MTR 221 ACS - MTR 221 ACS DHHS
MANUALE ISTRUZIONI / INSTRUCTION MANUAL
T
ROUBLESHOOTING
109
Model R 221 ACS - R 221 ACS DHHS
MT
R
2
21
ACS
-
MTR
2
21
AC
S DHH
S - T
roubl
eshoo
ting
LED I
NDICATORS
GC007
LD3
Green
+3.3 V present
In case LD3 is OFF:
•
check if system power supply is OK
•
is still NOK, check if system cable is connected correctly
•
if still NOK, replace GC007 (see chapter
S
UBSTITUTIONS
)
•
if still NOK, replace collimator (see chapter
S
UBSTITUTIONS
)
Number
LED
Color
Function
Fault Indication
Action
LD1
CAN power
supply
Green
ON
•
OK
•
Not applicable
OFF
•
CAN is not connected /
connection lost
•
Check CAN cabling;
perform a power OFF/ON
cycle.
•
Check if JP3 and JP4 are
present.
•
If NOK, replace PCB, see
chapter
S
UBSTITUTIONS
LD2
power supply
Green
ON
•
OK
•
Not applicable
OFF
•
Power supply error
•
Check value of power
supply.
•
Perform a power OFF/ON
cycle.
•
If NOK, replace PCB, see
chapter
S
UBSTITUTIONS
.
LD3
power supply
Green
ON
•
OK
•
Not applicable
OFF
•
Power supply error
•
Perform a power OFF/ON
cycle.
•
If NOK, replace PCB, see
chapter
S
UBSTITUTIONS
.
LED1
LED LIFE
Green
Blinking
at 1 Hz
•
OK, program runs
•
Not applicable
OFF
•
CPU error if LD2 and
LD3 are ON
•
Reset or replace PCB
LED2
LED CAN RX
Green
Short
blinking
speed
•
OK, CAN Bus message
received
•
Not applicable
OFF
•
Waiting for CAN Bus con-
trol
•
Not applicable
LED3
LED MEMORY
Flash memory
communication
Green
Slow blink
speed (1
sec)
•
OK, default data upload
•
Not applicable
Fast
continuous
blinking
•
Memory error
•
Replace PCB
ON
•
Boot loader is working
•
Wait for process
to finish
OFF
•
Collimator is not in Boot
loader state.
•
