Toshiba RAS-10JAVP-E, Руководство по обслуживанию

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10-7-2. How to Check Whether the Minus Ion Generator is Good or Not
Does the electrode
output approx. –6kV?
Replace the main P.C. board (MCC891).
No trouble
YES
Primar
y c
hec
k
Operation c
hec
k
Turn off the power breaker once,
and turn on again after 10 seconds.
Does the operation lamp flash?
Turn off the power breaker and
remove CN34 (Micro switch
connector). Short-circuit CN34
pin at PC side, and turn on the
power breaker after 10 seconds.
1) Check operation while short-circuiting CN34 of the power P.C. board.
2) Perform filter operation by the remote controller.
• In this time, check that the remote controller is in status which is shortened by time on
the reactivation preventive timer and all display lamps go on for approx. 1 second
when a signal is received.
If time on the reactivation preventive timer is not shortened,
the high-pressure is not applied to electrode of the filter for approx. 1 hour.
• While the air filter operates, check that the air volume [AUTO] is not displayed.
(Because the power ON/OFF is controlled on the program)
3) Be sure not to touch the electrode with the human body.
Is there conduction of
micro-switch connector under
OFF status of the micro-switch
(Front panel opened)?
Is there conduction of
micro-switch connector under
ON status of the micro-switch
(Front panel closed)?
Does the indoor fan rotate?
Does the plasma lamp (Blue)
or the filter lamp (Red) go on?
Is DC12V applied
between (Red/DC12V) and
(Brown/GND) of CN1 of the
high-pressure unit in the air filter?
Deposited micro-switch
Inoperable micro-switch
To item “Power supply is not turned on”
Replace micro-switch.
Push the switch
ON
Release the switch
OFF
Does the plasma lamp
go off within 2 seconds after
it was ON, and does the
filter lamp (Red) go on?
Integrated
power supply assembly
To item “Only indoor fan does not operate”
To item “How to check whether
the air filter is good or not”
YES
YES
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
YES
YES
NO
( )
• Conduction check of micro-switch
Tester
ON
• How to check output of minus ion
<Caution on High Voltage!!>
1
2
Replace the power P.C. board
(MCC891) or the housing assembly.
High-pressure
unit
Electrode
High-voltage tester
Referring to the right figure, check the
high-voltage output of the minus ion generator unit.
In this time, peel the thermal insulator, and attach
it to the original position after check operation.
(NOTE)
Use an exclusive high voltage tester; otherwise
the tester may be broken.
GND