ESAB ESP-50 Guide de dépannage

2275.1 GENERALIf this equipment does not operate properly, stop work immediately and investigate the cause of the malfunction. Maintenance work mu

236Figure 7-1. ESP-50 Power Source, Front View Item Qty. Part Circuit No. Req. No. Description Symbol 1 1 137630611 KNOB 2 1 0

237Figure 7-2. ESP-50 Power Source, Rear View160, 161162158, 159151, 152153154, 155, 156, 164SECTION 7 REPLACEMENT PARTS Item Qty. Part Circui

238Figure 7-3. ESP-50 Power Source, Left Side View (208/230)243529, 3040212738234437363925, 263132, 33, 3446, 4743273525, 264145SECTION 7 REPLACEMEN

239 Item Qty. Part Circuit No. Req. No. Description Symbol 21 1 952150 BRIDGE 60ADC 100NS 600 V (includes PAD - 951192) D1 22 1 952

240Figure 7-4. ESP-50 Power Source, Left Side View (400CE/460)555356, 57, 5872515969547568677156, 57, 58616364, 65, 6677, 78606274737648SECTION 7 REP

241 Item Qty. Part Circuit No. Req. No. Description Symbol 51 1 952150 BRIDGE 60 ADC 100NS 600 V (includes PAD - 951192) D1 52 1 95

242Figure 7-5. ESP-50 Power Source, Right Side View (208/230)808887818694939670SECTION 7 REPLACEMENT PARTS

243 Item Qty. Part Circuit No. Req. No. Description Symbol 80 1 35940 CONTROL TRANSFORMER ASS'Y T2 81 2 17300008 RESISTOR 300

244Figure 7-6. ESP-50 Power Source, Right Side View (400CE/460)117111110133125121123, 13512211682SECTION 7 REPLACEMENT PARTS

245 Item Qty. Part Circuit No. Req. No. Description Symbol 110 1 32914 CONTROL TRANSFORMER ASS'Y T2 111 1 17300008 RESISTOR 3

2285.4 IGBT Handling & ReplacementSince IGBT gates are insulated from any other conducting region, care should be taken to prevent static build

246 Item Qty. Part Circuit No. Req. No. Description Symbol 140 1 954673 LABEL CNC INTERFACE 141 1 952026 TERM BLOCK 7 POS 25 A TB4

247SECTION 7 REPLACEMENT PARTS

248NOTES

249REVISION HISTORYOriginal release of this manual: 02/2004. 1. 04/2004 Revision - added Pierce Height to cut data charts. 2. 01/2005 Revision - Se

ESAB ABSE--695 81 LAXÅSWEDENPhone +46 584 81 000Fax +46 584 123 08www.esab.comESAB subsidiaries and representative officesEuropeAUSTRIAESAB Ges.m.b.HV

2296.1 TROUBLESHOOTINGCheck the problem against the symptoms in the following troubleshooting guide. The remedy may be quite simple. If the cause

230D. The Power light is on, but nothing happens when the torch switch is de-pressed. Fault light does not activate.1. Check the following: a. Wi

2313. Over Current. The fault light will be on continuously. This indicates that the input current to the main transformer has exceeded preset limit

232H. Poor Cutting Performance.1. Check air supply regulator . It should be adjusted to 65 - 75 psig (4.5 - 5.2 bars).2. The air supplied to the to

2336.3 REFERENCE VOLTAGE CHECKSA. Control Board Assembly (PCB1) 1. LED’s LED-1 - Torch Switch LED-3 - Gas Solenoid Valve 2. Voltage T

2346.4 SEQUENCE OF OPERATIONNOTES:1. When the start signal is turned "on" during postow period, the postow and preow times are cancele

235SECTION 7 REPLACEMENT PARTS7.1 GeneralAlways provide the serial number of the unit on which the parts will be used. The serial number is stamped