Manual No. 0158A
59/68
IWB
−
IWX Series (Overseas Use) Service Manual
Problem
Cause
Measure
3. Defect in A/D board or
the load cell.
y
Perform Test Mode C1 to check A/D value, if
necessary, replace A/D board and load cell in
the order.
4. Incorrect voltage of
VEX+5V supplied to
the load cell.
- Main board defect.
y
Check +5V between R-W of A/D board XJ2 by
using a multi-meter. If the voltage is low or
fluctuated, there is a defect in the main board to
generate VEX.
5. Zero point and/or
weighing value
fluctuate.
5. Influenced by
electromagnetic wave
y
Identify the source to eliminate, or move to the
other place.
1. Defect of the key.
y
Replace tactile key soldered to the main board.
2. Gap between key
sheet and key (main
board) is
inappropriate.
y
Adjust so that the main board fits with the key
sheet.
6. Not responding, or a
hard to operate key.
3. Defect in the main
board
y
Replace the main board.
7. Trouble in display such
as no lighting, double
lighting for digits or
segments.
1. Defect in the main
board.
y
Replace the main board.
•
RS-232C journal printer in linked operation (Optional)
Problem
Cause
Measure
1. Defect in the printer.
y
Confirm that power is ON.
y
Confirm that the cable is connected.
y
Confirm that it is online.
y
Confirm that there are no errors.
y
Confirm matching that it matches the scale, or
the transmission specifications.
Reference
Reference
Refer to the Setup Mode in the Operation Manual.
1. Printer not reopening to
printing.
2. Defect in the scale
side.
y
Confirm that the cable is connected.
y
Confirm that the cause is other than setup item
F11 0: no output.
y
Check that there is connection via the main
board XJ4 connector.
y
Check the internal cable harness C3
transmission.
y
Replace the main board.
2. Mis-printing (garbled)
1. Mis-matching
transmission
specifications
y
Confirm that the scale side and the printer side
match.
y
Replace the main board.
