HYUNDAI WELDING HiEGW 600W, Operation Manual

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TROUBLE CAUSE MEASUREMENT
6. W/F MOTOR IS BAD 6. REPLACE MOTOR
INCAPABLE OF
CONTROLLING WIRE
FEEDING SPEED. 1. VR(VARIABLE RESISTOR)
VOLUNE ON W/F IS BAD 1. REPLACE VR
2. CONTROL CABLE IS BAD 2. REPAIR CABLE
3. PCB IS BAD 3. REPLACE PCB.
ARC DOES NOT
IGNITED. 1. VOLTAGE BETWEEN TORCH
& BASE METAL IS NOT DETEC
TED 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 ON W/F 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 400A IS, SELECT AT LEAST
50㎟
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
2. PCB IS BAD 1. REPLACE S/W
2. REPLACE PCB