Fault message
In an error situation the alarm LED on the front will be on and the alarm relay will be activated (depending on priority).
If you push the alarm button for 3 seconds you can see the alarm report in the display.
(Alarm priorities can be changed. See the User Guide.)
Here are the messages that may appear:
Code / Alarm text via data
communication
Description Alarm relay groups
(P41)
A1/--- High t.alarm
High temperature alarm
1
A2/--- Low t. alarm
Low temperature alarm
2
A4/--- Door alarm
Door alarm
4
A5/--- Max. hold time
The ”o16” function is activated during a coordinated defrost
5
A11/--- No Rfg. sel. No refrigerant selected 7
A13/--- High temp S6 Temperature alarm. High S6 1
A14/--- Low temp S6 Temperature alarm. Low S6 2
A15/--- DI1 alarm DI1 alarm 4
A16/--- DI2 alarm DI2 alarm 4
A45/--- Standby mode Standby position (stopped refrigeration via r12 or DI input) 8
A59/--- Case clean Appliance cleaning. Signal from DI input 8
A70/--- HighTemp.B Temperature alarm. High S3B 1
A71/--- Low Temp. B Temperature alarm. Low S3B 2
AA2/ ---Refrig Leak A refrigerant leak detection signal is received 9
AA3/--- CO alarm A refrigerant leak detection signal is received and the selected refrigerant is CO 9
a02/--- HighHumidity Too high humidity 10
a03/--- Low Humidity Too low humidity 10
a04/--- Wrong IO cfg The configuration of inputs and outputs is incorrect 6
--- AD Iced Evaporator is iced up. Reduction of air flow 5
--- AD flashgas Flash gas is formed at the valve 5
--- Max. Def. Time (A,B) Defrost stopped based on time instead of, as wanted, on temperature. Section A / B 5
E1/--- Ctrl. error Faults in the controller 6
E6/--- RTC error Check clock 6
E20/--- Pe error Error on pressure transmitter Pe 3
E24/--- S2 error Error on S2 sensor 3
E25/--- S3 error Error on S3 sensor 3
E26/--- S4 error Error on S4 sensor 3
E27/--- S5 error Error on S5 sensor 3
E28/--- S6 error Error on S6 sensor 3
E34/--- S3 error B Error on S3B sensor 3
E37/--- S5 error B Error on S5B sensor 3
E59/---RH input err Missing signal from the humidity meter 3
Data communication
The importance of individual alarms can be defined with a setting. The setting must be carried out in the group "Alarm destinations"
© Danfoss | DCS (vt) | 2019.07
AN294432763974en-000201 | 17
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