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11-2-5. Compressor Does Not Operate
<Precheck>
(1) Is room temperature control on the control panel higher than room temperature in the cool mode?
(2) Is the MODE selector knob on the control panel left set to “FAN ONLY”?
<Checking Procedures>
Does power relay RY07 change over?
Chack the voltafge of
connector CN02 1 - GND.
Is AC220/230/240V present across 1 - 2 of
power relay RY07.
Points to which multimeter
probes are applied
Polarity
( + )
Q02"E"
RY07 ON
Polarity
( )
Condition
Normal voltage
value
DC11V
DC Voltage between CN02
and GND
10 C
20 C
30 C
Does operation lamp come on normally?
Turn power ON.
Does operation lamp on remote controller flash?
Compressor is
faulty.
Replace
compressor.
Power relay
RY07 is faulty.
Replace
power relay.
RY07 5
1.4V
1.4V
1.4V
Room temperature
sensor is faulty.
Replace
power relay.
See "All relays do not work".
See item "No power turns ON".
NO
YES
YES
NO
NO
YES
YES
YES
NO
NO
Operations
Remedies
Check items
Major possible
causes
Item by
symptom
Содержание RAC-08EW-E
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Страница 33: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 01 JAPAN ...