APPENDIX B : COMPRESSOR DRIVEN AIRDRYER
B--20
20950 Issue 1 April 98
FAULT FINDING AND REPAIR
The airdryer PCB contains a switch and links which should be set as on
Pg. B--31, see also service diagrams on Pg. B--41.
Fault Diagnosis
The following tables are provided for help in fault finding.
Air Pressure Faults
FAULT
POSSIBLE CAUSE
ACTION
No flow at print
head.
Kink or loose
connection in tubes
connecting airdryer
to printer.
dryer.
Check tubes and
connections.
Needle valve closed
or blocked.
Filter blocked.
Check filter between
Peltier assembly and
regulator.
Check compressor filter.
Compressor faulty.
Check for electrical
supply failure.
Check for mechanical
failure.
Solenoid valve
permanently open
or leaking.
Check solenoid valve.
Check solenoid valve
wiring.
Check solenoid control
from PCB -- set LK2 to
position 1--2 and check
operation every 6 secs.
Reset to position 3--4.
Air leak in system.
Check for split tubes,
broken or loose
connections.
PRV permanently
open.
Summary of Contents for A-SERIES
Page 1: ...DOMINO A SERIES INK JET PRINTER OPERATION AND MAINTENANCE MANUAL ...
Page 6: ... 6 27080 Issue 1 Sept 98 ...
Page 8: ... 8 27080 Issue 1 Sept 98 ...
Page 10: ... 10 27080 Issue 1 Sept 98 ...
Page 12: ...HEALTH AND SAFETY 1 2 27080 Issue 1 August 98 ...
Page 18: ...HEALTH AND SAFETY 1 8 27080 Issue 1 August 98 ...
Page 20: ......
Page 21: ......
Page 22: ......
Page 36: ...OPERATION 3 2 27080 Issue 1 August 98 ...
Page 55: ...DISPLAY MESSAGES AND FAULT FINDING 4 2 27080 Issue 1 August 98 ...
Page 76: ...REFERENCE 5 4 27080 Issue 1 August 98 ...
Page 136: ...PRINTER DESCRIPTION 6 20 27080 Issue 1 September 98 ...
Page 137: ...DESCRIPTION 27080 Issue 1 August 98 6 21 Wiring Diagram 37700W Iss 1 PELTI ER ...
Page 138: ...DESCRIPTION 6 22 27080 Issue 1 August 98 ...
Page 140: ...MAINTENANCE 7 2 27080 Issue 1 Sept 98 ...
Page 142: ...MAINTENANCE 7 4 27080 Issue 1 Sept 98 ...
Page 156: ...MAINTENANCE 7 18 27080 Issue 1 Sept 98 ...
Page 158: ...REPAIR 8 2 27080 Issue 1 Sept 98 ...
Page 192: ...REPAIR 8 36 27080 Issue 1 Sept 98 ...
Page 208: ...SPARES AND ACCESSORIES 9 16 27080 Issue 1 Sept 98 Electronics Inner Door 1 2 3 4 5 6 7 ...
Page 212: ...SPARES AND ACCESSORIES 9 20 27080 Issue 1 Sept 98 ...
Page 214: ...OPTIONS 10 2 27080 Issue 1 Sept 98 ...
Page 240: ...OPTIONS 10 28 27080 Issue 1 Sept 98 ...
Page 242: ...APPENDIX A INSTALLATION A 2 27080 Issue 1 Sept 98 ...
Page 261: ...APPENDIX B COMPRESSOR DRIVEN AIRDRYER B 2 20950 Issue 1 April 98 ...
Page 311: ...APPENDIX B A SERIES AIR DRIVEN AIRDRYER B 2 20951 Issue 1 Apr 98 ...
Page 313: ...APPENDIX B A SERIES AIR DRIVEN AIRDRYER B 4 20951 Issue 1 Apr 98 ...