Charder MS 4940, User Manual

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Proper re-calibration procedure required to correct the setting
of weighing accuracy.
Interference due to RF disturbance, ground vibration
…
etc.
Unstable platform feet adjustments according to bubble level
indication
Incorrect position or other external objects within weighing
area
The weighing-scale is not put in a solid & firm ground area, such
as carpet floor or lawn.
3. Connection failure for data transmission to PC or printer
Wrong connection wires or faulty wires for transmission between
the digital indicator & load cells.
Wrong indicator models
Wrong internal wiring or wire broken
In case of the following defective mode occurs, it is suggested to contact
your nearest Authorized Dealer for further technician service & repair:
1. POWER switch-on failure :
Push-button faulty
Short circuit wires - Wire broken
Safety fuse burnt out
Wire connection problem
Main power adaptor faulty – Parts Replacement
2. LCD display faulty
Possible hardware defects include: Uneven brightness in the LCD
display screen & texts color blurred, smeared rainbow screen,
incorrect decimal display
LCD PIN broken or short circuit
PCB cooper foil broken & loosed welding
Unable to save or read data – IC or transistor faulty, internal parts
broken.