Duplication prohibited
MIR 9000
Environnement
S.A
5–7
JULY 2009
DISPLAY CAUSE
POSSIBLE
ACTIONS
IR Source supply
–
The mains voltage of the IR Source is
outside the limits.
–
Compare the value of Channel 6 of
the multiplexer (“Tests /MUX Signals”
menu) with the value shown on the
control document.
–
Check the J14 and J15 connections.
–
Check the feed +5V.
–
The IR source is faulty
–
Dismount the IR source and check
the filament (red emission). If nec-
essary, change the IR source and
restart the amplification chain.
Peltier current
Peltier check
–
The Peltier current is outside the
limits.
Alarm for I Peltier >1200 mA Control
for I Peltier > 1000 mA.
–
–
Compare the values of Channel 2 of
the multiplexer (“Tests /MUX Signals”
menu) with the value shown on the
control document.
–
Adjust the current to its initial value
with potentiometer P1 on the
motherboard. Re-make a zero
reference.
–
If the adjustment cannot be made:
•
Check that the internal temperature
of the analyzer is not higher than
the correct one.
•
Check the connections of the 2,2
Ω
resistance and of the transistor on
J24.
•
The room temperature is too high
for the Peltier setting.
•
Change the CI LM723 (IC1).
•
The detector is faulty. Change the
detector and re-start the
amplification chain if the signals
are correct in Pt 0.
STP board
–
The stepping motor (NH
3
/ H
2
O
version) does not obey the
commands of the microprocessor.
–
Control the connection of the motors
and of the optical forks.
–
Control the position of the straps on
the motor power boards.
–
Control the optical forks.
–
Dismount the detector assembly and
source assembly to check that the
sequences are made correctly and
specifically correlation wheel pin
search during a reference cycle.
STP command
–
The driving board of the stepping
motors (NH
3
/ H
2
O version) does not
communicate with the
microprocessor.
–
Check the connection of the driving
board (connector J19).
–
Control the position of the straps on
the driving board.
Summary of Contents for Envea MIR 9000
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