Olympus STM7 Instructions Manual page 97

Problem
2. Control box
a) The illumination turns on and
off spontaneously.
b) The illumination often blows.
c) The brightness cannot be
changed even though the
brightness is changed with the
hand switch, the focus controller
or the power supply unit.
3. Fine/coarse focusing knob (Manual frame only)
a) The Z-axis counter data varies
little by little. (Image is blurred)
4. Hand switch/Focus controller
a) The buttons do not work.
5. Focus controller
a) The AF START/STOP, AF
MODE and AF OB buttons do
not work.
b) Focusing stops before correct
focusing is obtained.
c) The objective collides with the
specimen even though the
lower software limit is set.
d) The action of the fine/coarse
focusing knob is too large or
small.
e) The Z-axis will not move when
the button is pressed.
6. Observation Tube
a) The visual fields of the two
eyes do not meet, causing
eye fatigue.
Cause
Connectors are not connected firmly.
The LED is not as specified.
The LED is not installed.
The LED is blown.
The control box connector is unplugged.
The focusing unit is lowering by its own
weight.
Connection cables are unplugged.
The AF unit is not connected.
The connection cable is unplugged.
The setting position of the lower software
limit is wrong.
The setting position of the lower software
limit is wrong.
The fine/coarse focusing setting is wrong.
The emergency stop switch on the control
box for motorized is pressed.
The interpupillary distance is not adjusted
correctly.
The diopter between the two eyes is not
adjusted correctly.
Remedy
Connect them properly.
Use the specified LED.
Attach a LED.
Replace the LED.
Connect it properly.
Adjust the coarse focusing
knob rotation tension to prevent
spontaneous lowering.
Connect the connectors properly.
The AF START/STOP, AF MODE and
AF OB buttons are invalid unless the
AF unit is connected.
Connect it properly.
Set it correctly again.
Set it correctly again.
Set the Z-axis movement amount to
facilitate operation.
Rotate the emergency stop switch
in the resetting direction (clockwise),
and then rotate the fine/coarse
focusing knob of the focus controller
STM7-MCZ to move the focusing
unit to the safe position. Then, set
the main switch of the control box
for motorized to " " (OFF), and set
the main switch of the control box for
motorized to " " (ON) again.
When the error sound (five short
beeps) is heard, move the focusing
unit by 50 μm or more and set the
main switch of the control box for
motorized to " " (OFF). Then, set the
main switch to " " (ON) to cancel the
error.
Adjust it correctly.
Adjust it correctly.
STM7
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