• Code: 795-6
• Description: 24V Check Signal Error 1 PB (D391) The 24V1 monitor signal of the master control board did not go off even though the front door switch was closed. (Relay circuit failed to go ON.)
• Causes: • Front cover switch error • 24V1 monitor signal error • 24V1 power supply error
• Remedy:

• Code: 795-60
• Description: Trimming Scrap Error PB (D391) The trimming scraps did not fall from the trimmings buffer, or trimmings were jammed between the trimmings buffer and the book press plate. After retrieving the scraps after the 2nd cut (top edge) or 3rd cut (fore edge), the edge press plate sensor did not go ON.
• Causes: • Trimming scraps have jammed in or around the trimmings buffer • Edge press plate motor (M36) connections loose, broken, defective • Motor defective • Edge press plate HP sensor (S90) harness loose, broken, defective • Sensor defective
• Remedy:

• Code: 795-61
• Description: Sub Grip Signature Lag Error PB (D391) The sub grip signature sensor remained ON because the signature failed to move out of the sub grip unit.
• Causes: • Signature jam in the sub grip unit • Sub grip signature sensor (S39) defective (did not go OFF even with sub grip unit open and the signature removed)
• Remedy:

• Code: 795-62
• Description: Main Grip Lag Jam PB (D391) The main grip signature sensor remained ON because the book failed to move from the main grip unit to the trimming unit.
• Causes: • Book jam in the main grip unit • Main grip signature sensor (S39) defective (did not go OFF even with the book removed)
• Remedy:

• Code: 795-63
• Description: Signature Thickness Error PB (D391) Signature thickness reading is smaller than the allowed minimum size. -or- Signature thickness reading is larger than the allowed maximum size. -or- The signature thickness reading did not change after the main grippers opened and closed.
• Causes: • Signature thickness sensor (S50) defective.
• Remedy:

• Code: 795-7
• Description: 24V Check Signal Errors PB (D391) 24V Check Signal Error 1 The top cover switch is open or the master control board 24V2 monitor signal failed to go OFF within 5 sec., even though the front door switch and top cover sensor are closed.
• Causes: • Top cover switch error • Front cover switch error • Stacking cover switch error • Master control board connection loose, broken, defective • Master control board defective 24V Check Signal Error 2 The 24V2 check signal of the slave control board failed to go OFF within 5 sec. even though the front door and top cover are closed. • Top cover switch error • Front cover switch error • Slave control board connection loose, broken, defective • Slave control board defective
• Remedy:

• Code: 795-8
• Description: 24V Check Signal Error PB (D391) The 24V3 check signal of the slave control board failed to go OFF within 5 sec. even though the front door is closed.
• Causes: • Front cover switch error • Slave control board connection loose, broken, defective • Slave control board defective
• Remedy:

• Code: 795-9
• Description: Power Supply Fan Lock Errors PB (D391) Power Supply Fan (R) Lock Power Supply Fan (C) Lock Power Supply Fan (L) Lock A fan lock signal was detected during rotation of the power supply fan motor in one of the power supply fans (Right, Center, Left). Two retries were attempted at 12 sec. intervals after detection of the firs lock signal.
• Causes: • Fan overload • Confirm that there are no obstructions interfering with operation of the fan • Fan motor defective
• Remedy: