Danfoss EKE 1A User Manual

8.1.3 Stepper alarms/errors
Table 57: Stepper alarms/errors
Label
Alarm description
Actions during ac‐
tive
Trigger (how the alarm IS
raised)
How to clear the alarm
Remark
E103
No valve congured
Auto operation
blocked
I067 valve conguration set
none
I067 valve conguration set a
valve from the list
No valve selected. Please congure the
correct valve in I067 Valve conguration
E100
Valve conguration
error
Auto operation
blocked
One or more stepper congura-
tion errors
Correct stepper cong
One or more valve conguration errors is
blocking operation of stepper valve. Check
the other active alarms to identify the
valve conguration problem
E114
check valve step
mode vs positioning
Auto operation
blocked
Stepper mode is full step and
half as nal is requested
If full step mode is wanted set
nal positioning to full. If half
step as nal position is wanted,
set step mode to minimum half
step
With 1064 Valve step mode set to "full"
and IO29 Valve step positioning set Half
step operation is possible, Correct either
IO29 or IO64
E115
Valve speed too fast
Auto operation
blocked
Combination of step mode and
speed give too few micro speed
per sec (below 8)
Adjust valve speed and/ or
valve step mode to be with lim-
its
Number of micro steps/sec is too high
(higher than 12800 micro step/sec), Re-
duce IO31 Valve speed or use less micro
step per full step (IO64 Valve step mode)
E116
Valve speed to slow
Auto operation
blocked
Combination of step mode and
speed give too many micro
speed per sec (higher than
12800)
Adjust valve speed and/ or
valve step mode to be with lim-
its
Number of micro steps/sec is low (higher
than 8 micro step/sec), increase IO31 Valve
speed or increase IO32 Valve start speed or
use more micro step per full step (IO64
Valve step mode)
E117
Valve emergency
speed too fast
Auto operation
blocked
Combination of step mode and
speed give too few micro speed
per sec (below 8)
Adjust valve speed and/ or
valve step mode to be with lim-
its
Number of micro steps/sec is too high
(higher than 12800 micro step/sec), Re-
duce IO61 Valve emergency speed
E118
Valve emergency
speed too slow
Auto operation
blocked
Combination of step mode and
speed give too many micro
speed per sec (higher than
12800)
Adjust valve speed and/ or
valve step mode to be with lim-
its
Number of micro steps/sec is low (higher
than 8 micro step/sec), increase IO61 Valve
emergency speed
E119
Valve start speed
too slow
Auto operation
blocked
Combination of step mode and
speed give too few micro speed
pr sec (below 8)
Adjust valve speed and/ or
valve step mode to be with lim-
its
Number of micro steps/sec is low (higher
than 8 micro step/sec), increase IO31 Valve
speed or increase IO32 Valve start speed or
use more micro step per full step (IO64
Valve step mode)
E126
Valve Short circuit or
driver too hot
Auto operation
blocked, stepper will
try to recover every
10 secs
Stepper driver report thermal
Shutdown,
Stepper driver has recovered
from thermal overload
Valve driver is unable to drive valve. Check
for Short the coils or if ambient is higher
than 60 °C
A997
Battery critical low
voltage
Battery input below 12V
Battery input above 12.2V
Battery voltage is found to be critical low;
valve will not be closed in case of power
fail. Replace battery /check connections
A996
Battery too high
voltage
Battery input above 27V
Battery input below 25V
Battery voltage is too high. Valve will not
be closed in case of power fail. Replace
battery with one of correct type (18-24V.).
W001
Battery low voltage
Battery input below 17V
Battery input above 17.2V
Battery voltage is found to be low, replace
battery.
E124
Open circuit on
valve
Auto operation
blocked; stepper will
try to recover every
10 secs
Stepper detect one or 2 open
coils
Current in both coils match
valve prole
Valve have an open circuit on one or more
coils. Check connections to valve.
8.1.4 Bus alarms/errors
Table 58: Bus alarms/errors
Label
Alarm description
Actions during ac‐
tive
Trigger (how the alarm IS
raised)
How to clear the alarm
Remark
E122
Shared signal time-
out
One or more signals (S2, S3, S4,
P0, PC) are not Shared through
CAN within "CAN bus Min. up-
date interval" or Modbus with”
Modbus min. update interval
seconds".
All needed signal is updated at
right frequency
A needed control / sensor / reference sig-
nal via CAN bus is missing. Check CAN bus
connection and operation of other CAN
bus controllers.
E128
Ext. ref. via Modbus
timeout
If bus signal via
Modbus
Bus ext ref. needs to be upda-
ted within "Modbus min. up-
date interval seconds".
Ext reference signal updated
within Modbus min. update in-
terval
A needed control / sensor / reference sig-
nal via Modbus is missing. Check Modbus
connection and operation of other Mod-
bus controllers.
Superheat controller, Type EKE 1A, 1B, 1C, 1D
© Danfoss | Climate Solutions | 2022.06 BC398828796060en-000101 | 74

Danfoss EKE 1A Specifications

General

Brand	Danfoss
Model	EKE 1A
Category	Controller
Language	English