-2-
Problem
Cause
Check
Corrective action
No LED of the
display lamp is
ON.
• Improperly
connected
connector cable of
the Panel
[98]{95}
PCB
• Check the plug-in state of the
connector cable.
(See “Reassembly of the
power supply unit” on page
11.)
• Firmly plug in the
connector cable.
• Internal wires
loosely plugged
into the Controller
[53]{50}
and Filter
PCB Set
[62]{59}
• Check the plug-in state of the
internal wires.
(See “Reassembly of the
power supply unit” on page
11.)
• Firmly plug the internal
wires into the Controller
[53]{50}
and Filter PCB
Set
[62]{59}
.
• Broken Controller
[53]{50}
• When the Controller
[53]{50}
connector is not defective
• When the internal wire is not
defective
• Replace the Controller
[53]{50}
with a new one.
• Broken LED
• When the connector cable is
not defective
• Replace the Panel
[98]{95}
with a new one.
• Broken Filter PCB
Set
[62]{59}
• When the internal wire is not
defective
• Replace the Filter PCB
Set
[62]{59}
with a new
one.
The LEDs of the
display lamp light,
but the motor
does not run.
• Internal wires
loosely connected
to the Switch
[69]{66}
• Check the plug-in state of
internal wires to the Switch
[69]{66}
. (See “Reassembly
of the power supply unit” on
page 11.)
• Firmly connect all internal
wires to the Switch
[69]{66}
.
• Broken Controller
[53]{50}
• When internal wires of the
Controller
[53]{50}
are not
defective
• Replace the Controller
[53]{50}
with a new one.
• Broken Switch
[69]{66}
• When internal wires of the
Controller
[53]{50}
are not
defective
• Replace the Switch
[69]{66}
with a new one.