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Troubleshooting – Ohaus BW WASHDOWN SCALES Manual multi User Manual

Page 14

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EN- BW SERIES COMPACT BENCH SCALE

. Troubleshooting

The followng table lsts common problems, possble causes and remedes. If the
problem perssts, contact Ohaus or your authorzed Ohaus dealer.

Symptom

Possible Causes

Remedy

Scale wll not turn on

AC power not connected to scale
or to outlet.
No power n outlet.
Battery dscharged.

Connect scale to power.
Connect scale to power and
charge battery.
Connect to dfferent power outlet.
Replace battery.

Battery fals to charge fully.

Battery s defectve or past ts
useful lfe.

Have the battery replaced by an
authorzed Ohaus servce dealer.

Weght readng does not
stablze.

Unstable envronment.
Interference under pan or sub-
platform.

Ensure a stable envronment.
Ensure that the weghng
pan and sub-platform are
unobstructed.

Scale does not dsplay
accurately.

Improper calbraton

Calbrate the scale usng proper
calbraton weghts.

“nnnnnn“ dsplayed

Overload condton: Load on the
pan exceeds scale capacty +9d

Reduce the load on the pan.
Re-zero the scale.

“uuuuuu“ dsplayed

Underload condton: No load on
the pan, exceeds scale zero -9d

Install the pan on the sub-
platform.
Re-zero the scale.

”- - - - - -” dsplayed

Unstable condton.
Cannot establsh zero.

Stuate n a stable envronment.
Releve nternal pressure from
the scale by loosenng the
levelng feet.
Clear possble obstructons on
the vent holes under the rear feet.
Remove the weght on the pan
that may exceed the power-on
zero range.

”E 11“ dsplayed

RAM error

Turn the scale off and on agan.

”E 16“ dsplayed

ROM error

Recalbrate the scale.

”E 18“ dsplayed

EEPROM error

Return scale for servce

”E 48“ dsplayed

Checkwegh target settng error

Revew setup and re-enter
correct Over-Under values

“Error” dsplayed

Software runnng error

Turn the scale off and on agan.
Replace battery.