Troubleshooting; Alarm; Others - General Measure Checkweigher User Manual

9 Troubleshooting

Alarm

If there is something wrong with the operation, the control system will send
alarm message and display on touch screen. The common alarm messages, alarm
reason and solutions list in table 9-1:
Alarm message
Over zero range
Overload
Too close
Unstable
Auto zero fail
Reject error

Others

1. If there is loss of accuracy in using process, check as follows:
(1) Make sure that the foot screws touch the floor reliably. If there are foot crews
Table 9-1 Alarm message, reason and solution
Alarm reason
Current weight exceed
50% of the range of
checkweigher
Current weight exceed
range of checkweigher
The distance between
two products is too
small that causes the
checkweigher weigh
two products at the
same time
When zero, the weight
is not stable.
After each test, the
weighing system will
carry out zero operation
automatically, when
this alarm occur, means
that the zero operation
fail.
The rejector receive
new reject signal before
finishing last reject
action
Checkweigher user's manual
Solution
Alarm clear, current weight cannot be
zeroed.
Alarm clear, current weight cannot be
weighed.
Alarm clear, the checkweigher can
weigh one product per time, so the next
product can only enter the weigh
platform after the previous product
leave the platform and the control
system successfully back to zero.
Readjust the distance between two
products and check whether the length
set in product parameter is right.
Alarm clear, confirm the reason caused
the weight unstable, common reasons
are disturbance
disturbance of electromagnetic field,
some object contact the platform and
the foot screw not fix reliably. This
solution apply when the stable sign do
not appear normally.
Alarm clear, increase the BZSD range.
Attention: This operation will affect
the accuracy, so carry out this
operation cautiously.
Alarm clear, increase product distance.
of external air,
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