Danfoss AK-PC 530 User Manual

AK-PC 530 Manual RS8EJ302 © Danfoss 05-2010 17
The controller can give the following messages
E1 Error
message
Fault in controller
E2 Regulation is outside the range, or the control
signal is defective *
A2 Alarm
message
Low P0
A11 Refrigerant not selected
A17 High Pc
A19
Compressor 1 error
The actual compressors
safety circuit is
interrupted.
That is to say the signal
is missing on one of the
terminals 29-36
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
message
Regulation
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
Messages can be brought up on the display by briey 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
Service
Status on DI1 input u10
Status on DI2 input u37
Read temperature at sensor "Sc3"
u44 °C
Read temperature at sensor "Sc4"
u45 °C
Status on DI3 input u87
Status on DI4 input u88
Status on DI5 input u89
* 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).

Danfoss AK-PC 530 Specifications

General

Brand	Danfoss
Model	AK-PC 530
Category	Controller
Language	English