| Masalah | Penyebab Masalah | Solusi |
| Nyalakan saklar daya “power switch”, indikator daya tidak menyala | 1. Lampu “Power Indicator” rusak | ganti |
| 2. Sekring 2A rusak | ganti |
| 3. tidak ada input tegangan tiga fasa 380V | Perbaikan besar |
| 4. input tegangan tiga fasa 380V kehilangan fasa. Lampu “Lack of phase indicator” menyala | Gunakan multimeter untuk mengukur tegangan tiga fasa harus memenuhi persyaratan |
| 5. daya dan sebagainya | ganti |
| 6. control panel atau host rusak | Perbaikan besar |
| Nyalakan input daya tiga fasa, lampu indikator daya menyala, rotasi kipas normal, tetapi buka saklar “test gas”, ujung borong tanpa aliran udara | 1. tidak ada input udara terkompresi | Perawatan suplai gas dan pipa gas |
| 2. host back “air filter pressure regulator” tidak seimbang, indikator tekanan menunjukkan nol. “Underpressure” menunjukkan lampu merah | Sesuaikan ulang tekanan. Metoda: putar roda giring “air filter pressure reducer” searah jarum jam untuk meningkatkan, jika tidak kurangi. |
| 3. lampu “test gas” rusak | ganti |
| 4. solenoid valve host rusak | Perbaikan besar atau ganti |
| 5. pipa gas bocor atau short circuit | Perbaikan besar |
| Buka saklar “test gas”, ujung borong memiliki aliran udara, saat menutup lampu “cut”, matikan saklar borong, tetapi tidak ada jet udara maupun aksi program host | 1. saklar borong pecah atau kabel saklar borong pecah | Ganti atau perbaikan besar |
| 2. saklar “cut” rusak | ganti |
| 3. control circuit board host rusak | Perbaikan besar |
| 4. control transformer host atau kabel atau komponen terkait rusak | Perbaikan besar |
| 5. host karena kurang tekanan dan over temperature dan sebabnya dalam protection downtime | Sampai tekanan udara kembali normal atau suhu host kembali normal maka akan kembali normal |
| 6. Water-cooled cutting torch equipped with water cooling system is not working properly, or lack of water in the tank, causing the lack of pressure, so that the host is in a protected state | Periksa dan selesaikan, jika Department of Tap water supply pressure, water pressure should be increased |
| Nyalakan saklar borong dengan aliran udara di ujung borong tetapi tidak “up” maupun “up” cut | 1. input three-phase power phase loss | Overhaul |
| 2. air pressure less than 0.45Mpa | Adjust to normal by the method described in Table 3.2 |
| 3. the input air flow is too small | Increase the input air flow 300L / min |
| 4. “cut the ground” chuck and workpiece poor conductive or “cut ground wire” wire fracture | Clamp or service conductor again |
| 5. cutting torch nozzle electrode or other parts damaged | Replacement of new parts |
| 6. cutting method is not correct | The torch nozzle should be placed on the starting point of the workpiece cutting before turning on the torch switch |
| 7. cutting torch cable open circuit | Use the multimeter R * 10 file to measure the path between the conductive part of the host “output interface” and the torch electrode, otherwise the surface cable is broken |
| 8. the host “FD” spark gap too large or short circuit | Re-adjust the tungsten rod gap is about 0.5mm-0.8mm, if the Department of tungsten rod structure, the two gaps add equal to 0.5mm-0.8mm |
| 9. the host part of the line or component damage, such as pressure controller | Overhaul |
| 10, the host control board disorders or damage | Overhaul or replace |
| 11. torch damage | Use a multimeter R * 10K file cutting torch electrode holder and the external thread M32 or M35 resistance value should be close to ∽ to hundreds of K, if the resistance is too small (such as a few K-a few Ω) indicates damage or damp, should After washing and drying measurements, to confirm the damage should be replaced |
| Contact can be cut, but non-contact can not be cut, the experiment non-transfer arc non-sparking nozzle | 1.15A fuse fuse open circuit | replace |
| 2. “air filter pressure reducer” indicates the value is too high | Adjust according to the method shown in Table 3.2 |
| 3. Torch electrode nozzle or other parts damaged | replace |
| 4. cutting torch damp, compressed air moisture content is too large | The torch is dried and the compressed air is dried and then into the machine |
| 5. “pilot arc interface” to cut the wire between the torch open | Use the multimeter R * 10 file to measure the “pilot arc interface” terminal and the metal torch cutting torch should pass |
| 6. cutting torch damage | The inspection method is the same as this table 5.11 |
| Cutting thickness selection switch placed in a file can be cut, but the other file does not work | 1. cut thick switch or wire selection bad | replace |
| 2. one of the host AC contactor CJ1 or CJ2 bad | Replace or repair |
| 3. rectifier main transformer B1 bad or related wire open circuit | service |
| Electric arc unstable at work | 1. the pressure is too low or too high | Readjustment, method refer to table 3.2 |
| 2. cutting torch nozzle or electrode burning | replace |
| 3. input AC voltage is too low | Adjust input AC voltage |
| 4. “cut the ground” and poor work between the conductive | Connected properly |
| 5. cutting moving slowly | Adjust the speed of movement |
| 6. the spark generator can not automatically broken arc | Normal, open the torch switch spark generator discharge time should be 0.5-1S, and then automatically stop, otherwise, that control circuit board disorders; control circuit or component failure, should be overhaul |
| 7. the relevant components in the host is not working properly | Overhaul |
| Plasma cutting thickness up to rated indicators | 1. input three-phase voltage up to 380V | Adjust the input voltage |
| 2. the input power capacity is too small cutting pressure drop too much | Should increase the input capacity |
| 3. enter the compressed air pressure is too low or too high | Adjust to 0.4Mpa, the method see Table 3.2 |
| 4. enter the compressed air flow is too small, work pressure gauge shows the value dropped from normal to about 0.3Mpa, stop working turn off the power switch, the pressure back to normal immediately | Plus the input compressed air flow to 300L / min; if the system is based on the pipe hole is too small, should be greater than φ8mm bore hole in the pipeline |
| 5. “cut thickness selection” switch the gear selected inappropriate | Exchange to “upscale” |
| 6. cutting speed too fast | Slow down the cutting speed |
| 7. the work material does not match with Table 2 | Adjustment parameters |
| 8. the nozzle hole has been burned | Adjust the new nozzle |
| 9. the electrode has been burned | replace |
| 10. the nozzle model is wrong | Adjust the correct type of nozzle |
| 11. air system or cutting torch cable damage leakage, then the nozzle orifice flow was significantly reduced | Repair or replace |
| Cut material bias | 1. the nozzle electrode is damaged | replace |
| 2. the nozzle electrode mounting position is different axis | Re-install correctly |
| 3. cutting too fast | Appropriate slow down |
| 4. the nozzle axis and the workpiece plane is not vertical | Adjust and solve |
| Cutting too wide, poor quality incision | 1. cutting speed is too slow | Adjust the speed |
| 2. the nozzle, the electrode has been burned | Updated |
| 3. the working material, thickness and “cut thick choice” switch position does not match | Adjustment |
| 4. the nozzle model is not correct, the hole is too large | Replace the correct type of nozzle |
| Plasma cutting torch burn out | 1. the metal pressure cap is not compressed | Usually replace the electrode nozzle should be promptly compressed |
| 2. cutting torch conductive joints loose, broken cable trachea, water-cooled torch interface leakage | Check and solve in time |
| 3. cutting torch joints poor insulation | Should ensure that the insulation at the junction of good |
| 4. cutting torch ceramic protective cover is damaged, but not promptly replaced | Should be promptly replaced |
| 5. compressed air in excess water | Timely discharge “air filter pressure reducer” in the water, if the compressed air moisture content |
| 6. boot cutting, cutting torch model wrong | Parallel cutting should choose water-cooled cutting torch, air-cooled cutting torch carrying capacity is too small, can not be used |
| 7. the electrode is not replaced after burning | Electrode burn should be promptly updated |
| 8. water-cooled torch working water system is not normal or the ambient temperature is too low, the interface leakage | Check and solve, and can not work in the freezing temperature environment |
| Rectifier diodes D1-D6 often burn out | 1. the new diode reverse reverse voltage is too low | Reverse voltage withstand> 1200V diode should be selected |
| 2. C101-C103; C104; C106 or R101; R102 in one or a few damaged | replace |
| 3. rectifier transformer B1 is damaged | Replace or repair |
| 4. Plasma cutting torch is damaged | Remove the torch from the main unit, with a multimeter R * 10K file measuring electrode and the torch external thread M32 or M35. the resistance value should be close to ∽, if under tens of K, has been damaged |
