Dantherm Silencio 600 Service Manual page 15

Description of the control board,
The LED gives you different signals. The below table gives you a description of each
Signals of LED
signal:
1 × Green LED
3 × Yellow LED
1 × Red LED
When activating the test button the unit starts the test program. The unit will run through
Test description
the different tests according to the below table.
The fail LED will operate normally indicating fail if and when detected.
If any fail is detected during the test, the LED will flash with a frequency of 1 Hz for
30 seconds after the test is done to indicate some fault were detected.
Here are the test points for the Silencio 600:
Test points,
Silencio 600
Part
Supply
Compressor
Heat
Link
Fail
1 IDLE Off Closing
2 Heating On Closing
mode
3 Free Off Opening 700 RPM
cooling
4 Active Off Closing
cool
5 IDLE Off Closing
continued
Function
Lit as soon as the controller is powered up
Lit when the active cooling is operating
Lit when the heater is operating
Lit when (and 10 min. after) valid
communication is in progress
Lit in case of a detected failure, see details in
section "Fault finding guide", page 71.
Stopped Stopped
400 RPM Stopped
Stopped
700 RPM Running
Stopped Stopped
Stopped Jingle 30 sec.
Stopped Normal 60 sec.
450 RPM Normal 60 sec.
700 RPM Normal 60 sec.
Stopped Normal 30 sec.
Continued overleaf
15