29
6.8 Fan speed mode (
<00
)
Using the ‘
m
’ -key, press repeatedly until ‘
code’
-display shows alternate flashing half
digits.
The value in the
t
-display shows the actual fan speed using two alternate double
digits as table:
Code
Description
Example 5250 r/m
,
Fan speed
52
hundreds
>
Fan speed
50
units
Table 11 Fan speed mode service level
6.9 Failure mode (
x00
)
To check the latest failure with the accompanying operating codes and relevant
temperatures.
Using the ‘
m
’ -key, press repeatedly until
1
(flashing digit) appears in the ‘
code’
-display.
Then select the required
code
2
,
3
or
4
etc. using the ‘
s
’-key and read off the
relevant value.
Code
t
Description
1
37
Display of failure code
(see Par. 10.2)
2
03
Operating mode during failure
3
53
Flow temperature during failure
4
40
Return temperature during failure
5
60
DHW temperature during failure
6
3&
n/a
Table 12 Failure mode on service level
Example as above:
Failure code
37
indicates the return temperature sensor failed during HTG operation
(
03
), at a flow temperature of 53°C, a return temperature of 40°C and DHW
temperature of 60°C.
