Table 3.

Sample fault scenarios that occur in the tablet press.

Failure Root Causes		Diagnostic Sources	Maintenance Actions
Subsystem failure	Subsystem safety design	Device data and alarms	Inspect subsystems
	PLC & HMI error	Process models	Review software
	Communication failure		Verify device settings
Physical setup & operating conditions	Tool installation	Visual inspection	Verify device settings, subsystem calibrations, setup
	Equipment leveling	Condition monitoring
	Punch penetration	Process models
Consumables	Grease or lubricant levels	Device data and alarms	Replenish consumables
	Dust handling	Visual inspection
		Vacuum system inspection
Tool or part wear	Wear strip	Device data and alarms	Maintain tools
	Tablet punch assembly	Visual inspection	Change parts
	Turret balancing	Process models