VER 2. 0
- 33 -
TROUBLE
CAUSE
MEASUREMENT
ARC DOES NOT
IGNITED.
1. VOLTAGE BETWEEN TORCH
& BASE METAL IS NOT
DETECTED
1. CHECK & FASTEN CONNECTIO
N OF TORCH, BASE METAL.
2. WIRE IS NOT FED.
2. CHECK PRESSURE LEVER OF
W/F
3 PCB IS BAD
3. REPLACE PCB
ARC START IS BAD
1. WELDING CONDITION IS
BAD
1. READJUSTMENT OF CURRENT
& VOLTAGE
2. CONNECTION OF WELDING
CABLE IS BAD
2. CHECK & FASTEN WELDING
CABLE
3. TORCH TIP WORN OUT
3. REPLACE TIP
4. SURFACE OF BASE METAL
IS NOT CLEAN
4. CLEAN & REMOVE DUST
INCAPABLE OF
CONTROLLING
WELDING VOLTAGE.
1. VR(VARIABLE RESISTOR)
VOLUNE IS BAD
1. REPLACE VR
2. CONTROL CABLE IS BAD
2. REPAIR CABLE
3. PCB IS BAD
3. REPLACE PCB.
CURRENT DECREASE
DURING WELDING.
1. WELDING CABLE CAPACITY
IS NOT ENOUGH.
1. IF 350A IS, SELECT AT LEAST
38㎟
2. CONNECTION OF WELDING
CABLE IS BAD
2. CHECK & FASTEN WELDING
CABLE
WIRE FEEDING IS
BAD.
1. TORCH TIP IS BAD
1. REPLACE TIP
2. TORCH LINER IS BAD
2. REPLACE LINER
3. PRESSURE LEVER STATE IS
BAD
3. READJUSTMENT OF PRESSURE
LEVER
4. PRESSURE LEVER IS BAD
4. REPLACE PRESSURE LEVER.
5. FEEDING ROLLER IS BAD
5. REPLACE ROLLER SUITABLE
TO DIAMETER OF WIRE ROD.
6. TORCH CABLE IS
CROOKED.
6. STRAIGHT TORCH CABLE.
WHEN TORCH S/W IS
'OFF', WIRE FEEDING
IS GOING ON.
1. TORCH S/W IS BAD
1. REPLACE TORCH S/W
2. CONTROL(9P)CABLE IS
DISCONNECTED
2. REPAIR CABLE
3. PCB IS BAD
3. REPLACE PCB
CRATER DOES NOT
WORK
1. CRATER S/W IS BAD
1. REPLACE S/W
2. PCB IS BAD
2. REPLACE PCB
HEATING REGULATOR
VOLTAGE IS NOT
DETECTED.
1. AUX.TR IS BAD
1. VOLTAGE BETWEEN NO.31 &
32 OF AUX.TR IS NOT DETECTED
110VAC, REPLACE AUX.TR.
2. FUSE(FU3) IS BROKEN
2. REPLACE FUSE(250V, 3A)
BLOW HOLE OCCURS.
1. GAS IS NOT OUT
1. CHECK FLOW METER.
2. NOZZLE HAS MUCH
SPATTER.
2. REMOVE SPATTER.
3. SHIELD GAS IS BLOWN BY
WIND.
3. INSTALL WIND STOPPER.
Summary of Contents for Dynamic auto 350M
Page 11: ...VER 2 0 10 2 2 Manufacturer s Rating Label...
Page 24: ...VER 2 0 23 5 1 2 Crater ON 5 1 3 Crater HOLD...
Page 29: ...VER 2 0 28 SECTION 7 FUNCTION DIAGRAM 7 1 DYNAMIC AUTO 350M...
Page 38: ...VER 2 0 37 9 1 DYNAMIC AUTO 500M OPTION EX03 PCB CT1 INCLUDED...
Page 39: ...VER 2 0 38 SECTION 10 PARTS LIST 10 1 Main Assembly Dynamic Auto 350M...
Page 41: ...VER 2 0 40 10 2 Main Assembly EX PCB Type Dynamic Auto 500M...