Jasic AC/DC250P Скачать руководство пользователя страница 13

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6. Turn on the machine and it

appears normal, it can start arc

in TIG mode, but the welding

point appears black.

a. The magnet valve or the gas tube is

blocked.

b. The magnet valve is damaged.

c. The connecting cable matching socket

CON3 on HF PCB PZ-35-A0 with socket

CON7 on control panel PK-31-A0 is in

loose connection.

d. Some part in the magnet valve control

circuit on HF PCB PZ-35-A0 or on control

panel PK-31-A0 is damaged.

e. The welding torch is damaged.

f. The tungsten is of bad quality or the

argon is impure.

a. Clear.

b. Replace.

c. Check.

d. Check with a multi-meter if

MOSFET VT2, diode D6, zener

diode Z1 on HF PCB or audion Q1

on control PCB PK-31-A0 is

damaged or if the magnet valve

control cable matching the socket

CON2 is disconnected.

e. Remove the welding torch and the

gas-electricity tie-in, and press the

welding torch switch. If there is

gas out, the welding torch is

damaged. Replace it.

Replace them if necessary.

7. The welding current is

unstable and out of control.

a. The connecting cable matching socket

CON2 on control PCB PK-05-A4 with

socket CON11 on control panel

PK-31-A0 is in loose connection.

b. The capacitor C1/C2/C3/C4/C5/C6 on

bottom PCB PZ-03-B0 leaks or is

damaged.

The input cable or output cable is too slim

and too long.

d. Loose connection exists inside the

machine, e.g. the connecting cable

matching socket CON4 on control panel

with the remote control.

a. Check and replace it if necessary.

b. Check and replace it if necessary.

c. Enlarge the cross section area of

the cable.

d. Check.

Содержание AC/DC250P

Страница 1: ... VH 09 8 CON3 OUT1 OUT2 INVERTERBOARD PN 05 A2 PN 06 A1 CON11 CON1 ARC FORCE CON12 PROTECT LED CURRENT CON13 CON14 THERMAL SWITCH CONTROL BOARD PK 31 A0 CON1 VH 05 VH 04 50W450R 4 CON1 CON5 PK 09 A3 DRIVE BOARD CON15 CON3 AC20V 4 0 AC380V AC220V T T CON2 OR CON 4 XH 03 2 PH 10 A2 Gun Switch Board Gun switch CON9 CON10 2T 4T CON5 AC DC CON6 CON7 ARC TIG CONTROL GAS CON8 CONTROL HF CON2 CON3 CONTROL...

Страница 2: ...ck 14 1 2 3 4 5 X1 104 F1 F2 F1 F2 F3 380 220 0 1 2 3 x9 F4 F5 F6 1 2 CON8 F7 F8 F9 drive board PK 09 center board PD 13 120K 12V A5 A6 arc force L1 1 2 CP1 U5A 1 2 3 C15 D6 D8 3 4 U8B 8 9 U8D 5 6 U8C 12 13 U8F 1 2 U8A R7 C42 R55 R39 C5 12 12 C16 D16 D14 R25 R49 D11 D 9 Q 13 CLK 11 Q 12 R 10 S 8 U2 R11 D12 l5 l6 1 2 3 CON9 1 2 CON10 D3 D27 D4 D19 D22 Q1 VR6 VR9 R45 R23 C25 R14 C19 R12 C20 12 R8 C2...

Страница 3: ...5 1K R2 220K R8 5K1 R17 5K1 D5 4148 R23 6K2 C14 222 D7 15V R29 2K R30 22K R26 680Ω Q5 8050 Q4 8050 R24 1K 24V 24V Q3 MCR100 6 C17 104 C9 104 C1 472 D1 LED2 D2 LED1 R11 20K 2 10 12 14 17 1 12V 21 30 24V 12V 4 11 13 24V 25 23 29 27 R6 2K R16 30K C10 103 Q2 8050 12V C7 47uF D3 4148 C6 4 7uF R9 15K 18 R10 5 1K 6 5 NC 9 19 20 22 24 31 R27 51 16 28 3 15 R14 10K 8 R4 8 2K R15 20K R13 30K C18 104 C4 222 2...

Страница 4: ...8 U10 U12 U14 U16 U18 U20 U22 U24 U23 U21 U19 U17 U15 U13 U11 U9 U7 U5 U3 U1 2006 02 08 PM 04 A3 1 1 1 1 R11 R9 R10 L1 CON3 D8 D7 CON1 D1 R3 C2 C1 R2 U9 U10 U11 U12 U1 U2 U3 U4 U5 U6 U7 U20 U16 U24 U17 U19 U18 U13 U23 U22 U21 U8 T3 T1 T2 T4 U14 U15 R4 C4 C3 R1 R6 C6 C5 R5 R8 C8 C7 R7 R13 C12 R12 R17 C14 C13 R16 R15 C10 C15 R14 R19 C17 C16 R18 C11 D2 RV1 C9 AC DC315 315P TIG315 T 2005 09 PD 13 B0 ...

Страница 5: ... C1 CON8 CON1 RELY1 CON2 CON4 CON5 CP1 CP2 CP3 CON6 CON3 RT2 X4 X3 X2 2005 09 PZ 03 B0 AC DC TIG T D6 C8 C10 Q1 R5 R4 D5 VT1 R3 R6 CON4 D1 D2 D3 R2 R1 CP2 CP1 C1 C3 C2 C5 D4 C6 T1 CON1 C4 RELAY1 Z1 CON3 VT2 C9 CON2 C7 PZ 35 A0 2006 03 06 P1 P2 ...

Страница 6: ...8 R39 R42 R25 R43 R44 R46 R47 R48 R50 R54 R51 R52 R56 R55 R57 R60 R69 R71 R73 R74 R76 CON13 CON15 D32 D31 D34 D33 C23 C22 U9 U2 R7 R11 CON8 L2 L1 U1 C3 C5 L6 L5 C2 R53 C15 C16 R63 R66 C21 C28 R67 C25 CON4 R8 CON3 CON2 CON1 R3 Q2 C10 R17 R40 R36 R31 C4 L4 L3 C12 R20 R26 Q5 Q6 C24 C19 R14 R16 C6 C20 R75 L7 R28 C13 R49 C7 CON14 C14 C11 PK 31 A0 2006 02 08 C13 C12 C5 C17 C2 C8 CON3 CON2 R5 U1 C7 D1 C6...

Страница 7: ...U9 D6 D5 CON9 C8 C18 L1 U7 C34 C33 C26 C13 C27 C16 C25 C12 C20 U8 R19 D8 D10 R10 R13 C31 CON7 CON8 R14 R20 R18 R16 R15 R24 R28 R35 R1 C32 C23 C17 R34 C10 C30 R21 PK 05 A4 2006 02 08 C13 D1 C12 C7 LED2 LED1 R4 P1 R14 R17 R29 R16 R31 R25 R21 R19 D5 R28 C8 R15 C15 Z2 Z3 R7 R6 C4 R23 R32 D4 D3 D2 Z1 R12 R13 R9 R1 R2 R8 C6 C9 C5 C18 C1 C2 R30 U2 Q5 Q8 Q7 Q4 C16 Q9 Q1 Q3 C14 U3 C17 C10 C11 Q2 R24 R22 R1...

Страница 8: ...6 R17 R18 R19 R20 R21 R22 R23 8 15 6 PN 06 A1 2005 09 AC DC250B 315 T CON1 R13 3 6 C2 1 8 VT14 VT15 VT16 VT17 VT18 VT19 VT20 VT21 VT22 VT23 VT24 VT25 C1 Z3 R14 D1 R15 Z1 Z2 A2 A3 A1 Z5 Z4 _8 _3 D2 C6 C3 VT13 C8 C7 C4 VT1 VT2 VT3 VT4 VT5 VT6 VT7 VT8 VT9 VT10 VT11 VT12 R1 R12 R11 R10 R9 R8 R7 R6 R5 R4 R3 R2 _12 _1 4 2 5 7 _5 _9 _7 _6 _4 _10 _11 _2 D3 R27 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 C...

Страница 9: ...oltage is abnormal b The power supply cable is not in good connection with CP1 CP3 on bottom PCB PZ 03 B0 or the tie in is damaged c The power supply switch may be damaged or unclosed d The connecting cable matching socket CON1 CON6 on power supply conversion PCB PH 20 A1 is in loose connection a Check if the input voltage is AC 380V b Check c Check and replace it if necessary d Check ...

Страница 10: ...y c Check d Check with a multi meter if chip U1 on PK 03 A1 is damaged Check if the 16th pin of U1 is 5V If it s not replace the chip because U1 is damaged Check if diode D2 D3 D4 audion Q2 Q3 Q4 Q5 Q6 Q7 Q9 thyristor Q1 zener diode Z1 Z2 Z3 capacitor C17 or resistor R32 is damaged e Check if MOSFET U2 U3 U4 U5 or resistor R32 is damaged 3 Turn on the machine the meter displays but the thermal res...

Страница 11: ... on HF PCB have conglutination excessive clearance or serious oxidation problem e The ARC TIG conversion switch on the panel or chip U7 on control panel PK 31 A0 is damaged f The connecting cable matching socket CON8 on control PCB PK 31 A0 with socket CON4 on HF PCB PZ 35 A0 is in loose connection or HF relay RELAY1 audion Q1 MOSFET VT1 or diode D5 on HF PCB is damaged a Check b Check c Check d A...

Страница 12: ...mins or the secondary inverter thermal switch is damaged c Check Turn off the machine pull out the connecting cable matching the socket CON2 on top PCB PM 04 A3 with the socket CON1 on HF PCB PZ 35 B0 turn on the machine If the malfunction LED is off the transformer T1 on HF PCB is short circuited or damaged If it s on turn off the machine pull out the connecting cable matching socket CON1 on top ...

Страница 13: ... damaged or if the magnet valve control cable matching the socket CON2 is disconnected e Remove the welding torch and the gas electricity tie in and press the welding torch switch If there is gas out the welding torch is damaged Replace it f Replace them if necessary 7 The welding current is unstable and out of control a The connecting cable matching socket CON2 on control PCB PK 05 A4 with socket...

Страница 14: ...h is in loose connection b The output terminal of the earth cable is in loose connection with gas electricity tie in a Check and replace it if necessary b Check and replace it if necessary 11 The arc starting is bad in TIG mode a The space between discharge nozzles P1 and P2 on HF PCB PZ 34 A0 is too big or small or their surface is badly oxidized b The high voltage capacitor C3 C4 on HF PCB is da...

Страница 15: ...nnecting cable matching socket CON8 on control panel PK 31 A0 with socket CON4 on bottom PCB PZ 35 A0 is in loose connection or chip U1 on control panel PK 31 A0 is damaged a Check with a multi meter if chip U8 or diode D14 D18 on control panel PK 31 A0 is damaged Disconnect the connecting cable matching the socket CON9 short circuit both terminal of socket CON9 and check if the manual switch boar...

Страница 16: ...et CON2 CON3 on control panel PK 31 A0 with the pulse conversion switch is short circuited or chip U4 capacitor C4 C11 potentiometer VR2 VR3 or diode D24 is damaged a Check and replace it if necessary b Check 17 When no load in ARC mode it appears normal in DC mode but there is abnormal sound in AC mode a Some MOSFET on the secondary inverter PCB PN 05 A2 PN 06 A1 is damaged a Check Method Turn to...

Страница 17: ...R13 or zener diode Z3 on inverter PCB PN 05 A2 is damaged a Check and replace it if necessary b Check and replace it if necessary 21 Press the welding torch switch there is gas out the show value of the meter is invariable there is only small current and the pre flow time is variable a The connecting cable matching socket CON11 on control panel PK 31 A0 with socket CON2 on control PCB PK 05 A4 is ...

Страница 18: ... socket CON15 on control panel PK 31 A0 is in loose connection d The resistor R51 R44 or chip U6 on control panel PK 31 A0 is damaged a Check b Check c Check d Check Method properly reduce the value of resistor R44 24 The tungsten is badly burned out in AC mode a The value of AC clean width on the panel is adjusted too big a Adjust the clean width smaller 25 The manual control is normal but the pe...

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