Superheat controller and stepper valve driver, Type EKE 1A, 1B, 1C, 1D
8.1.7 Stop state alarm
Table 68: Stop state alarm
Label
Alarm
Actions during ac‐
descrip‐
tive
tion
W002
Standby
mode
8.1.8 Manual mode alarm
Table 69: Manual mode alarm
Label
Alarm description
Actions during ac‐
tive
W003
Manual control
8.1.9 Index Alarm
Table 70: Alarm label
Label
Alarm name
E100
Valve con guration error
E101
Con guration error
E102
Sensor supply overload
E024
S2 suction pipe sensor error
E025
S3 media inlet sensor error
E026
S4 media outlet sensor error
E020
Pe evaporator transmitter error
E121
Pc condenser transmitter error
E019
External reference signal alarm
E011
No refrigerant selected
E103
No valve con gured
E122
Shared signal timeout
E128
Ext. ref. signal timeout
A997
Battery critical low voltage
A996
Battery too high voltage
W001
Battery low voltage
A994
Low S4 media outlet temperature
A993
High temperature
A992
Low temperature
A991
High evaporation pressure (MOP)
A990
Low evaporation pressure (LOP)
A989
High condensing temperature
A988
High superheat
A987
Low superheat
A986
Lack of valve capacity
W002
Standby mode
W003
Manual control
SH reference too close to SH close
E104
setpoint
LOP setpoint too close to MOP set-
E105
point
E129
No sensor con gured for S4
E106
No sensor con gured for S3
E107
SH min higher than SH max
E108
OD min higher than OD max
E109
No transmitter con gured for Pc
Check valve step mode vs position-
E114
ing
E115
Valve speed too fast
E116
Valve speed too slow
© Danfoss | Climate Solutions | 2024.08
Trigger (how the alarm IS
How to clear the alarm
raised)
Controller is in stop state
Controller not in stop state
Trigger (how the alarm IS
How to clear the alarm
raised)
Controller is in manual state
Controller not in manual state
Modbus PNU
Bit number
1901
8
1901
9
1901
10
1901
11
1901
12
1901
13
1901
14
1901
15
1901
0
1901
1
1901
2
1901
3
1901
4
1901
5
1901
6
1901
7
1902
8
1902
9
1902
10
1902
11
1902
12
1902
13
1902
14
1902
15
1902
0
1902
1
1902
2
1902
3
1902
4
1902
5
1902
6
1902
7
1903
8
1903
9
1903
10
1903
11
1903
12
Remark
The controller is standby due R012 Main
switch and/or DI main switch is o
Remark
The controller is manual control, no auto-
matic control is active, and many alarms
are disabled
Can Index
Can Subindex
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6C
5507
6E
5507
6E
5507
6E
5507
6E
5507
6E
BC398828796060en-000103 | 77
Bit number
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
0
1
2
3
4
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