RS Technologies Division of PCB Load & Torque, Inc.
Toll-Free in USA 888-684-2894
716-684-0001
www.pcbloadtorque.com
HAND TORQUE-ANGLE WRENCH OPERATION MANUAL
6
8.0 TROUBLESHOOTING
When having difficulty operating the hand torque wrench,
refer to the following checklist.
No output
No power
Loose or dirty connections
Open circuit or short
Faulty or improper wiring
No torque applied
Erratic or Improper Readings
Excitation voltage drift
Electrical noise
Loose fixturing
Open circuit or short
Improper load applied
Cable too long
Blinking Display
Overload condition
Open circuit
Zero Balance
Load applied to wrench
Overloaded or side-loaded wrench
Open circuit
Improper electrical connections
Zero Shift
Fixture preload
Faulty or improper wiring
Improper zero taken
Figure 3—Hold the handle of wrench perpendicular to the centerline
or shank of the fastener.
Figure 4—Support the head of wrench using one hand and prepare
to pull with the other.
Figure 5—For best results, pull on the handle of the wrench with a
smooth steady pull. Stop pulling the wrench handle either when the
desired torque specification is reached or when the fastener breaks
loose and the head of the fastener begins to rotate.
Figure 6—Do not jerk the handle abruptly or you may get
inaccurate and inconsistent readings.
