Hyundai Dynamic auto 350M Operation Manual page 33

TROUBLE
GAS IS FLOWING
BACKWARD TO WIRE
FEEDER.
WHEN TORCH S/W IS
'ON', NO LOAD
VOLTAGE IS NOT
DETECTED.
WHEN TORCH S/W IS
'ON', WIRE FEEDER
MOTOR DOES NOT
ROTATE.
INCAPABLE OF
CONTROLLING WIRE
FEEDING SPEED.
CAUSE
3. CONTROL(9P)CABLE IS
DISCONNECTED
4. PCB IS BAD
1. GAS DIFFUSER IN TORCH
IS ASSEMBLED BADLY
2. TORCH LINER IS
ASSEMBLED BADLY
3. TORCH CABLE IS
CROOKED.
1. POWER S/W IS NOT 'ON'.
2. TORCH S/W IS BAD
3. TORCH S/W CONNECTOR IS
BAD
4. FUSE(1A) IN W/F IS
BROKEN
5. CONTROL(9P)CABLE IS
DISCONNECTED
6. MS CONNECTOR IS BAD
7. PCB판, MAGNETIC
CONTACTOR IS BAD
1. TORCH, INCHING S/W IS
BAD
2.CONTROL(9P)CABLE IS
DISCONNECTED
3. AUX. TRANSFORMER IS
BAD
4. MOTOR FUSE(FU4) IS
BROKEN
5. PCB IS BAD
6. W/F MOTOR IS BAD
1. VR(VARIABLE RESISTOR)
VOLUNE IS BAD
2. CONTROL CABLE IS BAD
3. PCB IS BAD
MEASUREMENT
3. REPAIR CABLE
4. REPLACE PCB
1. ASSEMBLE RIGHTLY.
2. ASSEMBLE OR REPLACE LINE-
R, O-RING
3. STRAIGHT TORCH CABLE.
1. POWER S/W "ON"
2. REPLACE S/W
3. REPLACE CONNECTOR
4. CHECK & REPAIR CONTROL
CABLE, AND BETWEEN CONTROL
CABLE AND WELDING CABLE.
5. REPAIR CABLE
6. REPLACE CONNECTOR
7. 1) LINE NO. 26-27 : AC220V
2) LINE NO. 27-29 : AC220V
→ 1)IS DETECTED BUT 2)IS NOT
DETECTED: REPLACE PCB
→ 1), 2)IS DETECTED BUT M/C
DOES NOT WORK: REPLACE M/C
1. REPLACE S/W
2. REPAIR CABLE
3. AMONG THE VOLTAGE OF LINE
NO. 32-40-33 IS NOT DETECTED
32V&32V, REPLACE AUX.TR.
4. REPLACE FUSE(250V, 10A)
5. VOLTAGE OF BETWEEN LINE
NO. 40-41 IN CN11 IS NOT
DETECTED (- 24VDC), REPLACE
PCB
6. REPLACE MOTOR
1. REPLACE VR
2. REPAIR CABLE
3, REPLACE PCB.
- 32 -
VER 2. 0