Fault Finding - Renishaw MP11 Manuel D'installation Et D'utilisation

COMPLETE FAILURE (No change in output)
LED not on
LED on and operating
LED on but inoperative
LED failure
(Output correct)
IF THESE CHECKS DO NOT ELIMINATE THE
FAULT, RETURN PROBE TO YOUR SUPPLIER
POOR REPEATIBILITY
Loose mounting
Loose stylus
Poor electrical
connection
Excessive machine
vibration

FAULT FINDING

Check power supply
connections
Check probe seated
Check if plug is inserted
correctly into socket
Check continuity of cable
Check if plug is inserted
correctly into socket
Check continuity of cable
No check
No check
Check all screwed
connections for tightness
Tighten stylus
Check connectors
Eliminate vibration or
increase spring pressure
SPURIOUS READING
Electrical noise Keep probe cable away
from high power electrical
cables and machines
Check cable screen
continuity
Check for noise on power
supply, suppress if present
Loose connections on cable
Mechanical noise Check and eliminate
excess machine vibration
Increase stylus spring
pressure
POOR RE-ARMING
The probe is armed when the stylus is seated, the
electrical circuit is complete and readings can be taken
Stylus spring pressure
too low
Diaphragms pierced
or damaged
IF THE PROBE CONTINUES TO MALFUNCTION,
RETURN PROBE TO YOUR SUPPLIER.
Increase stylus spring
pressure
Inspect outer diaphragm
If inner diaphragm damaged
return to your supplier for repair
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