CHAPTER 7 TROUBLESHOOTING GUIDE
PROBLEM
POSSIBLE CAUSE
SOUTION
No display
Defective battery
Replace
Defective button
Requires authorized service
Power button not properly
pressed
Press ON/OFF key firmly in
three seconds
Digits flash
Low battery
Replace battery
Display doesn
’t
respond to load
changes
Faulty load cell or PCB
Requires authorized service
Out of calibration
Re- calibration
Display experiences
excessive Zero drift
between weighment
Dynamometer do 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.
CHAPTER 8 RS232 PROTOCOL
Pre-code
Data(ASCII)
0X
39 39
F0
F0
FF
AA data
(H)
data data data data
(L)
+/-(0 means+
F means -)
X is decimal
position
Commodity
number
Stable
Signal
F0:
(stable)
00:
(unstable)
Wireless
Signal
F0:
Have
signal
00:
Without
signal
RS-232 Setup Instructions
Communication Configuration
Port : COM1
Baud Rate:
4800
Data Bits : 8
Stop Bits : 1
Parity : None
Display mode HEX
USER MANUAL 15
