100
CHAPTER 6
6.4.2
CONDITION: Unable To Enter Tare Or Calibration Numbers
Possible Causes:
1.
Meter may be in the Driver Lockout mode, which does not allow the Tare weight, Cal
Number, or Cal weight to be changed.
2. Faulty
Meter
What to Do
:
1.
The Lock feature may be enabled see Section 3.2.10 “Setting The Lock”.
2.
Make sure the Vulcoder is connected to all the load cells.
3.
Unplug the green connector at the back of the meter for a few seconds, re-plug it in and try to
enter the Tare or Cal Numbers again.
4.
Possible faulty meter buttons. Run the Key pad test in section 3.5.1.
6.4.3
CONDITION: Meter Reading Drifts or Wanders With Time
Possible Causes:
1.
Voltage to meter is less than 10.5 Volts.
2.
Voltage out of the VSL Vulcoder is less than the Voltage Output required as stated in Section
7.2 “System Specifications.”
3.
Moisture in a load cell connector.
4.
Damaged cable between VSL Vulcoder and load cell.
5.
Bad connection on green connector or broken wire or cable between meter and the VSL
Vulcoder.
6. Faulty
load
cell
What to Do:
1.
Using a voltmeter, check the voltage at the back of the meter. Refer to the required meter
voltages in Section 7.2 “System Specifications.”
2.
Check the black 4-wire cabling between the load cells and the VSL Vulcoder. If the cabling is
damaged, contact your Vulcan dealer for VSL Vulcoder repair or repair kit.
3.
Measure the voltage between pins A and D of the VSL Vulcoder connector. If it measures less
than 5 Volts make sure the VSL Vulcoder cable is securely attached to the meter green plug
and the length of the orange cable from the VSL Vulcoder to the meter isn’t longer than 100 ft.
Also check any truck / trailer connectors in the VSL Vulcoder signal cable.
June 21, 2006
VULCAN ON-BOARD SCALES 1-800-237-0022
Doc. 44-10032-001 Rev. C
©
STRESS-TEK, INC. 2006
