MTR302/A - R302F/A - R302L/A DHHS
MANUALE ISTRUZIONI / INSTRUCTION MANUAL
Modello/Model R302/A
Troubleshooting
1
R30
2/A
- T
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Ralco
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TROUBLESHOOTING
A faulty Collimator must not be used until it is repaired and checked.
The use of a faulty collimator might impair the safety of the operator and patient.
Before returning the collimator to Ralco for repair, please make sure that the fault is not caused
by one of the problems listed below. If the indications provided fail to solve your fault,
please
make sure that you obtain a Return number (RMA) from Ralco for the collimator
.
Light Source
Centering
Field Size
Shutters
Problem
Cause
Solution
The light source fails to
switch ON
Collimator supplied
incorrectly
Check: supply/tension/current/
polarity/fuses
Faulty light source
• Check item
• Replace if necessary
See
S
UBSTITUTIONS
Faulty timer
• Check timer supply
• Substitute if necessary
See
S
UBSTITUTIONS
Faulty ON/OFF
pushbutton
• Check contact
• Sustitute if necessary
Light source fails to
switch OFF
Faulty timer
Substitute timer
Pushbutton is
shorted
Substitute pusbutton
Problem
Cause
Solution
The collimator is not
centred
The mirror or light
source are not
positioned correctly
See
Light Field to X-ray Field
Alignment
- Chapter -
C
OLLIMATOR
C
ALIBRATION
Problem
Cause
Solution
Faulty field size
indication
Knobs are not
regulated
Regulate - See Chapter -
ADJUSTMENTS
Problem
Cause
Solution
Shutters close
Friction is loose
Regulate - See Chapter-
ADJUSTMENTS
Faulty electronics -
for collimators with
this feature
Check the manual relating to the
electronics