Danfoss EKE 1A User Manual

Label
Alarm description
Actions during ac‐
tive
Trigger (how the alarm IS
raised)
How to clear the alarm
Remark
E107
SH min higher than
SH max
Auto operation
blocked
SH max lower than SH low
Adjust SH max or SH low, SH
Max >=SH low
NO10 SH min. is set higher than N009 SH
max.
E108
OD min higher than
OD max
Auto operation
blocked
OD max lower than OD low
Adjust OD max or OD low, OD
Max >=0D low
1066 Minimum OD is set higher than NO32
Maximum OD
E109
No transmitter con-
gured for Pc
Auto operation
blocked
Application needs PC signal for
high condensing temperature
protection
Disable High condensing tem-
perature protection or cong-
ure PC transmitter
Operation is congured to use Pc transmit-
ter. but no Pc transmitter is congured.
Correct I022 Al4 conguration and check
I044 Pc transmitter conguration
E125
Al5 can't operate
with AKS sensor
Auto operation
blocked
ON EKE 1C AI5 conguration is
setup as AKS sensor
Set AI5 conguration to the of
NTC1OK type
EKE 1C don't support AKS sensor on AI5.
Please use a temperature sensor on NTC
type on AI5. Correct, I022 AI5 congura-
tion
E132
No sensor cong-
ured for S2
Auto operation
blocked
S2 Sensor conguration = Not
dened
No sensor type dened for S2
E133
No transmitter con-
gured for Pe
Auto operation
blocked
Pe transmitter conguration =
Not dened
No pressure transmitter type dened for
Pe
E134
Ext. ref. congura-
tion error
Correct setting
Check the ext. ref. signal and the ext. ref.
conguration.
8.1.2 Sensor alarms/errors
Table 56: Sensor alarms/errors
Label
Alarm description
Actions during ac‐
tive
Trigger (how the alarm IS
raised)
How to clear the alarm
Remark
E024
S2 suction pipe sen-
sor error
Alarm if backup sig-
nal is found, error if
no backup possible,
emergency cooling
Local sensor problem local sen-
sor outside range + hysteresis
Get the local sensor inside sig-
nal range
S2 suction pipe sensor signal is found to
be out of out of range, please check con-
nection and I040 S2 sensor conguration
E025
S3 media inlet sen-
sor error
Alarm if backup sig-
nal is found, error if
no backup possible,
emergency cooling
If S3 is used: local sensor prob-
lem local sensor outside range
+ hysteresis
S3 not used or get the local
sensor inside signal range
S3 media inlet sensor signal is found to be
out of out of range, please check connec-
tion and I041 S3 sensor conguration
E026
S4 media outlet sen-
sor error
Alarm if backup sig-
nal is found, error if
no backup possible,
emergency cooling
If S4 is used: local sensor prob-
lem local sensor outside range
+ hysteresis
S4 not used or get the local
sensor inside signal range
S4 media outlet sensor signal is found to
be out of out of range, please check con-
nection and I042 S4 sensor conguration
E020
Pe evaporator trans-
mitter error
Alarm if backup sig-
nal is found, error if
no backup possible,
emergency cooling
Local sensor problem local sen-
sor outside range + hysteresis
Get the local sensor inside sig-
nal range
Pe evaporator transmitter signal is found
to be out of out of range, please check
connection and I043 Pe transmitter cong-
uration
E121
Pc condenser trans-
mitter error
Alarm if backup sig-
nal is found, error if
no backup possible
Local sensor problem local sen-
sor outside range + hysteresis
Pc not used or get the local sen-
sor inside signal range
Pc transmitter signal is found to be out of
out of range, please check connection and
I044 Pc transmitter conguration
A982
Thermostatic signal
missing
Emergency Cooling
thermostat
If thermostat is used and S3 or
S4 signal missing (depending
on sensor select
Get valid signal on S3 or S4
Signal for thermostat is missing due to
sensor errors, check S3 or S4
A981
SH control signal
missing
Emergency cooling
SH control
Pe or S2 signal missing
Get valid signal on Pe and S2
Signal for superheat calculation is missing,
check S2 and Pe
E019
External reference
signal alarm
External reference out of range
+ hysteresis
get external signal inside range
External oset/reference signal is out of
range, please check connection and 0010
Ext ref conguration and relevant
high/low settings
A999
Dl1 unstable input
DI is set to o
DI is unstable, loose connection
more than 10 transition per mi-
nute
DI has stable low or high signal,
below 6 transitions per minute
DI1 is found be unstable (many on/o
within a Short time). Dl1 is set o until sta-
ble value is present. Check connection
A998
DI2 unstable input
DI2 is set to o
DI2 is unstable, loose connec-
tion more than 10 transitions
per minute
DI2 has stable low or high sig-
nal, below 6 transitions per mi-
nute
DI2 is found be unstable (many on/o
within a Short time). DI2 is set o until sta-
ble value is present. Check connection
A983
DI3 unstable input
DI3 is set to o
DI3 is unstable, loose connec-
tion more than 10 transitions
per minute
DI3 has stable low or high sig-
nal, below 6 transitions per mi-
nute
DI3 is found be unstable (many on/ o
within a Short time). DI3 is set o until sta-
ble value is present. Check connection
E102
Sensor supply over-
load
Bios make power
state on the actual
supply, automatic
operation blocked
Too much current draw on +5V
150mA+ or +15V (200mA+)
+5V below 50mA and +15V be-
low 30mA
Sensor supply is overloaded. The output is
set o until the load is reduced, Check for
Short to COM
E123
Low supply voltage
Operation is
blocked (main
switch is set to o;
stepper is not op-
erational)
Stepper voltage below 16V
Stepper voltage above 16V
Supply voltage is found to be lower than
expected tolerance
© Danfoss | Climate Solutions | 2022.06 BC398828796060en-000101 | 73
Superheat controller, Type EKE 1A, 1B, 1C, 1D

Danfoss EKE 1A Specifications

General

Brand	Danfoss
Model	EKE 1A
Category	Controller
Language	English