August 22, 2008
6-1
SERVICE MANUAL
FABRICATOR 251
SECTION 6:
BASIC TROUBLESHOOTING
WARNING
Disconnect the Fabricator from the Input power supply voltage before disassembling.
WARNING
Do not attempt to diagnose or repair unless you have had training in electronic measurement and trouble-
shooting techniques.
6.01 Basic Troubleshooting
The basic level of troubleshooting is that which can be performed without special equipment or knowledge, and
without removing the covers from the Power Supply.
If major components are faulty, then the Power Supply should be returned to an Accredited Valley National Gases
Service Agent for repair.
Summary of Contents for FABRICATOR 251
Page 2: ......
Page 22: ...FABRICATOR 251 SERVICE MANUAL 2 6 August 22 2008 NOTES ...
Page 38: ...3 16 August 22 2008 FABRICATOR 251 SERVICE MANUAL NOTES ...
Page 54: ...4 16 August 22 2008 FABRICATOR 251 SERVICE MANUAL NOTES ...
Page 80: ...8 4 August 22 2008 FABRICATOR 251 SERVICE MANUAL NOTES ...
Page 94: ...FABRICATOR 251 A 4 August 22 2008 APPENDIX 3 MAIN PCB CIRCUIT DIAGRAM 30 VAC Art A 08574 ...
Page 95: ...FABRICATOR 251 August 22 2008 A 5 DESCRIPTION FABRICATOR MAIN PCB 7977964 Art A 08574 _ ...
Page 96: ...FABRICATOR 251 A 6 August 22 2008 APPENDIX 4 SPOT TIMER CIRCUIT DIAGRAM Art A 08575 ...
Page 102: ......
Page 103: ......
Page 104: ......