Danfoss EKC 414A Manual page 16

Continued from previous page
Service
The following readouts can be performed via the belonging parameter
Defrost sensor S5 S
def
Status on DI-input
Defrost time
Air temperature S3 (S )
in
Status on night operation (on or off )
Status on ON-input
Status on DO-output
Air temperature S4 (S )
out
Thermostat temperature
Thermostat cut-in time
Temperature at S2
Superheat
Superheat reference
AKV valve's actual opening degree
Evaporating pressure
Evaporating temperature
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 both buttons depressed at the same time as you reconnect the supply voltage
16
Para-
meter
°C
u09
u10
min.
u11
u12 °C
u13
u14
u15
u16 °C
u17 °C
u18 min.
u20 °C
u21 K
u22 K
%
u23
u25 bar
°C
u26
Manual RS8CK502 © Danfoss 05-2005
The controller can give the following messages:
Error message
E1 Fault in controller
E4 Defrost sensor disconnected
E5 Shortcircuited defrost sensor
E6 Change battery and check clock
E7 S4 (S
E8 Shortcircuited S4 (S
E9 S3 (S
E10 Shortcircuited S3 (S
E15 S2 sensor disconnected
E16 Shortcircuited S2 sensor
E20 AKS 32R fault
Alarm message
A1 High temperature alarm
A2 Low temperature alarm
A4 Door alarm
Function "O16" activated during a coordinated
A5
defrost
A10 Control problem
A11 No refrigerant selected
Status message
S1 Waiting for end of the coordinated defrost
S2 Waiting for end of compressor ON time
S3 Waiting for end of compressor OFF time
Defrost sequence. Evaporator drips off and
S4
waits for the time to expire
Refrigeration stopped by the internal or exter-
S10
nal start/stop function
S11 Thermostat cut out
S14 Defrost sequence. Defrost in progress
S15 Defrost sequence. Fan waiting for time to elapse
S16 Refrigeration stopped due to open ON input
S17 Door is open. Input DI is open
Melt function in progress (refrigeration inter-
S18
rupted)
S19 Modulating thermostat control
S20 Emergency refrigeration due to sensor error
S22 Start-up phase 2. Evaporator is charged
S23 Adaptive control
Start-up phase 1. Signal reliability from the sen-
S24
sors is checked
S25 Manual control of outputs
S26 No refrigerant selected
non Time delay on outputs during start-up
PS Password required. Set password
) sensor disconnected
out
)
out
) sensor disconnected
in
) sensor
in
EKC 414A