3. Electrical
Symptoms
Causes
• No electricity.
• Lamphouse cable not connected to power
Lamp does not
supply unit.
light though power
switch is turned on.
• Lamp not mounted.
• Lamp blown.
• Specified lamp not used.
Lamp blows easily.
Insufficient
• Specified lamp not used.
brightness.
Lamp intensity
• Lamp intensity control dial on power supply
control dial on
unit not rotated to "CTRL".
microscope base
• Ex-control cable not connected to power supply
doesn't function.
unit.
• Lamp is about to blow.
Lamp flickering or
• Cables not firmly plugged into connectors.
unstable lamp
intensity.
• Lamp not inserted into socket firmly.
Actions
Connect power cable to
AC IN line receptacle.
Connect it to the power
supply unit.
{P. 8)
Mount one. (P. 5, 6)
Replace the lamp.
(P. 5, 6)
Use specifield lamp.
(See 'Electrical
Specifications' on page
72).
Use specified lamp. (See
'Electrical Specifications'
on page 72).
Rotate dial to "CTRL".
(P. 15)
Connect it. (P. 8)
Replace lamp. (P. 5, 6)
Plug them firmly into
connectors.
Insert lamp into socket
to the limit. (P. 5, 6)
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