Manual, Tool Changer, QC‑50
Document #9620‑20‑B‑50 Tool Changer‑04
Pinnacle Park • 1031 Goodworth Drive • Apex, NC 27539 • Tel: 919.772.0115 • Fax: 919.772.8259 •
B-24
5. Troubleshooting and Service Procedures
The following section provides troubleshooting and service information to help diagnose conditions and repair the
Tool Changer
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 that may cause the Tool Changer to malfunction.
Table 5.1—Troubleshooting
Symptom
Cause
Resolution
Tool Changer
cannot lock and/
or unlock (or
Lock sensor
does not indicate
Tool Changer is
locked).
Debris caught between the
Master and Tool plates.
Clean debris from between Master and Tool plates. Verify
mounting fasteners are secure and do not protrude above the
mating surfaces.
Insufficient or no air pressure
supply to the lock or unlock ports.
Verify proper air pressure and pneumatic valve is supplied.
Refer to
Section 2.11—Pneumatic Connections and Valve
Air pressure trapped in
de-energized Lock or Unlock
ports.
Air pressure must be vented to the atmosphere properly, refer to
Section 2.11—Pneumatic Connections and Valve Requirements
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.
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
.
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
within the specified No‑Touch zone prior to attempting to lock.
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.
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.
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.
