Jasic ARC140, Z269, ARC200, Z104, ARC200D Operator's Manual

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INVERTER WELDER

OPERATOR’S MANUAL

MODEL: ARC200(Z104)/ARC200(Z276)ARC140(Z269)/

ARC200D(Z225)/ARC250D(Z226)/ARC250(Z227)

FORWARD

SHENZHEN JASIC TECHNOLOGY CO., LTD.

Address: No. 3, Qinglan 1st Road, Pingshan District, Shenzhen, Guangdong, China

Postcode: 518118

Fax: 0755-27364108

Website: http://www.jasictech.com

Tel: 0755-29651666

E-mail: sales jasictech.com

Version A0:

SAFETY

Precautions for installation

Beware of electric shock!

Install grounding device according to application standard.

Do not touch live parts with naked skin, wet gloves or wet clothes.

Be sure you are insulated from ground and workpiece.

Cover the cover plate of the machine before power on to avoid an electric shock.

Confirm the safety of your working position.

Beware of fire hazard!

Please install the machine on non-combustible materials to avoid a fire. Make ensure there are no inflammables near the welding position to avoid a fire.

Beware of explosion !

Do not install the machine in an environment with explosive gas to avoid an explosion.

Replacing the components can be dangerous.

Only professionals can replace the components of the machine.

Make sure there are no foreign bodies such as wire leads, screws, gaskets and metal bars falling into the machine inside when replacing the components.

Make sure the connecting wires inside the machine are correctly connected after replacing the PC Bs, and the n the mac hine can be r un. Oth erwis e, t here is a r isk of da ma ge to prop erty.

Precautions for operation

Smoke-may be harmful to your health!

Keep your head away from the smoke to avoid inhalation of waste gas in welding. Keep the working environment well ventilated with exhaust or ventilation equipment when welding.

Arc radiation-may hurt your eyes and burn your skin!

Use proper welding mask and wear protective clothing to protect your eyes and body.

Use proper mask or curtain to protect onlooker from being injured.

Magnetic field can make cardiac pacemaker a bit wonky!

People with cardiac pacemaker should consult the doctor before carrying

out welding.

Stay away from the welding source to reduce the affect of magnetic filed.

Improper use and operation may result in a fire or an explosion!

Welding spark may result in a fire, so please make ensure there are no inflammables near the welding position, and pay attention to fire safety. Ensure there is fire extinguisher nearby, and make sure someone has been trained to operate the fire extinguisher. Do not weld closed container. Do not use this machine for pipe thawing.

Hot workpiece can cause severe scald!

Do not touch hot workpiece with bare hands. Cool the welding torch for a while after continuously working.

Excessive noise does great harm to people’s hearing!

Wear ear covers or other hearing protectors when welding. Give warning to onlooker that noise may be potentially hazardous to

hearing.

Moving parts may injure your body!

Please keep away from moving parts (like fan). Each door, panel, cover, baffle plate, and protective device the like

should be closed and located correctly.

Seek professional support when trouble strikes!

When trouble strikes in installation and operation, please inspect according to related contents in this manual.

If you still cannot understand fully, or you still cannot solve the problem, please contact the dealer or the service center of JASIC to obtain professional support.

Precautions for discard

Pay attention to the following when discarding the welding machine: Burning the electrolytic capacitors in the main circuit or on the PCBs may cause an explosion. Burning the plastic parts such as the front panel may produce poisonous gas. Dispose it as industrial waste.

TABLE OF CONTENTS

1. GENERAL DESCRIPTION

1.1 Model coding

ARC XXX (XXXX)

1.2 Technical parameters

Table 1 1: General technical parameters-

Items

Rated input power supply

Rated input capacity KVA( )

Rated input power (KW)

ARC1 4 0 (Z26 9 )

Rated input current(A)

Rated output (A/V)

140/2 5. 6 170/2 6. 8 20 0/ 28 .0 16 0/ 26 .4 180/2 7. 2200/ 28 .0 2 30 /2 9.2 2 50 /3 0.0

No-load voltage(V)

Welding current range (A)

Arc force current range(A)

Cooling mode

Rated duty cycle(%)

Insulation grade

Enclosure ingress protection

Power factor

Efficiency (%)

ARC2 0 0 (Z10 4 )

Single phase AC230V 50Hz-

6 7. 1 9 .4 7.1 9.4 11.3 9. 58.2

24.3 26 4 0. 8 3 2. 2 2 4. 8 37. 4 29. 7 14

67 70 70 62 6060

20 1 70~20 1 40~

40%

0. 7 0 . 7 0. 7 0. 7 0.7 0.7

Product code

Vacancy: single voltage D: double voltage Code for rated output current

Inverter DC MMA welder

Figure 1 1: Model coding-

Models

ARC2 0 0 (Z27 6 )

65. 1 8 6 8

20 2 00~

0 10 0~

ARC2 0 0 D ( Z 2 2 5 ) A R C 2 5 0 D ( Z 2 2 6 )

Single-phase

AC230V 50Hz

Single-phase

AC380V 50Hz

20 2 00~ 20 180~ 20 230~ 20 250~20 0~16

Air cooling

40%30%

40%

IP21S

85 8 5 85858585

Single-phase

AC230V 50Hz

Single-phase

AC380V 50Hz

40%

ARC2 5 0 (Z22 7 )

3-phase

AC380V 50Hz

9. 6 8

6062

0 60~0 60~0 60~

40%

1. GENERAL DESCRIPTION

1.3 Size and weight

Table 1-2: Overall size and weight of the machine

Model

Overall size

(L*W*H)

Weight Kg( )

1. GENERAL DESCRIPTION

HWH

ARC14 0

(Z2 69 )

Z104

ARC20 0

(Z1 04 )

ARC20 0

(Z2 76 )

ARC20 0D

(Z2 25 )

ARC25 0D

(Z2 26 )

ARC25 0

(Z2 27 )

430 168 312* *312 143 256* * 430 168 312* * 430 16 8 31 2* * 43 0 16 8 31 2* * 430 168 312* *

5. 04. 8 8. 0 9.6 9. 6 9 .6

Figure 1-2: Appearance and size of the machine Unit: mm( )

1.4 Composition and configuration of the welding machine system

1) Composition

Figure 1-3: Composition of the welding machine system

2 Configuration)

Table 1-3: Configuration of ARC200 Z269( )

Name

Welding machine

Quick plug

Operator’s manual

Material code

10046173

10004613

10047281

Specification

ARC140 (Z269)

DKJ16-25(black)

ARC series

Quantity pcs ( )

Remark

Standard configuration

1. GENERAL DESCRIPTION

第一章产品概述

Name

Welding machine

Quick plug

Operator’s manual

Name

Welding machine

Quick plug

Operator’s manual

Table 1-4: Configuration of ARC200 104) (Z

Material code

10046171

10004614

10047281

Table 1-5: Configuration of ARC200 276) (Z

Material code

10046174

10004614

10047281

Specification

ARC200 (Z104)

DKJ35-50(black)

ARC series

Specification

ARC200(Z276)

DKJ35-50(black)

ARC series

Quantity pcs ( )

Remark

Standard configuration

Remark

Standard configuration

Table 1-6: Configuration of ARC200D 225 (Z )

Name

Welding machine

Quick plug

Operator’s manual

Name

Welding machine

Quick plug

Operator’s manual

1. GENERAL DESCRIPTION

Name

Welding machine

Quick plug

Operator’s manual

Material code

10046195

10004614

10047281

Table 1-7: Configuration of ARC250D 226 (Z )

Material code

10046196

10004614

10047281

Table 1-8: Configuration of ARC250 227 (Z )

Material code

10046188

10004614

10047281

Specification

ARC200D(Z225)

DKJ35-50(black)

ARC series

Specification

ARC250D(Z226)

DKJ35-50(black)

ARC series

Specification

ARC250(Z227)

DKJ35-50(black)

ARC series

Quantity pcs ( )

Remark

Standard configuration

Remark

Standard configuration

Remark

Standard configuration

1.5 Functions and characteristics of the welding machine

ARC series are inverter welding machines made by our company with advanced inverter technology. These machines are mature models and with stable performance. This series includes several single-voltage and double-voltage models.

Advanced VMOS or IGBT inverter technology

High inverter frequency greatly reduces the volume and weight of the welding machine. Great reduction in magnetic and resistance loss obviously enhances the welding efficiency

and energy saving effect. Working frequency is beyond audiorange, which almost eliminates noise pollution.

Leading control mode

Advanced control technology meets various welding applications and greatly improves the welding performance It can be widely used in acid and basic electrode welding.

Easy arc ignition, little spatter, stable current and good shaping.

Common characteristics of MMA welding machines

Portable, energy saving, with excellent dynamic characteristics and high efficiency, stable arc, molten pool easy to control, higher no-load voltage, better compensation of power and arc force, able to meet various welding requirements, applicable to aerial work, field work, indoor and outdoor decoration, etc.

Characteristics of double-voltage models

It adopts automatic switching mode for voltage. Unique circuit design prolongs the service life of the capacitor and IGBT. New air duct design balances the temperature inside the machine and prolongs the service

life of the components and machine.

1.6 System characteristics

1) Duty cycle

q( % )

100

1. GENERAL DESCRIPTION

50 100 15 0 2 00 250

2) Output characteristics

U2 ( V)

ARC1 40( Z269) ARC2 00( Z104)

ARC2 00D (Z225 ) ARC2 00( Z276) ARC2 50D (Z226 ) ARC2 50( Z277)

I2 ( A)

Figure 1-5: Duty cycle

External characteristic of maximum output External characteristic of minimum output Relationship with ratedload

I2 ( A)

Figure 1-6: Output characteristic curves

2. INSTALLATION AND CONNECTION

2.1 Installation requirements

1) Connection of input cable

In order to ensure personal safety and avoid electric shock, please ground the machine reliably by connecting the ground wire (yellow-green wire) of the machine to the grounding device in the switching box.

A primary power supply cable is available for this welding machine. Connect the power supply cable to the rated input power. The primary cable should be tightly connected to the correct socket to avoid oxidization. Check whether the voltage value varies in acceptable range with a multi-meter.

The cross section of the leads used in the switching box should meet the requirements of the maximum input capacity of the machine.

2) Connection of output cable

Insert the plugs with the cable of the electrode holder and the cable of the earth clamp respectively into the quick sockets on the front panel of the machine, and tighten them to clockwise.

Operator can choose DCEN connection according to workpiece and electrode application

2. INSTALLATION AND CONNECTION

requirement. Generally, DCEP connection is recommended for basic electrode, while there is no special requirement for acid electrode.

DCEN: Connect the electrode holder to “-” output terminal, and the workpiece to “+” output terminal.

DCEP: Connect the electrode holder to “+” output terminal, and the work clamp to “-” output terminal.

3) Connection of welding instruments

1 2 354

Figure 2-2: Connection of quick plug

3 5

Figure 2-3: Connection of electrode holder

Figure 2-4: Connection of earth clamp

Figure 2-1: Connection of output cable

Output cable

Copper sleeve

Copper connector

Output cable

Copper sleeve

Electrode holder

Output cable

Bolt

Iron clip

Rubber sleeve

Bolt

Rubber sleeve

Bolt

Copper clip

Nut

4) Preset the welding current according to the type and size of the electrode, clip the electrode and then welding can be carried out by short circuit arc starting. For welding parameters, please refer to the table below.

Table 2-1: Welding parameters table (for reference only)

Electrode dia. (mm)

1.0

1.6

2.0

2.5

3.2

4.0

5.0

7.0

Recommended welding current (A)

20 ~ 60

44 ~ 84

60 ~ 100

80 ~ 120

108 ~ 148

140 ~ 180

180 220 ~

220 ~ 260

Recommended welding voltage (V)

20.8 ~ 22.4

21.76 23.36 ~

22.4 ~ 24.0

23.2 ~ 24.8

23.32 ~ 24.92

24.6 ~ 27.2

27.2 ~ 28.8

28.8 ~ 30.4

Note: This table is suitable for mild steel welding. For other materials, consult related materials and welding process for reference.

2.2 Precautions

2. INSTALLATION AND CONNECTION

3. OPERATION

3.1 Operation method

3.2 Panel functions of ARC140 (Z269)

3. OPERATION

No. Part name Function

1 0

Power indicator

output

“+” terminal

Overheating indicator

Current control knob

“-”

output

terminal

To indicate the machine is powered on when it illuminates.

To connect the welding output cable.

To indicate the temperature inside the machine is too high and the machine is under overheating protection status when it illuminates.

To adjust the output current value.

To connect the welding output cable.

Figure 3-1: Front panel of Z269

Figure 3-2: Back panel of Z269

No. Part name Function

Power

switch

Cable For power supply input.

Cooling fan

To control the ON/OFF of the input power of the machine.

For heat dissipation through forced air cooling.

3.3 Panel functions of ARC200 Z104 ( )

No. Part name Function

Fault

Figure 3-3: Front panel of Z104

Power

indicator

Digital meter To display the welding current.

“-”

output

Z104

terminal

Current control knob

Abnormity indicator

“+”

output

terminal

To indicate the machine is powered on when it illuminates.

To connect the welding output cable.

To adjust the output current value.

To indicate the machine is under overcurrent or overheating protection status when it illuminates.

To connect the welding output cable.

3. OPERATION

Figure 3-4: Back panel of Z104

No. Part name Function

Power

switch

Cable For power supply input.

Cooling fan

To control the ON/OFF of the input power of the machine.

For heat dissipation through forced air cooling.

3.4 Panel functions of ARC200 Z276 ( )

3. OPERATION

Figure 3-5: Front panel of Z276

No. Part name Function

Overcurrent

indicator

Digital meter To display the welding current.

Arc force

control knob

output

“+”

terminal

Current

control knob

Overheating

indicator

“-”

output

terminal

To indicate the machine is under overcurrent protection status when it illuminates.

To adjust the arc force current value.

To connect the welding output cable.

To adjust the output current value.

To indicate the temperature inside the machine is too high and the machine is under overheating protection status when it illuminates.

To connect the welding output cable.

Figure 3-6: Back panel of Z276

No. Part name Function

Power

switch

Cable For power supply input.

Cooling fan

To control the ON/OFF of the input power of the machine.

For heat dissipation through forced air cooling.

3.5 Panel functions of ARC200D Z225 RC250D 226) ( )/A (Z

No. Part name Function

Digital meter To display the welding current.

220V

380V

Figure 3-7: Front panel of Z225 226/Z

Z225

Arc force control knob

Overheating indicator

“+”

output

terminal

Voltage indicator

Current control knob

Voltage indicator

“-”

output

terminal

To adjust the arc force current value.

To indicate the temperature inside the machine is too high and the machine is under overheating protection status when it illuminates.

To connect the welding output cable.

To indicate 220V is used when it illuminates.

To adjust the output current value.

To indicate 380V is used when it illuminates.

To connect the welding output cable.

3. OPERATION

Figure 3-8 Back panel of Z225 226: /Z

No. Part name Function

Power

switch

Cable For power supply input.

Cooling fan

To control the ON/OFF of the input power of the machine.

For heat dissipation through forced air cooling.

3.6 Panel functions of ARC250 Z227 ( )

No. Part name Function

Power indicator

To indicate the machine is powered on when it illuminates.

3. OPERATION

Figure 3-9: Front panel of Z227

Digital meter

Arc force

Z227

control knob

“+”

output

terminal

Current control knob

Overcurrent indicator

“-”

output

terminal

To display the welding current.

To adjust the arc force current value.

To connect the welding output cable.

To adjust the output current value.

To indicate the machine is under overcurrent protection status when it illuminates.

To connect the welding output cable.

No. Part name Function

Power

switch

Cable For power supply input.

Cooling fan

To control the ON/OFF of the input power of the machine.

For heat dissipation through forced air cooling.

Figure 3-10: Back panel of Z227

4. MAINTENANCE

4.1 Daily maintenance

WARNING The power of the switching box and the welding machine should be shut down before

daily checking (except appearance checking without contacting the conductive body) to avoid personal injury accidents such as electric shock and burns.

Table 4-1: Daily checking of the welding machine

Items Checking requirements Remarks

Whether any of the components are damaged

Front panel

Back panel

Cover

Chassis

Routine

or loosely connected; Whether the output quick sockets are tightened; Whether the abnormity indicator illuminates.

Whether the input power cable and buckle are in good condition;

Whether the air intake is unobstructed.

Whether the bolts are loosely connected.

Whether the screws are loosely connected.

Whether the machine enclosure has color fading or overheating problems;

Whether the fan sounds normal when the machine is running;

Whether there is abnormal smell, abnormal vibration or noise when the machine is running.

If unqualified, check the interior of the machine, and tighten or replace the components.

If unqualified, tighten or replace the components.

If abnormal, check the interior of the machine.

4. MAINTENANCE

Items

Earth cable

Welding cable

Table 4-2: Daily checking of the cables

Checking requirements

Whether the grounding wires (including workpiece GND wire and welding machine GND wire) break off.

Whether the insulating layer of the cable is worn, or the conductive part of the cable is exposed;

Whether the cable is drawn by an external force;

Whether the cable connected to the workpiece is well connected.

Remarks

If unqualified, tighten or replace the components.

Use appropriate methods according to the work site situation to ensure safety and normal welding.

4.2 Periodic check

WARNING

Periodic check should be carried out by qualified professionals to ensure safety. Thepower of the switching box and the welding machine should be shut down before periodic check to avoid personal injury accidents such as electric shock and burns. Due to the discharge of capacitors, checking should be carried out 5 minutes after the machine is powered off.

Tips:

4. MAINTENANCE

5. TROUBLESHOOTING

Table 5-1: Troubleshooting for ARC200 104 (Z )

Malfunction Phenomena Cause and Solution

a. Make sure that the mains voltage is normal. b. Make sure that the input cable is reliably connected to the power switch, and that the

The power indicator/meter display does not illuminate; the fan does not work; no welding output.

The power indicator/meter display illuminates; the fan does not work; no welding output.

power switch can be switched on or off normally. c. Check whether any of the silicon bridge, MOS tube or rectifier diode are damaged,

and whether the gate resistor is burned out. Replace them if necessary. d. Check whether the connecting wires on PCBs are reliably connected. e. Power it on, and switch the digital multimeter to DC 1000V. Check if there is 310V DC at both

terminals of the DC bus CON4 on the top PCB. If there is, replace the top PCB. Otherwise,

replace the bottom PCB.

a. The 220V input power is unstable (the input cable is too thin and too long), which leads to overvoltage protection. Replace the input cable with a larger diameter and tighten the joint. Shut down the machine and restart it after 5~10 minutes, and then it will recover.

b. The power switch is continuously switched on and off in a short time, which leads to overvoltage protection. Shut down the machine and restart it after 5~10 minutes, and then it will recover. c. The wire connecting the power switch with the power PCB breaks is loosely connected. Tighten it.

d. The 24V relay on the power PCB is damaged or not closed. Check the 24V power supply and the relay. Replace the relay if necessary.

5. TROUBLESHOOTING

The fan works; the output current is unstable or cannot be controlled by potentiometer when welding.

The fan works; the power indicator and meter display are normal; no welding output.

The fan works; the abnormity indicator illuminates; no welding output.

The electrode holder becomes very hot.

Excessive spatter in MMA welding.

a. Make sure that the mains voltage is normal. b. Check if the connecting wires on the control PCB are reliably connected. c. Check if the current adjustment potentiometer is damaged, and replace it if necessary. d. Replace the control module on the top PCB.

a. Open circuit or poor contact problems exit at the joints of output terminals. b. There is about DC 310V from the power PCB to CON4 (VH-07) on the top PCB. Check

if the silicon bridge breaks or is not well connected. 2) Check if any of the 5 big electrolytic capacitors (470uF/400V) have leakage problem, and replace them if necessary.

c. Check if the driving MOSFET Z24/9Z24 for VT7-VT10 on the top PCB is damaged, and replace it if necessary. d. The control circuit fails. Please contact your distributor or JASIC.

a. Overcurrent protection occurs. Shut down the machine, and restart it after the abnormity indicator does not illuminate, and then it will recover .

b. Overheating protection occurs. It will recover automatically after 5~10 minutes. c. The inverter circuit fails. Pull out the power supply socket (near the fan VH-07) for

the main transformer on the top PCB, and restart the machine.

1) If the abnormity indicator still illuminates, some of the MOSFETs on the top PCB is damaged. Replace it if necessary.

2) If the abnormity indicator does not illuminate:

The transformer on the center PCB may be damaged. Check the inductance and Q value of the primary of the main transformer. The primary of the transformer is paralleled. For a single main transformer, L=1.5~2.4mH, Q>40. Replace the main transformer when the inductance and Q value is small. Some of the secondary rectifier diodes of the transformer may be damaged. Replace it if necessary.

d. The feedback circuit (wire) fails.

a. The rated current of the electrode holder is smaller than its actual working current. Replace it with a bigger rated current. b. Check if the screw or wire of the electrode holder is reliably connected.

The output polarity connection is incorrect. Exchange the polarity.

( )

Table 5-2 Troubleshooting for ARC140 269 RC200 276: (Z )/A (Z )

Malfunction Phenomena Cause and Solution

a. Make sure that the mains voltage is normal.

The power indicator does not illuminate; the fan does not work; no welding output.

b. Make sure that the input cable is reliably connected to the power switch, and that the power switch can be switched on or off normally. c. Check whether any of the silicon bridge, IGBT or rectifier diode are damaged, and whether the gate resistor is burned out. Replace them if necessary. d. Power it on, and switch the digital multimeter to DC V. Check if there is 310V DC at both terminals of the DC bus on the top PCB If there is, replace the top PCB. Otherwise, replace the bottom PCB

The fan works; the output current is unstable

or cannot be controlled by potentiometer when welding.

5. TROUBLESHOOTING

a. Make sure that the mains voltage is normal.

b. Check if the connecting wires on the control PCB are reliably connected. c. Check if the current adjustment potentiometer is damaged, and replace it if necessary. d. Replace the control PCB→rectifier PCB.

a. Check if the connecting wires on PCBs are reliably connected. b. Open circuit or poor contact problems exit at the joints of output terminals. c. The protection indicator illuminates: Pull out the thermal switch, and check if the protection indicator still illuminates. If so, replace the control PCB.

The fan works; the power indicator is normal; no welding output.

Otherwise,the machine is under overheating protection. In this condition, it is unnecessary to pull out the power plug, and it will recover automatically after 5~10 minutes when the machine is cooled down. d. The protection indicator does not illuminate and there is no output: Pull out

the thermal switch, and check if there is no-load voltage. If there is, the thermal switch is damaged. Otherwise, connect the metal part of 7815 with the black probe and connect the metal part of IRF9Z24 or IRFZ24 with the red probe, the check if the voltage is about 8.4V. If it is, replace the center PCB Otherwise, replace the top PCB.

[1] [2].

[3].

[4].

The electrode holder becomes very hot.

Excessive spatter in MMA welding.

The output polarity connection is incorrect. Exchange the polarity.

Notes:

[1] The DC bus for ARC140 (Z269) is P8, and the DC bus for ARC200 (Z276) is P9. [2] The top PCB for ARC140 (Z269) is PM-48, and the top PCB for ARC200 ( 276) is PM-47.Z [3] The bottom PCB for ARC140 (Z269) is PZ-75, and the top PCB for ARC200 (Z276) is PZ-86. [4] The center PCB for ARC140 269 is PD-47, and the top PCB for ARC200 276 is PD-53. (Z ) (Z )

Table 5-3: Troubleshooting for ARC200D 225 RC250D 226 RC250 227 (Z )/A (Z )/A (Z )

Malfunction Phenomena Cause and Solution

The power indicator does not illuminate; the fan does not work; no welding output.

The power indicator illuminates; the fan does not work; no welding output.

The fan works; the output current is unstable or cannot be controlled by potentiometer when welding.

The fan works; the power indicator is normal; no welding output.

The 220V indicator illuminates when connecting the machine to AC 380V (only for Z225 and Z226)

Excessive spatter in MMA welding.

a. Make sure that the power switch is closed.

b. Make sure that the input voltage is normal.

a. The wire connecting the power switch with the power PCB breaks is loosely

connected. Tighten it.

b. The 24V relay on the power PCB is damaged or not closed. Check the 24V power supply and the relay. Replace the relay if necessary.

a. Check if the current adjustment potentiometer is damaged, and replace it if necessary. b. Check all joints (esp. connectors) for reliable connection.

a. Delay circuit is added for this machine to improve the reliability, so there is no output within 5 seconds after the machine is powered on, while the fan and power indicator appear normal. If there is still no output after 10 seconds or a longer time after the machine is powered on, do the following checking.

b. Check if the connecting wires inside the machine are reliably connected. c. Open circuit or poor contact problems exit at the joints of output terminals. d. The overheating protection indicator illuminates:

1) Themachine is under overheating protection. In this condition, it is unnecessary to pull out the power plug, and it will recover automatically after 5~10 minutes when the machine is cooled down.

2) Check if the thermal switch is damaged, and replace it if necessary.

e. The protection indicator does not illuminate: Shut down the machine, and check with a multimeter whether the two output terminals are short circuited. If so, check if any of the diode or transformer on the center PCB is damaged or short circuited. Replace them if necessary.

a. The mains voltage is below AC 310V. Check if there is any high-power machine working nearby, which leads to the low mains voltage.

b. Check if the chip for judging voltage switching IC5 on the top PCB is damaged, and replace it if necessary.

The output polarity connection is incorrect. Exchange the polarity.

5. TROUBLESHOOTING

SHENZHEN JASIC TECHNOLOGY CO., LTD.

No. 3, Qinglan 1st Road, Pingshan District, Shenzhen, Guangdong, China

www.jasictech.com

Jasic ARC140, Z269, ARC200, Z104, ARC200D Operator's Manual

Specifications and Main Features

Frequently Asked Questions

User Manual