Service Manual
Description of faults
19.07.07 /Kr/Rei
30-34-00-744
Scales with LC electronic
Please refer to the operating instructions to ensure that the scales were operated in the
proper manner. In case of a malfunction, the following table will help you to locate the fault.
Description of the fault
Possible cause
Remedy
Scales cannot be started
•
Battery is not
installed or
discharged
•
Check the batteries
•
Voltage supply is
defective
•
Check the voltage at the appropriate connections of the electronics;
eliminate the interruption
•
Bus connection
cable is defective
•
Check the plug-in connections; check the cables for interruption
and replace them if necessary.
•
Keypad is defective
or not connected
•
Check the cable connections; check the cables and the keypad for
interruption and replace them if necessary
•
Bus fault
•
Disconnect power supply unit and battery from the scale, wait for 60
seconds, then reconnect.
Scales show no weight or
an incorrect weight
(repeatedly)
•
Packaging /
transport safeguard
has not been fully
removed
•
Check the scales
•
Scales are
maladjusted
•
Recalibrate the scales
•
Sensor is damaged
•
Replace the sensor and start an additional corner override
transfer of force to the
sensor is interrupted
•
Check the base frame for damage or incorrect assembly
Scale shows only the
segment test or the
readings are varying to
much.
•
Shortcircuit between
sensor cable and
housing
•
Search for damaged isolation of the cabel and repair it. ( If
appropriated use multimeter.)
Incomplete digits
•
Display is defective
•
Replace the electronics
Malfunction during the
weighing procedure
•
Display:
Er:x:no
•
The electronics have detected an error.
n
X
:
module number
n
No:
error number
E XX.11
•
Sensor is defective or
supply lines are
damaged
•
Check connection cables, check sensor and replace as required (if
parts a replaced, a corner override is necessary)
•
If several load cell are used, check the allocation (colour codes)
E XX.12
•
Failure at
Identification
initial zero setting
•
Check the initial load
•
Sensor defective, replace it possibly (a corner override is
necessary)
E XX.13
•
Limit for zero
tracking is reached
•
Load the scale at work with >50g/s
E XX.16
•
Failure at
Identification
initial zero setting
•
while the start process beware the scale for agitation
E XX.40
•
No EEProm data
•
Recalibrate the scale
E XX.50
•
Flash memory
damaged
•
Replace the electronics
E XX.60
•
Bus connection
cable is defective
•
Check the plug-in connections; check the cables for interruption and
replace them if necessary, Disconnect power supply unit and
battery from the scale, wait for 60 seconds, then reconnect.
