Hitachi H 60MEY Service Manual page 3

Problem
• Improperly
connected
connector cable of
the Panel Ass'y
<72> PCB
• Internal wires
loosely plugged
into the Controller
Ass'y <67> and
Filter PCB Ass'y
No LED of the
<78>
display lamp is
ON.
• Broken Controller
Ass'y <67>
• Broken LED
• Broken Filter PCB
Ass'y <78>
• Internal wires
loosely connected
to the Switch <84>
The LEDs of the
display lamp light,
• Broken Controller
but the motor
Ass'y <67>
does not run.
• Broken Switch
<84>
Cause
• Check the plug-in state of the
connector cable.
(See "Reassembly of the
power supply unit" on page
12.)
• Check the plug-in state of the
internal wires.
(See "Reassembly of the
power supply unit" on page
12.)
• When the Controller Ass'y
<67> connector is not
defective
• When the internal wire is not
defective
• When the connector cable is
not defective
• When the internal wire is not
defective
• Check the plug-in state of
internal wires to the Switch
<84>. (See "Reassembly of
the power supply unit" on
page 12.)
• When internal wires of the
Controller Ass'y <67> are not
defective
• When internal wires of the
Controller Ass'y <67> are not
defective
Check
-2-
Corrective action
• Firmly plug in the
connector cable.
• Firmly plug the internal
wires into the Controller
Ass'y <67> and Filter
PCB Ass'y <78>.
• Replace the Controller
Ass'y <67> with a new
one.
• Replace the Panel Ass'y
<72> with a new one.
• Replace the Filter PCB
Ass'y <78> with a new
one.
• Firmly connect all internal
wires to the Switch <84>.
• Replace the Controller
Ass'y <67> with a new
one.
• Replace the Switch <84>
with a new one.