Optyma Plus
TM
User
Guide RS8GD602 © Danfoss 2015-10
11
Operating status
(Measurement)
The controller goes through some regulating situations where it is just waiting for
the next point of the regulation. To make these “why is nothing happening” situations
visible, you can see an operating status on the display. Push briefly (1s) the upper
button. If there is a status code, it will be shown on the display. The individual status
codes have the following meanings:
Ctrl. state:
Normal regulation
S0
0
When the compressor is operating it must run for at least x minutes.
S2
2
When the compressor is stopped, it must remain stopped for at least x minutes.
S3
3
Refrigeration stopped by main switch. Either with r12 or a DI-input
S10
10
Manual control of outputs
S25
25
No refrigerant selected
S26
26
Safety cut-out Max. condensing pressure exceeded. All compressors stopped.
S34
34
Other displays:
Password required. Set password
PS
Regulation is stopped via main switch
OFF
No refrigerant selected
ref
No type has been selected for the condensing unit.
typ
