Thermo Scientific STP-120, Руководство по обслуживанию

Страница: 11 / 42

STP 120 Tissue Processor - Service Manual
Page 11
Measure the voltage
on resistance circuit
board CON6 TRF
OUT
Is
t
her
e
v
ol
tag
e?
YES
Check whether there is a voltage of 12 V on terminals 17 and 19 of
the BASCAR V15 circuit board (refer to page 10 and the wiring
diagram on page 37)
NO Disconnect the power supply cable and replace resistance circuit
board 1.
Connect the unit to the mains power supply and make sure that it
functions correctly.
Make sure there is a
voltage of 12 V
between terminals 17
and 19 of the
BASCAR V15 circuit
board
Is
t
her
e
v
ol
tag
e?
YES
Disconnect the unit from the mains power supply.
Check fuse F1 on the BASCAR V15 circuit board (refer to page 10
and the wiring diagram on page 37)
NO Disconnect the unit from the mains power supply and replace the
ring transformer.
Connect the unit to the mains power supply and make sure that it
functions correctly.
Check fuse F1 on the
BASCAR V15 circuit
board
B
lo
w
n
?
YES Disconnect the unit from the power supply and replace fuse F1 on
the BASCAR V15 circuit board (access to this fuse requires
dismantling the MICCAR V30 circuit board).
Connect the unit to the mains power supply and make sure that it
functions correctly.
NO Disconnect the unit from the power supply and replace the BASCAR
V15 circuit board (access to this circuit board requires dismantling
the MICCAR V15 circuit board).
Connect the unit to the mains power supply and make sure that it
functions correctly.
Check correct
operation
D
oes
i
t w
or
k
?
YES
Disconnect the unit from the mains power supply.
Replace the lower cover.
Place the unit in normal operating position.
End of the procedure
NO
Disconnect the unit from the mains power supply and replace the
MICCAR V15 circuit board.
Connect the unit to the mains power supply and make sure that it
functions correctly.
Check correct
operation
D
oes
i
t w
or
k
?
YES Disconnect the unit from the mains power supply.
Replace the lower cover.
Place the unit in normal operating position.
End of the procedure
NO
Disconnect the unit from the mains power supply and replace the
front keyboard and flat strips.
Check correct
operation
D
oes
i
t w
or
k
?
YES Disconnect the unit from the mains power supply.
Replace the lower cover.
Place the unit in normal operating position.
End of the procedure
NO
Go back to the beginning of the procedure and repeat all the steps.