10 Manual RS8EJ302 © Danfoss 05-2010 AK-PC 530
Operating status
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 briey (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
EKC state
S0: Regulation 0
S2: When the relay is operated, it must be activated for min. x minutes (cf. c01) 2
S5: Renewed cutin of the same relay must not take place more often than every x minutes (cf.
c07)
5
S8: The next relay must not cut in until x minutes have elapsed (cf.c11-c12) 8
S9: The next relay must not cut out until x minutes have elapsed (cf. c14-c15) 9
S10: Regulation stopped with the internal og external start/stop 10
S25: Manual regulation of outputs 25
S34: Safety cutout. Setting A30 is exceeded 34
Alarm messages Alarms "Destinations"
A2: Low P0 A02 Low P0 alarm
A11: No refrigerant has been selected (cf. o30) A11 No RFG Sel
A17: High Pc A17 Hi Pc alarm
A19 ....A26: Compr. fault. Interupted signal on actual input (terminal 29-36) A19..... A26 Comp._fault
A27: High temperature alarm for sensor "Saux1" A27 Saux1 high
A28 .... A32: External alarm. Interrupted signal on input "DI1" /2/3/4/5 A28..... A32 DI_ Alarm
A34: Fan alarm. There is signal on DI1 input A34 Fan fault
A45: Regulation stopped with setting or with external switch A45 Stand by
E1: Error in the controller E1 Ctrl. fault
E2: Control signal outside the range (short-circuited/interrupted)
At water cooler management without frost protection may alarm from a not mounted P0
input suppressed by connecting the signal from the PC (terminal 61) to P0 (terminal 58).
E2 Out of range
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