Laing Innotech GmbH + Co. KG Althuette Germany Instruction LTC 11
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Failure codes indicated by the control panels
The following failure indication will be shown by the control panels with height
indication. If control panels without height indication are used, refer to the blinking
of the LED on the controller to determine the failure mode.
Indicated Failure code
LED blinking
Failure
Failure solution
con
Communication error
There is no
communication between
the controller and the
control panel. Check the
electrical connection
- - -
Reference mode
The controller entered
reference mode, a
reference run must be
performed
F1
LED blinking:
long short short short
EEPROM initialization
error
Reset error by pressing
any key.
If the Error remains
restart system by
unplugging the power
cable of the controller
and plugging it in again
after 20 seconds.
If the error reoccurs the
controller may be
damaged, contact the
supplier
F2
LED blinking:
short long short short
EEPROM write error
Reset error by pressing
any key.
If the Error remains
restart system by
unplugging the power
cable of the controller
and plugging it in again
after 20 seconds.