Ralco R 221 ACS DHHS Series, Инструкция по эксплуатации

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MTR 221 ACS - MTR 221 ACS DHHS
MANUALE ISTRUZIONI / INSTRUCTION MANUAL
T
ROUBLESHOOTING
108
Model R 221 ACS - R 221 ACS DHHS
MT
R
2
21
ACS
-
MTR
2
21
AC
S DHH
S - T
roubl
eshoo
ting
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 , see
Chapter - G
ENERAL
, paragraph Repairs .
G
ENERAL
F
AULT
F
INDING
I
NDICATORS
GC007
Function Fault Description Fault finding and solutions
Light
Faulty light source
• Check if power supply is OK (see chapter S
PECIFICATION
)
• Check if LED power supply is + 3 V
• If still NOK, replace LED (see chapter S
UBSTITUTIONS
)
Faulty timer
• Check if power supply is OK (see chapter S
PECIFICATION
)
• Check if timer board is supplied
• Check if fan operates when pressing the push button on the front panel
• Check if green diode place on the timer is ON when pressing the push button
on the front panel.
• If NOK, replace the timer board (see chapter S
UBSTITUTIONS
)
Area defined by Light
Field not (completely) on
film
• Check if source flange distance is correct (see chapter I
NSTALLATION
)
• Check if mirror or light source are positioned correctly (see chapter C
ALIBRA
-
TION
)
• If still NOK, exchange the collimator.
Faulty ON/OFF push-
button
• Check contact
• If NOK, replace the front panel
Function Fault Description Fault finding and solutions
Shutters
Shutters do not hold
position.
• Check if potentiometer are correctly calibrated (see chapter R
EPLACEMENTS
)
• If still NOK, replace.
Shutters fail to move • Check motor cabling
• If still NOK, replace motor
Shutter close • Check motor cabling
• If still NOK, replace motor
Number Color Description Fault finding and solutions
LD1 Green + V CAN present In case LD1 is OFF:
• check if system CAN power supply is OK
• is still NOK, check if system cables are connected correctly
• if still NOK, replace GC007 (see chapter S
UBSTITUTIONS
)
• if still NOK, replace collimator (see chapter S
UBSTITUTIONS
)
LD2 Green +5 V present In case LD2 is OFF:
• check if +24 V is present; LD1 should be ON
• if still NOK, replace GC007 (see chapter S
UBSTITUTIONS
)
• if still NOK, replace collimator (see chapter S
UBSTITUTIONS
)