52 VELUX
SECTION III: SOLAR CONTROL SYSTEM
SECTION III: SOLAR CONTROL SYSTEM
5. Tips for fault localization
If a malfunction occurs, a notification is given on the display of the controller:
On the display the symbol
and the symbol
appears.
Sensor defect. An error code is shown
on the relevant sensor indication
channel instead of a temperature.
Pt1000-temperature sensors pinched
off can be checked with an ohmmeter.
In the following the resistance values
corresponding to different temperatures
are listed.
Line break.
Check the line.
Short-circuit.
Check the line.
- 888.8
888.8
Resistance values of the
Pt1000-sensors
1
2
S1
S2
S3
3
4
5
6
S4
7
8
14
13
12
T4A 220 ... 240V~
17
16
15
20
19
18
N R1 N L
N R2
1 (1) A (
1
220 ... 240)V~
(1) A (220 ... 240)V~
R1
R2
Temp. Sensor Pt1000
Fuse
Warning symbol
Содержание TFF 200
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