Fault Message - Danfoss AK-CC55 User Manual

User Guide | Controller for appliance control, AK-CC55

Fault message

In an error situation the alarm LED on the front will flash and the alarm relay will be activated (depending on priority). If you push the
top button for 3 seconds you can see the alarm report in the display.
(Alarm priorities can be changed. See alarm priorities on page 58).
Here are the messages that may appear:
Code / Alarm text via data
communication
A1/--- High t. alarm
A2/--- Low t. alarm
A4/--- Door alarm
A5/--- Max hold time
A11/--- No Rfg. sel.
A13/--- High temp S6
A14/--- Low temp S6
A15/--- DI1 alarm
A16/--- DI2 alarm
A45/--- Standby mode
A59/--- Case clean
A70/--- High Temp. B
A71/--- Low Temp. B
AA2/ ---Refrig Leak
AA3/--- CO2 alarm
a02/--- HighHumidity
a03/--- Low Humidity
a04/--- Wrong IO cfg
a05/--- High t. alarm C
a06/--- Low t. alarm C
--- AD Iced
--- AD flashgas
--- Max Def. Time (A,B,C)
E1/--- Ctrl. error
E6/--- RTC error
E20/--- Pe error
E24/--- S2 error
E25/--- S3 error
E26/--- S4 error
E27/--- S5 error
E28/--- S6 error
E34/--- S3 error B
E37/--- S5 error B
E59/---RH input err
E60/--- S4 error B
E61/--- S4 error C
E62/--- S2 error B
E63/--- S2 error C
© Danfoss | DCS (vt) | 2019.09
Description
High temperature alarm section A
Low temperature alarm section A
Door alarm
The "o16" function is activated during a coordinated defrost
No refrigerant selected
Temperature alarm. High S6
Temperature alarm. Low S6
DI1 alarm
DI2 alarm
Standby position (stopped refrigeration via r12 or DI input)
Appliance cleaning. Signal from DI input
High temperature alarm section B
Low temperature alarm section B
A refrigerant leak detection signal is received
A refrigerant leak detection signal is received and the selected refrigerant is CO2
Too high humidity
Too low humidity
Incorrect configuration of inputs and outputs
High temperature alarm section C
Low temperature alarm section C
Evaporator is iced up. Reduction of air flow
Flash gas is formed at the valve
Defrost stopped based on time instead of, as wanted, on temperature.
Section A / B / C
Faults in the controller
Check clock
Error on pressure transmitter Pe
Error on S2 sensor
Error on S3 sensor
Error on S4 sensor
Error on S5 sensor
Error on S6 sensor
Error on S3B sensor
Error on S5B sensor
Missing signal from humidity sensor
Error on S4B sensor
Error on S4C sensor
Error on S2B sensor
Error on S2C sensor
The alarm has
been placed in a
group
1
2
4
5
7
1
2
4
4
8
8
1
2
9
9
10
10
6
1
2
5
5
5
6
6
3
3
3
3
3
3
3
3
3
3
3
3
3
BC308437742037en-000101 | 63