Manual, Tool Changer, QC‑313
Document #9620‑20‑B‑313 Series Base Tool Changer‑06
Pinnacle Park • 1031 Goodworth Drive • Apex, NC 27539 • Tel: 919.772.0115 • Fax: 919.772.8259 •
B-22
5. Troubleshooting and Service Procedures
The following section provides troubleshooting and service information to help diagnose conditions and repair the Tool Changer
or control/signal module.
WARNING:
Do not perform maintenance or repair(s) on the Tool Changer or modules unless
the Tool is safely supported or placed in the tool stand, all energized circuits (e.g. electrical,
air, water, etc.) are turned off, pressurized connections are purged and power is discharged
from circuits in accordance with the customer specific safety practices and policies. Injury
or equipment damage can occur with the Tool not placed and energized circuits on. Place
the Tool in the tool stand, turn off and discharge all energized circuits, purge all pressurized
connections, and verify all circuits are de-energized before performing maintenance or
repair(s) on the Tool Changer or modules.
5.1 Troubleshooting Procedures
The troubleshooting table is provided to assist in diagnosing issues with the Tool Changer not functioning properly.
Table 5.1—Troubleshooting
Symptom
Cause
Resolution
Tool Changer will
not lock and/or
unlock (or Lock
sensor does not
indicate Tool
Changer is Locked)
Insufficient or no air pressure supply
to the lock or unlock ports.
Verify proper air pressure and pneumatic valve is supplied. Refer to
Section 2.7—Pneumatic Connections.
Air pressure trapped in de-energized
Lock or Unlock ports.
Air pressure must be vented to the atmosphere properly, refer to
Section 2.7—Pneumatic Connections
or refer to the troubleshooting
section of the air/valve adapter manual for more information.
Pneumatic connections loose or
damaged, solenoid cable damaged.
Refer to the air/valve adapter manual for more information.
Debris caught between the Master
and Tool plates.
Clean debris from between Master and Tool plates. Verify mounting
fasteners is secure and does not protrude above the mating surfaces.
The ball bearings and/or cam are not
moving freely in the male coupling.
Clean and lubricate as needed to restore smooth operation (see
Section 4.2—Cleaning and Lubrication of the Locking Mechanism and
Alignment Pins
The Master plate and Tool plate are
not within the specified No‑Touch
zone when attempting to lock.
Check that the Tool is properly seated in the tool stand. Refer to
Section 3.5—Tool Storage Considerations.
Re-teach the robot to bring the Master plate and Tool plate closer
together prior to attempting to lock.
The control/signal module or air/valve
adapter is not operating correctly.
Check the troubleshooting section of the manual for the specific module.
Unit is locked but
Lock signal does
not read “on”.
Lock sensor/cable is damaged.
Replace the lock sensor assembly as necessary. Refer to
Section 5.2.1—Lock and Unlock Sensor Replacement Procedures.
Unit is unlocked but
Unlock signal does
not read “on”
Unlock sensor/cable is damaged.
Replace the unlock sensor assembly as necessary. Refer to
Section 5.2.1—Lock and Unlock Sensor Replacement Procedures.
Read-To-Lock
(RTL) does not read
“on” when Master
and Tool plates are
mated.
Ready-To-Lock (RTL) sensors
not activated indicating Tool is not
positioned properly.
Re-teach the robot to bring the Master plate and Tool plate closer
together prior to attempting to lock. Refer to
Check that both RTL sensors and cables are not damaged and sensor
connection to the control/signal module or air adapter are tight. Replace
damaged RTL sensors as necessary. Refer to
or
Section 5.2.2—RTL Sensor Replacement Procedure.
Units Equipped with Electrical/Servo/Control/Signal Modules
Loss of
Communication
Debris in and around contact pins.
Contact Pin worn or damaged.
Inspect V-ring seal for damage, replace damaged seal. Refer to
Section 4.3—Pin Block Inspection and Cleaning
Cable connections loose or cables
damaged
Check that cable connection are secure and cables are not damaged.