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F-16

TROUBLESHOOTING AND REPAIR

F-16

 

 

 

 

 

VOLTAGE AND CURRENT CALIBRATION PROCEDURE (continued)

CALIBRATION CHECK

 

VOLTAGE CALIBRATION

 

The calibration of the V450-PRO can be checked

NOTE: If the Mode SELECT/MEMORY button is

using a resistive load bank with the V450-PRO in

 

not pressed within 30 seconds after

mode 200. Mode 200 is a constant current test

 

adjusting the Output Control knob the

mode.

 

 

 

machine will leave the calibration mode

NOTE: Before attempting to calibrate the voltage

 

and use the previous calibration settings.

or current

setting of

the V450-PRO, be

1.

Connect the resistive load band (approximate-

sure to read the entire voltage or current

 

ly .087 ohms) and test voltmeter to the welding

calibration

section.

If the steps are not

 

 

output terminals.

 

completed quickly, the machine will auto-

 

 

 

 

 

matically leave the calibration mode with-

2.

Press and hold in the Mode SELECT/MEMO-

out changing the calibration settings. The

 

RY button.

 

voltage and current calibration settings of

3.

Turn on the V450-PRO.

 

the V450-PRO are completely indepen-

 

 

 

 

dent of each other. Adjusting one will not

4.

Rotate the Output Control knob until the dis-

affect the other.

 

 

 

play reads “vol cAL”.

 

 

 

 

 

 

1. Press and hold in the Mode SELECT button.

5.

Release the Mode SELECT/MEMORY but-

 

 

 

2. Turn on the V450-PRO.

 

 

ton.

 

3. Rotate the Output Knob, while still holding the

6.

Adjust the Output Control knob until the actu-

mode select button in, until the displays read

 

al output voltage reading on the test voltmeter

“mode 200”.

 

 

 

is 20volts +/- .5 volts.

 

NOTE: Machines with an Advanced Process

7.

Wait for the machine’s output to be

automati-

Panels do not have a mode select button.

 

cally turned off and then back on.

 

Use the same procedure except hold in

8.

Adjust the Output Control knob again if nec-

the Memory button

on the advanced

 

essary to make the actual voltage output 20

process panel instead of the mode select

 

 

volts +/- .5 volts.

 

button.

 

 

 

 

 

 

 

 

 

4. Release the Mode SELECT/MEMORY but-

9.

Wait for the machine’s output to be

automati-

 

cally turned off and then back on.

 

ton and the machine will be in mode 200.

 

 

10.

Repeat the above two steps if necessary.

5. With the machine in mode 200 apply a resis-

 

Press and release the Mode SELECT/MEM-

tive load to the welding output terminals

11.

(approximately .087 ohms) set the machine

 

ORY button to save the calibration.

 

output to 300 amps and enable the Weld

 

 

 

Terminals. (Weld Terminals Select ON).

 

 

 

6.Using the test meters note the output voltage and current.

7.The V450-PRO voltmeter must match the test meter reading to within +/- 1 volt.

8.The V450-PRO ammeter must match the test meter within +/- 5 amps.

9.If the voltmeter does not meet the specification then proceed to the Voltage Calibration

Procedure.

10.If the ammeter does not meet the specification then proceed to the Current Calibration

Procedure.

INVERTEC® V450-PRO

Page 56
Image 56
Lincoln Electric SVM199-A service manual Voltage and Current Calibration Procedure

SVM199-A specifications

Lincoln Electric SVM199-A is a highly advanced welding machine that has garnered attention for its robust features and innovative technologies. This piece of equipment is tailored specifically for professionals in the welding industry, providing a range of functionalities that enhance productivity and efficiency.

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