HP Scitex FB10000 Industrial Printing Press Geffen TS Error 66051
Summary
This comprehensive technical manual provides step-by-step troubleshooting guidance for critical pneumatic valve failures, specifically addressing Error ID 66051 on industrial printing machines. It guides certified technicians in diagnosing the root cause of valve failure by systematically checking low voltage supply, loss of air pressure, mechanical sticking, and faulty sensor or B&R modules. Essential for electrical maintenance professionals performing high-level diagnostics and repairs on complex pneumatic systems.
Page 1 Text Content
Error ID: 66051: Magenta cross valve front failed to close FB10000 Error Messages Troubleshooting
FB10000 Error Messages Troubleshooting Error ID: 66051: Magenta cross valve front failed to close Error Severity: Critical Possible Causes
Cross valves sensors do not receive 24V supply Feeding valve in Bridge Pneumatic panel does not supply air pressure to cross valves Main Valve in Main Pneumatic panel does not supply air pressure to feeding valve in bridge pneumatic panel One or more cross valve(s) are mechanically stuck One or more cross valve sensor(s) is faulty B&R module 1DO2 in LEC is faulty One of the B&R modules 6DI1, 6DI2, 6DI3 on the bridge is faulty
Troubleshooting Flowchart
Page Summary Contents For HP Scitex FB10000 Industrial Printing Press Geffen TS Error 66051
Manual Details
| Brand | HP |
|---|---|
| Pages | 7 |
| File Size | 639.45 KB |
| Published | June 16, 2026 |
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Frequently Asked Questions
What critical safety steps must be followed when investigating Error ID 66051?
WARNING! High Voltage System! Do not touch any wiring while the system is UP; only an HP certified electrician may perform tests.
If cross valves are failing to close, what components should I check for air pressure issues?
First check the air tube from the Feeding valve in the Bridge pneumatic panel, and then check the air outlet 1 from the Main Valve in the Main pneumatic panel. Leakage also needs repair.
How can I diagnose if a cross-valve sensor is faulty vs. if the valve itself is bad?
If the valve shows good voltage but fails to change state, it suggests a faulty sensor and should be replaced. If no voltage changes when sending a command, the valve might be faulty.
What procedures are needed if I suspect cross-valves are mechanically stuck?
After checking air feed and voltage, remove the cover and check if the cross-valve flag moves upon receiving a change-state order. If it does not move, it is physically stuck.