Seca 374 - Description of faults; Scales cannot be started; Scales show no weight or an incorrect weight (repeatedly); Scale shows only the segment test or readings vary too much

Service manual Description of faults
20.02.01/Winterberg 1 (2) 30-34-00-588 index c
Please refer to the operating instructions to ensure that the scales were operated in the proper
Please refer to the operating instructions to ensure that the scales were operated in the properPlease refer to the operating instructions to ensure that the scales were operated in the proper
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.
manner. In case of a malfunction, the following table will help you to locate the fault.manner. In case of a malfunction, the following table will help you to locate the fault.
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 recalibrate the scales
•
Load lever
system is
damaged or
transfer of
force to the
sensor is
interrupted
•
Check the base frame (if present, the tie rod) 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.
!
X
: module number
!
No:
error number
•
Er:x:10
•
Sensor is
defective or
not properly
connected
•
Check and, if necessary, replace the sensor (if the sensor is
replaced, a recalibration is required)