Revision date: 120813
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Check the E4 Secondary PCB.
These measurement are all made at room temperature 20°C, if the machine is used recently the
values may differ.
Disconnect one of the main transformer leads and one of the choke leads.
Measure between D3A and D3B with diode test and the red probe on D3B.
Correct value is approx. 0.35. If a low value or a short is measured replace the diode module
D3/D4.
Measure between D2A and D2B with diode test and the red probe on D2B.
Correct value is approx. 0.35. If a low value or a short is measured replace the diode module
D1/D2.
Summary of Contents for UPC 1041
Page 1: ...Revision date 120813 Page 1 of 46 Instruction manual UPC 1041 Air Plasma Cutter...
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Page 43: ...Revision date 120813 Page 43 of 46 Notes...
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