6.
Press
SET
.
The
MNT
indicator lights up. The fuel cell module
is in "Commissioning/maintenance" mode.
0
7.
Select
"22"
using / .
0
8.
Press and hold
SET
for at least 3 s.
Under
STATE
,
"01"
and
"02"
appear in succes-
sion.
The water can be drained when
"02"
flashes.
0
9.
Place a shallow container of sufficient size (min.
5 l) below drain ports
B
.
10.
Undo the screw and remove right-hand cover
C
for ventilation.
11.
Undo the screw in drain port
D
approx. 1.5 turns.
12.
Remove plug
F
(do
not
remove screw
E
).
13.
When no more water emerges and
"04"
is flash-
ing under
STATE
, close openings
C
,
D
and
F
again.
14.
Press
SET
.
"End"
and
"nP"
will appear alternately under
STATE
.
Replacing the distilled water filter element and air filter
Replace the distilled water filter element and air filter
every two years.
For parts, see page 163.
!
Please note
Take care to avoid injury from sharp edges.
Wear personal protective equipment (safety
gloves).
Note
Never lubricate the gaskets.
Commissioning, inspection, maintenance
2-yearly maintenance of fuel cell module
(cont.)
5775 636 GB
Summary of Contents for C3TB
Page 136: ...136 Troubleshooting Repairs gas condensing module cont 5775 636 GB Diagnosis ...
Page 143: ...143 Parts lists Heat cell assembly 5775 636 GB Components ...
Page 160: ...160 Parts not shown 0009 PCB IU100 B30 Parts lists Fuel cell assembly 5775 636 GB Components ...
Page 161: ...161 Parts lists Fuel cell assembly cont 5775 636 GB Components ...
Page 187: ...187 5775 636 GB ...
