1. Mechanism failure
2. The weighing pan (pan base) is
binding on something.
1. Replace the
mechanical unit.
2. Check
installation of the
weighing pan
(pan base).
Display
disappears
during
measurement.
1. AJDP circuit board failure
2. AC adapter failure
1. Replace the AJDP
circuit board.
2. Replace the AC
adapter.
Display shows
“b-Err”
Display shows
“d-Err”
1. AJDP circuit board failure.
2. Coefficient memories (address data)
have changed by noises or static
electricity
1. Replace the AJDP
circuit board.
2. Check the
address data.
1. Sample weight is too light.
(Number of weights; in the %
(percentage weighing) mode)
1. Check the sample
weight.
1. Balance weight was lighter
than 50% of capacity during
span calibration.
1. Check the balance
weight.
1. Error exceeding 1%
occurring in span calibration
4.1 Initial inspection
1. Check that no wind or vibration affects the scale.
2. Check that the pan base and the weighing pan are properly installed.
3. Check that there are no foreign objects below the weighing pan (pan base).
4. Check that a regular weighing pan is used.
5. Check that the stand on which the scale is placed is stable.
6. Check that the scale is level.
7. Check that an AC adapter is connected.
8. Check that the battery is sufficiently charged (in the battery option).