SIGNA™ Hero 3.0T Service Methods
5852800-8EN Revision 1.0
Object ID: 00000018WIA30718650GYZ
Topic ID: id_2024764 Version: 1.10
Date: Dec 20, 2021 3:25:01 PM

Troubleshooting the dockable table

Table 1. Table armboard
Symptom	Failure point	Possible cause	Troubleshooting	Resolution
The armboard does not latch.	Armboard clutches	The cable is too tight to release the clutch.	Remove the handle cover and loosen the adjustment screw until the clutch can be locked. If loosening the screw resolves the failure, there is no need to replace the armboard. If the screw does not resolve the condition, replace the armboard.	Loosen the adjustment screw or replace the armboard.
The armboard will not release with the handle.	Handle mechanism	The handle cannot return to the home position.	N/A	Replace the armboard.
	Handle mechanism	The arms, crimps, or cables are broken or worn out.	Remove the handle cover to examine the arms and cables for breaks or wear. If confirmed, replace the armboard.	Replace the armboard.
	Release cable	There is a gap between the arm and the baseplate pin.	Remove the handle cover to examine the gap between the arm and the baseplate pin; if there is a gap, turn the adjustment screw to reduce the gap to 0 mm. If the armboard releases after the adjustment, there is no need to replace it. Otherwise, replace the armboard.	Tighten the adjustment screw or replace the armboard.
	Armboard clutches	The armboard clutch shoulder screw is loose.	Remove the armboard and examine whether the clutch shoulder screw (large slotted brass screw) is too loose. If it is, replace the armboard.	Replace the armboard.

Table 2. Table lowering
Symptom	Failure point	Possible cause	Troubleshooting	Resolution
The table does not lower with dock or table down pedal.	Safety lever	The safety lever is lowered.	Make sure the safety lever is not lowered. With the table mechanically and electrically docked, lower the table using a down pedal.	Raise the safety lever.
	Cradle position	The cradle is not in the home position.	Make sure the safety lever is not lowered. With the table mechanically and electrically docked, lower the table using a down pedal.	Press the home button on the magnet or pull the egress handle to move the cradle to the home position.
	Cradle interlock	The interlocks are holding the down link bar above the cylinder down lever.	Make sure the bracket is not stuck and holding the link bar up. Interference from cables can prevent the bracket from releasing.	Press the home button on the magnet or pull the egress handle to move the cradle to the home position. Adjust the flipper interlock cable per the flipper interlock adjustment procedure.
	Down pedal link bracket	The down link bar is resting on top of the cylinder down lever.	Make sure the down pedal linkage inside the dock is not broken and is installed properly.	Adjust the dock push rod to create a 1/16 to 1/8 inch gap between the down link bar and the cylinder down lever. Make sure the routing of the high pressure line does not allow the link bar to contact it.
	Down pedal link bracket		Make sure the down link bar is fully retracted by the down link retract spring when the down pedal is not depressed.	Replace the down link retract spring.
The table lowers slower with the dock down pedal than the table down pedal.	Push rod	The push rod is not adjusted correctly.	Examine the push rod position per the flipper interlock adjustment procedure.	Adjust the push rod until the gap between the down link bar and the cylinder down lever is 1/16 to 1/8 inch.

Table 3. Table raising
Symptom	Failure point	Possible cause	Troubleshooting	Resolution
The table does not raise with the reciprocating pump.	Cylinder down lever	The cylinder down lever is stuck in the open position.	Examine the dock push rod setting to make sure it is not pushing on the cylinder down lever when both down pedals are not depressed.	Adjust the push rod until the gap between the down link bar and the cylinder down lever is 1/16 to 1/8 inch.
	Reciprocating pump linkages	The reciprocating pump linkages are worn too much.	Examine the reciprocating pump linkages for wear and make sure all the pins are installed.	Replace any worn linkage(s).
	Hydraulic system	There is too much air in the hydraulic system.	Examine the hydraulic system for too much air.	If REQUIRED, bleed air out of the hydraulic system.
	Hydraulic system	There is not enough hydraulic oil in the hydraulic system.	Compare the oil fill level to the oil fill line on the hydraulic reservoir with the table in the down position.	Add oil as required to the oil fill line.
The table does not raise with the rotary pump (the motor operates but the table does not raise).	Cylinder down lever	The cylinder down lever is stuck in the open position.	Examine the cylinder down lever to make sure it returns home with neither down pedal being depressed.	Examine the cylinder down lever for component interference and release the cylinder down lever from the open position.
	Cylinder down lever	The cylinder down lever is stuck in the open position.	Examine the dock push rod setting to make sure it is not pushing on the cylinder down lever when both down pedals are not depressed.	Adjust the push rod until the gap between the down link bar and the cylinder down lever is 1/16 to 1/8 inch.
	Rotary pump coupler	The dock motor coupler and rotary pump coupler are misaligned.	Make sure the switch inside of the dock is operating and installed correctly.	Do the dock and table alignment procedure.
	Rotary pump coupler	The dock motor coupler and/or the rotary pump coupler are worn.	Visually examine each coupler for signs of significant wear.	Replace either coupler as required.
	Hydraulic system	There is not enough hydraulic oil in the hydraulic system.	Compare the oil fill level to the oil fill line on the hydraulic reservoir with the table in the down position.	Add oil as required to the oil fill line.

Table 4. Long drive motor failures
Symptom	Failure point	Possible cause	Troubleshooting	Resolution
The cradle does not move.	Cable connection	The table is not electrically docked.	N/A	Electrically dock the table.
		Cable(s) are disconnected.	Examine the following cables and make sure that they are all connected: Motor power cable (if the motor does not spin at all) Motor encoder cable (if the motor does not spin at all) Electromagnetic clutch cable (if the motor will spin but the cradle does not move)	Connect any cables that are disconnected.
		There is debris in a cable connection.	Check all connections of the following cables to make sure there is no debris or other contamination present: Cables at the I/O panel on top of the ISC cabinet Dock connectors	Remove any debris or contamination from cable connectors.
The cradle only moves approximately 100 mm.	Secondary latch	The secondary latch adjustment is not within specifications.	N/A	Adjust the secondary latch.
The cradle only moves approximately 100 mm.	Secondary latch	The secondary latch has failed.	N/A	Replace the secondary latch.
The cradle only moves approximately 2 mm.	Primary latch	The primary latch adjustment is not within specifications.	N/A	Adjust the primary latch.
		The primary latch has failed.	N/A	Replace the primary latch.
		The tuning file is incorrect.	N/A	Confirm the software revision.
The cradle is stuck at approximately the 2000-2380 mm position.	Table and bridge alignment	The cradle is making contact with the tabletop or bridge.	N/A	Examine and re-align the tabletop and bridge.
	Table and bridge alignment	The rigibelt connection block is hitting the tabletop or bridge cover plate.	N/A	Examine and re-align the tabletop and bridge.
The long drive motor is spinning but the cradle does not move and only the lower half of the electromagnetic clutch is rotating.	Electromagnetic clutch power	The electromagnetic clutch has no 22.5V power when the table is electrically docked.	Check the following components: electromagnetic clutch cable DCPS	Restore power to the electromagnetic clutch.
	Electromagnetic clutch	The electromagnetic clutch has 22.5V power but the clutch is not engaged and the cradle does not move when the table is electrically docked.	N/A	Replace the electromagnetic clutch.
	Electromagnetic clutch	The electromagnetic clutch is engaged but slipping is observed and the cradle does not move. Alignment is not within specification.	N/A	Replace the electromagnetic clutch.
The lower half of the electromagnetic clutch does not rotate.	Drive belt	The motor spins but the drive belt is broken.	N/A	Replace the drive belt.
	Drive belt	The motor spins but the drive belt is loose.	N/A	Tighten the belt to 93.5-106 N with the sonic tool or 3 mm per the pen tool.
	Motor	If the motor does not spin at all and all cable connections are clean, the motor has failed.	N/A	Replace the motor.
The cradle only moves approximately 20 mm when a cradle movement button is pushed.	String encoder	The encoder string is broken.	N/A	Replace the encoder.
	String encoder	The string encoder has failed.	N/A	Replace the encoder.
	Encoder string mounting	The screw that holds the encoder string to the interface block is broken.	Manually move the cradle fully into the bore. Examine for the encoder string between the table and the bridge.	Replace the screw and interface block and attach the encoder string to the interface block.
The cradle cannot be pushed or pulled in or out of the bore manually when the table is only mechanically docked and not electrically docked.	Rigibelt	The rigibelt drive has failed.	N/A	Replace the rigibelt drive.

Table 5. Long drive noise
Symptom	Failure point	Possible cause	Troubleshooting	Resolution
Cradle movement makes noise.	Table/bridge	The table or bridge is misaligned.	N/A	Check and re-align the tabletop and bridge.
	Object interference	There is an unexpected object on the tabletop or bridge surface.	N/A	Remove any objects from the tabletop and/or bridge surface.
	Cradle wheel	The cradle wheel(s) are worn out or otherwise failed.	N/A	Replace any worn or failed wheel(s).
	Long drive belt	The drive belt tension is too high.	N/A	Adjust the drive belt tension or replace the drive belt if required.
	Rigibelt	The rigibelt is jumping teeth.	N/A	Replace the rigibelt drive.
	Gearbox	The gearbox failed.	N/A	Replace the motor and gearbox assembly.
	Primary latch	The primary latch is making contact with the bottom of the cradle.	Check the primary latch.	Adjust the primary latch. Replace the latch if required.
	Secondary latch	The secondary latch is making contact with the bottom of the cradle.	Check the secondary latch.	Adjust the secondary latch. Replace the latch if required.
	Cradle flap	The cradle flap is scrubbing with the tabletop or the tabletop rear cover.	N/A	Replace the cradle flap.
	String roller	The encoder string roller has friction with the surfaces that hold the roller shaft.	N/A	Add grease between the encoder string roller and the surfaces that hold the roller shaft.

Table 6. Table docking
Symptom	Failure point	Possible cause	Troubleshooting	Resolution
The table does not mechanically dock.	Dock hook	The dock hook tension is too high.	Check if the dock hook attempts to engage but cannot rotate over center.	Do the dock hook tension adjustment.
		The dock hook has low to no tension.	Examine the dock hook to make sure it is not broken.	Replace the dock hook if broken.
		The dock hook has low to no tension.	Check if the dock hook attempts to engage but rotates back to the undocked position after failing to engage.	Do the dock hook tension adjustment.
	Dock link screw	The dock link screw is set incorrectly.	Make sure the front of the dock hook weldment barely touches the bumper tube when the table is undocked.	Adjust the dock link screw to within specifications.
	Dock link screw	The bushing is worn at the screw contact point.	N/A	Replace the worn bushing.
	Rotary pump oil catch pan interference	The table is too low relative to the dock, causing the rotary pump oil catch pan to interfere with the dock nose cover.	Examine for interference. Check the alignment of the dock bosses and the table front casting bosses with the table docked.	Do the table alignment procedure to adjust caster height if required.
	Mechanical dock linkage	The mechanical dock linkage is jammed due to pressing the mechanical and electrical dock pedals simultaneously.	Check that the dock hook weldment returns to barely touching the bumper tube when the table is undocked.	Release the jammed linkage by pulling the mechanical linkage forward and/or by pushing the electrical sled backward. Use care to not touch the electrical dock connector pins.
	Enclosure interference	There is interference between the lower base enclosure and dock enclosure.	Make sure there is no interference.	Adjust the mounting of an enclosure to avoid interference.
The table does not electrically dock and the electrical dock pedal requires little to no force to press and the electrical sled does not move forward.	Electrical dock linkage	The electrical dock linkage is broken.	Examine the electrical dock linkage hook. It is located under the front of the table near the rotary pump.	Replace the broken linkage.
	Electrical dock linkage	The electrical dock linkage is stuck.	Examine the electrical linkage to see if it is below the bell crank pin. The linkage is located under the front of the table.	Press the electrical dock pedal down, then press the mechanical dock pedal down. While holding the mechanical dock pedal down, release the electrical dock pedal.
The table does not electrically dock and the electrical dock pedal requires a high amount of force as the electrical sled starts to move forward.	Table alignment	The table electrical sled pins are hitting the dock and are not aligned to the holes on the docking connector.	Check the alignment of the dock bosses to the table front casting bosses with the table docked.	Do the table alignment adjustment procedure.
	Connector return spring	The rocker clamps on either side of the electrical sled slipped early and hit the dock.	Make sure nothing is catching or holding the electrical sled from sliding forward and resolve any interference.	Rotate the rocker clamps back to their retracted position. Replace any broken connector return springs above the sled.
The table does not undock and there is no pedal resistance.	Undock linkage components	With the table mechanically and electrically undocked, the undock pedal fails to activate the undock components.	Make sure the white delrin undock hook block is not broken or missing.	If required, replace the delrin undock hook block.
The table does not undock and there is no pedal resistance.	Undock linkage components		Make sure the flipper interlock is set correctly, allowing the undock linkage to function when the cradle is at the home position.	Adjust the flipper interlock cable per the flipper interlock adjustment procedure.
The table electrically undocks but does not mechanically undock.	Undock linkage components	With the table mechanically and electrically docked, the undock pedal fails to activate the mechanical undock components.	Make sure the white delrin undock hook block is not broken or missing.	If required, replace the delrin undock hook block.
	Cradle position	The cradle is not in the home position.	Make sure the cradle is in the home position.	Press the home button on the magnet or pull the egress handle to move the cradle to the home position.
	Cradle interlock	The interlocks are holding the electrical dock link bar.	Make sure the flipper is not stuck and holding the link bar up. Interference from cables can prevent the flipper from releasing.	Resolve any interference so the flipper can move freely.

Table 7. Port cover
Symptom	Failure point	Possible cause	Troubleshooting	Resolution
The P1/P2/P4 port cover will not open or close.	Object interference	There is an object in the gap between the port cover and the cradle cover.	N/A	Clean the gap between the port cover and the cradle cover.
	Cable	Cables interfere with the brass bar of the port cover.	N/A	Re-route the interfering cables.
	Cradle front/rear cover	The cradle front/rear cover is broken.	N/A	Replace the cradle front/rear cover.
	Port cover	The port cover is broken.	N/A	Replace the port cover.
	Screws	The screws on the port are loose.	N/A	Tighten the port screws.
	Cradle hardtop	The hardtop cover interferes with the port cover.	Make sure the screws on the cradle that limit the movement of the hardtop are installed.	Replace any missing limit screws.

Table 8. Touch-and-Go (TnG)
Symptom	Failure point	Possible cause	Troubleshooting	Resolution
For any Touch-and-Go (TnG) failures, refer to Troubleshooting Touch-and-Go (TnG).