Danfoss Optyma Plus - Understanding Operating Status Codes; Normal Operation and Compressor Status Codes; Refrigeration Stop and Manual Control Status; Refrigerant Selection and Safety Cut-out Status

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 briey (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