M
AINTENANCE
3-8
Service Manual
TROUBLESHOOTING
The troubleshooting procedures include the
Troubleshooting Guide, Resistance Checks and the
Voltage Checks.
The complexity of the circuits require that service technicians have a working knowledge of inverter
power supply theory. In addition to being technically qualified, technicians must perform all testing
with safety in mind.
If questions or problems arise during servicing, call the Hypertherm Technical Services Department at
1 800 643 9878, or email Technical Services at: - [email protected].
Test Equipment
•
Multimeter
Troubleshooting Procedures
Maintenance of the Powermax900 power supply consists of performing visual inspection and trouble-
shooting procedures.
•
Refer to the system wiring diagram when performing the checkout procedures.
•
To locate power supply components refer to Sections 4, 5 or 6. Refer to Section 7 for torch
components.
•
After the problem has been located and repaired, refer to the
Sequence of Operation flow
diagram in this section to test the power unit for proper operation.
Visual Inspection - External
1.
Inspect the outside of the power supply for damage to the cover and external components.
2.
Inspect the torch and the torch lead for damage.
Summary of Contents for powermax900
Page 1: ...EN50199 EN50192 Plasma Arc Cutting System Service Manual 803150 Revision 3 ...
Page 9: ...TABLE OF CONTENTS Service Manual vi ...
Page 15: ...SAFETY 1 6 Hypertherm Plasma Systems 8 99 ...
Page 21: ...SÉCURITÉ 1a 6 08 99 HYPERTHERM Systèmes plasma ...
Page 48: ...3 21 MAINTENANCE Service Manual Notes ...
Page 69: ...4 12 Service Manual PARTS LIST 208 240 480V ...
Page 81: ...5 12 Service Manual PARTS LIST 200 230 400V ...
Page 93: ...6 12 Service Manual PARTS LIST 400V CE ...
Page 99: ...7 6 Service Manual PARTS LIST TORCH AND CONSUMABLES ...
Page 101: ...8 2 E ELEC SCHEM PMX900 208 240 480V 013 3 326 1 OF 1 ...
Page 102: ...8 3 E ELEC SCHEM PMX900 200 230 400V 013 3 328 1 OF 1 ...
Page 103: ...8 4 E ELEC SCHEM PMX900 CE 400V 013 3 327 1 OF 1 ...