Toshiba RAV-SM560BT-E - Manual (Page 109)

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109
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(a) Outline of Judgment
A primary judgment to detect cause of error exists on the indoor unit or outdoor unit is performed in the
following procedure.
<Judgment by flashing display on the indoor unit display part>
The indoor unit monitors operating status of the air conditioner, and if a protective circuit works, contents of
the self-diagnosis are displayed with a block restricted to the following cases on the indoor unit display part.
(b) Self-diagnosis by check code on the remote controller
Refer to
“
Judgment of error mode by check code on the remote controller
”
.
<Wireless remote controller type>
1. Before troubleshooting
1) Required tools/instruments
• + and – screwdrivers, spanners, radio cutting pliers, nippers, etc.
• Tester, thermometer, pressure gauge, etc.
2) Confirmation points before check

The following operations are normal.
a) Compressor does not operate.
• Is not 3-minutes delay (3 minutes after compressor OFF)?
• Does not thermostat turn off?
•
Does not timer operate during fan operation?
• Is not outside high-temperature operation controlled in heating operation?
b) Indoor fan does not rotate.
• Does not cool air discharge preventive control work in heating operation?
c) Outdoor fan does not rotate or air volume changes.
•
Does not high-temperature release operation control work in heating operation?
• Does not outside low-temperature operation control work in cooling operation?
• Is not defrost operation performed?
d) ON/OFF operation cannot be performed from remote controller.
•
Is not forced operation performed?
• Is not the control operation performed from outside/remote side?
‚
Did you return the cabling to the initial positions?
ƒ
Are connecting cables between indoor unit and receiving unit correct?
Remote
controller code
—
00
01
02
03
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Block display
Operation lamp display flashes. (1Hz)
Operation lamp display flashes. (5Hz)
Operation/timer lamp displays flash. (5Hz)
Operation/defrost lamp displays flash. (5Hz)
Operation/timer/defrost lamp displays flash. (5Hz)
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Contents of self-diagnosis
Power failure (In power ON)
Indoor P.C. board
Inter-unit cables/transmission system
Outdoor P.C. board
Cycle system, etc.
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Check code
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0b to 0F, 11, 12, b5, b6
04
14 to 19, 1A, 1C
1d, 1E, 1F, 21
1b, 8b