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4.
Trouble-shooting
Symptom
Possible Causes
Solution
blank display when
On/Off is pressed
discharged battery
replace battery
defective battery
defective ON/OFF
key
press ON/OFF key
for long
no action taken
after TARE or
HOLD is pressed
defective TARE or
HOLD key
clean TARE or
HOLD key
unstable readings
scale in motion
stabilize the load
and scale
scale is damped
dry the scale
dust on PCB board
clean PCB board
reading is not zero
without load
unstable system
power
longer warm-up
time
load-cell stressed
too much or too
long
hang the scale in
storage
large error in
weight reading
scale is not zeroed
before loading
keep the scale
unload and reboot
re-calibration
needed
re-calibrate the
scale
improper unit
switch to proper
unit
