Renishaw TSA - 2 Fault Diagnosis

2.0 FAULT DIAGNOSIS.
Possible Faults, Causes and Solutions
Problem: -
(a) Arm moves into ‘Active’ position, but ‘Active’ confirm LED is not lit.
Possible Causes Rectification
a) Opto switch vanes incorrectly set
or damaged
Consult section 4.2
b) Soft limits PCB defective Consult section 3.2
c) Hard limits PCB defective Consult section 3.3
d) Operating voltage <21.6 v (min)
Measure voltage with suitable meter
and correct supply if possible
e) Motor performance deterioration
Return TSA to Renishaw if
renewal/replacement is required
f) Control PCB fault Replace PCB, section 3.4
g) Wiring fault Check all wiring as per TSA
Installation & User’s Guide (H-2000-
5088-05) section 5.
(b) Arm moves into ‘Stow’ position, but ‘Stow’ confirm LED is not lit.
Possible Causes Rectification
a) Opto switch vanes incorrectly set
or broken
Consult section 4.3
b) Hard limits PCB defective Consult section 3.3
c) Control PCB fault Replace PCB, section 3.4
d) Loose mechanics Check all recommended torque values
(c) Arm moves too slow or with excessive judder
Possible Causes Rectification
a) Main bearing seizing up
Return TSA to Renishaw if
renewal/replacement is required
b) Motor defective
Return TSA to Renishaw if
renewal/replacement is required
c) Control PCB fault Replace PCB section 3.4
d) Loose mechanics Check all recommended torque values
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