Alarms - Danfoss EKC 316A Reference Manual

Alarms

Symptom
All Light emitting diodes
flashing
Notes:
1) Only one alarm is displayed at a time in the controller display
and are shown in the order given above i.e. E15 will be dis-
played if S2 is not connected. If S2 is connected successfully
then the next alarm will be E17 if S3 is not connected. All alarms
are displayed in the AKM system.
2) The alarm E19 will only be active if address o10 is set to 1 or
more.
3) The alarm E17 and E18 will be only active if the Therm.Mode ad-
dress r14 is set to 1 or Reg.type address o56 is set to 3.
4) The battery alarm A44 is only active when Batt.alarm address
A34 is set to ON.
14
Possible Cause
S2 sensor cut-out.
S2 sensor short-circuited
S3 sensor cut-out
S3 sensor short-circuited
Analogue input outside range.
Pressure transmitter outside
range.
High Temperature alarm
Low Temperature alarm
No refrigerant selected
Supply to stepper motor
Battery alarm
Reference manual RS8ED102 © Danfoss 03-2006
Fault Message Remedy
E15 Check connections at terminals 18-19 and
sensor.
E16 Check connections at terminals 18-19 and
sensor.
E17 Check connections at terminals 18-20 and
sensor.
E18 Check connections at terminals 18-20 and
sensor.
E19
E20 Check pressure transmitter, connections at
14-15 and pressure.
A1 Check cooling is effective. Check thermo-
stat relay at terminals 8-9
A2 Check ETS valve is full open and relay at
terminals 8-9
A11 Select refrigerant
A43 Check connections from EKC316A to ETS
valve.
A44 Check the battery voltage is the nominal
voltage.
EKC 316A