Danfoss AK-PC 530 Manuel page 9

Service
Status on DI1 input
Status on DI2 input
Read temperature at sensor "Sc3"
Read temperature at sensor "Sc4"
Status on DI3 input
Status on DI4 input
Status on DI5 input
The controller can give the following messages
E1 Error Fault in controller
message
E2 Regulation is outside the range, or the control
signal is defective *
A2 Alarm Low P0
message
A11 Refrigerant not selected
A17 High Pc
A19 Compressor 1 error
A20 Compressor 2 error
A21 Compressor 3 error
A22 Compressor 4 error
A23 Compressor 5 error
A24 Compressor 6 error
A25 Compressor 7 error
A26 Compressor 8 error
A27 Room temperature alarm (Saux1 temp.)
A28 DI 1 alarm. Terminal 46 interrupted
A29 DI 2 alarm. Terminal 47 interrupted
A30 DI 3 alarm. Terminal 49 interrupted
A31 DI 4 alarm. Terminal 50 interrupted
A32 DI 5 alarm. Terminal 52 interrupted
A34 Fan alarm. There is no signal on DI1 input
A45 Regulation stopped
S0 Status Regulation
message
S2 Wait for "c01"
S5 Wait for "c07"
S8 Wait for "c11" or "c12"
S9 Wait for "c14" or "c15"
S10 Refrigeration stopped by the internal or external
start/stop function
S25 Manual control of outputs
S34 Safety cutout. Setting A30 is exceeded or all
safety inputs (29-36) are open
PS Info Access code is required before you have access to
the settings
* 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).
AK-PC 530
u10
u37
u44
u45
u87
u88
u89
The actual compressors
safety circuit is
interrupted.
That is to say the signal
is missing on one of the
terminals 29-36
Instructions RI8LZ452 © Danfoss 05/2010
Messages can be brought up on the display by briefly pressing
the uppermost key. If there is more than one alarm, they can be
scrolled through
Factory setting
If you need to return to the factory-set values, it can be done in
this way:
- Cut out the supply voltage to the controller
- Keep the middle button pressed at the same time as you recon-
nect the supply voltage
°C
°C
9