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Avantra 36/44 Service Manual
3-68
Diagnostics
4.
If the pump still fails to operate, check the vacuum pump fuse:
a.
Turn the system off, unplug it.
b.
Locate the fuse holder on the outside of the electronics box (see Sec-
tion 4.8, Vacuum in Chapter 4, Imagesetter Component Removal/
Replacement Procedure). Refer to Figure 3-3.
c.
Check the fuse with an Ohm meter and replace the fuse, if necessary.
d.
Plug the system in and turn the power on.
e.
If the new fuse blows, turn off and unplug the system.
f.
Locate and remove the electronics box (see Section 4.8, Vacuum in
Chapter 4, Imagesetter Component Removal/Replacement Procedure).
Locate the vacuum pump wires (brown and blue) inside and discon-
nect them.
g.
Install a new fuse, plug the system in, and turn it on.
Continue to Step 5.
5.
Using AVDIAG, choose:
a.
Align
b.
Primitives
c.
Vacuum ON
d.
Check the AC line going into the pump assembly. Using a DVM, mea-
sure the voltage across the following two points:
Pin 2 (solid state relay)
At 110 V
⇒
110 V
Pin 1 (volt sensing relay)
At 220 V
⇒
110 V
A correct voltage reading indicates that a defective vacuum pump is the
most likely problem. Remove the pump (see Section 4.8.1, Vacuum Pump
in Chapter 4, Imagesetter Component Removal/Replacement).
Summary of Contents for Avantra 36/44
Page 1: ...The Avantra 36 44 Service Manual Part Number 580078 0002 ...
Page 24: ...Section I Imagesetter ...
Page 282: ...Section II Bridge ...
Page 327: ...Section III Buffer ...
Page 359: ...Section IV On line Processor ...
Page 462: ...Avantra 36 44 Service Manual B 2 Spare Parts Avantra 36 44 OLP Parts ...
Page 464: ...Avantra 36 44 Service Manual B 4 Spare Parts Avantra 36 44 OLP Parts ...
Page 466: ...Avantra 36 44 Service Manual B 6 Spare Parts Avantra 36 44 OLP Cassette Parts ...
Page 468: ...Avantra 36 44 Service Manual B 8 Spare Parts Avantra 36 44 OLP Feed Rack Parts ...
Page 470: ...Avantra 36 44 Service Manual B 10 Spare Parts Avantra 36 44 OLP Tank Parts ...
Page 472: ...Avantra 36 44 Service Manual B 12 Spare Parts Avantra 36 44 OLP Right Side View Parts ...
Page 474: ...Avantra 36 44 Service Manual B 14 Spare Parts Avantra 36 44 OLP Control Panel Parts ...
Page 476: ...Avantra 36 44 Service Manual B 16 Spare Parts Avantra 36 44 OLP Rack Spare Parts ...
Page 478: ...Avantra 36 44 Service Manual B 18 Spare Parts Avantra 36 44 OLP Dryer Spare Parts 18 ...
Page 480: ...Avantra 36 44 Service Manual B 20 Spare Parts Electronics upper Spare Parts ...
Page 482: ...Avantra 36 44 Service Manual B 22 Spare Parts Electronics lower Spare Parts ...
Page 484: ...C 1 Appendix C Wiring Diagrams ...
Page 491: ...Section V Crane ...