PROBLEM
POSSIBLE CAUSE
SOLUTION
No display
Defective battery
Replace
Defective button
Requires authorized
service
Power button not
properly pressed
Press and hold ON/OFF
key for three seconds
Digits flash
Low battery
Replace battery
Display does not respond
to load changes
Faulty load cell or PCB
Requires authorized
service
Out of calibration
Re- calibration
Display experiences
excessive Zero drift
between weighing
Dynamometer does not
stabilize after turning on
After turning on, heating
3-5 minutes.
Displayed weight shows
large error
Dynamometer not
Zeroed before applying
weight
Depress ZERO before
applying weight
Requires recalibration
See calibration
Kg/lb wrong selection
See operation
Wireless distance
shortened
Wireless indicator’s
battery is low
Replace battery.
10.
RS232 Protocol
Pre-
code
Data(ASCII)
0X
+/-(0
means+
F means -
)
X is
decimal
position
39 39
Comm
odity
numbe
r
F0
Stable
Signal
F0:
(stable)
00:
(unstable)
F0
Wireless
Signal
F0:
Have
signal
00:
Without
signal
FF AA
data
(H)
da
ta
data
data
data
(L)
RS-232 Setup Instructions
Communication Configuration
Port : COM1
Baud Rate: 4800
Data Bits : 8
Stop Bits : 1
Parity : None
Display mode HEX
22
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