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Trouble shooting
10
4
ekr 500 web guiding controller
EDV No.: MD.299.01.06
Chapter: 10
with removable control panel
Date:
29.07.08
Page:
82/86
Pos. Fault
Possible cause
Solution
15
The display shows the
following warning symbol
(see chapter 7.1.2.3):
•
The controller supply voltage
lies outside the permissible
range.
•
Check the power supply.
•
Check the mains wiring.
16
The controller does not
respond to any operation.
The display shows the
following key symbol
(see chapter 7.1.2.6):
•
The keyboard interlock is
active.
•
Deactivate keyboard interlock.
Remove jumper from terminal
81-82 (see chapter 5.5.2.8).
17
A shifting of the guiding
setpoint via the arrow keys
of the control panel is not
possible.
Pressing an arrow key on
the control panel, causes
the message “EFE“ to be
displayed on the bottom
edge of the display.
•
The optional electronic remote
precision adjustment
EFE 1
is
connected to the controller.
•
Shift guiding setpoint via the
potentiometer on the electronic
remote precision adjustment
EFE 1
(see chapter 7.7).
18
The controller does not
respond to any operation.
The display shows the
following symbol
(see chapter 7.1.2.7):
•
Fault in the bus connection
between controller and control
panel.
•
The device address of the
controller or control panel is
set incorrectly.
•
The internal terminating
resistor in the controller and/or
in the control panel is not
switched on.
•
Check cable connection
between controller and control
panel.
•
Check cable connections are
correct at terminal strip
X8
(see chapter 5.5.2.6).
•
Check setting of the rotary
switch
S1
in the controller and
the control panel
(see chapter 9.1.1).
•
Switch on the internal
terminating resistor in the
controller and in the control
panel
(see chapter 9.2.1 and 9.2.2).
19
The controller does not
respond to any operation.
•
A remote control is connected
to the controller.
The keys of the control panel
are locked.
•
The device address of the
controller or control panel is
set incorrectly.
•
Deactivate remote control
(see chapter 5.6.2).
•
Check setting of the rotary
switch
S1
in the controller and
the control panel
(see chapter 9.1.1).
20
The controller cannot be
switched via the remote
control function.
•
The remote control function is
deactivated.
•
Check adjustment of DIL switch
S5.8
(see chapter 5.6.2).