Service
INDICATOR DG8000 RevB0
E
NG
L
ISH
93
PROCEDURE 1
Ref. YES / YES
Check the working of the scale
a) Switch off the microcomputer.
b) Disconnect the sensor cable between the scale and the junction box.
c) Connect the WEIGHT SIMULATOR (calibrator 979-0007) with the lever in position “Var” (varying)
to the SENSORS connector of the scale.
d) Switch on the microcomputer.
e) Do the TARE (for the execution see the microcomputer manual).
f) The scale has to become stable displaying “0” kg.
g) Verify the correct functioning of the scale by turning the WEIGHT SIMULATOR knob (turning
clockwise increases the weight, counter-clockwise decreases the weight).
RESULT
CAUSE
ACTION
Zero stable and
correct functioning
The microcomputer is NOT
damaged
Proceed with the other tests
Zero NOT stable or NOT correct
functioning
The microcomputer is
damaged
Contact the service department
Check the functioning of the SENSOR CABLES and of the JUNCTION BOX
a) Switch off the microcomputer.
b) Open the JUNCTION BOX.
c) Disconnect the sensors, leaving only the cable that reaches the weight system (SENSOR
CABLES).
d) Connect the WEIGHT SIMULATOR (979-0007) in place of one of the sensors using the proper
adapter.
e) Switch on the microcomputer.
f) Do the TARE (use the microcomputer’s manuals for instructions).
g) The scale has to become stable displaying “0” kg.
h) Check the correct functioning by turning the knob of the WEIGHT SIMULATOR (turning clockwise,
the weight increases, counter clockwise, the weight decreases).
REPEAT THE TEST CONNECTING THE WEIGHT SIMULATOR IN PLACE OF EACH SENSOR.
