MTR 221 ACS - MTR 221 ACS DHHS
MANUALE ISTRUZIONI / INSTRUCTION MANUAL
S
UBSTITUTIONS
116
Model R 221 ACS - R 221 ACS DHHS
MT
R
2
21
ACS
-
MTR
2
21
AC
S DHH
S - Substitutions
S
UBSTITUTION
OF
THE
E
LECTRONIC
B
OARD
GC 007
• Disconnect Supply.
• Remove the cover to access the
component, see Chapter
- C
OVER
R
EMOVAL
.
• Remove the GC LED 4A and CAN
Step 4 boards by unscrewing the
screws
F
and
G.
Do not detach
the connectors of the boards. See
Fig. Electronic Board GC 007.
• Identify the cables and their posi-
tion on the board, see Chapter
I
NSTALLATION
.
• Disconnect the cables from the
electronic board GC007.
• Install the new board and proceed
a reverse order; pay particular
attention to the connection of the
cables.
• Power up the collimator and make sure that LD1 and LD2 are ON, whereas LED 1 is blink-
ing.
Fig. Connector Removal
Fig. Extension Cable Connection
Fig. Electronic Board GC 007
