Toshiba RAV-SM563UT-E Service Manual/Integration page 84

Wireless sensor
Wired remote controller
lamp display
Operation Timer Ready Check code
No check code is displayed.
— — — (Remote controller does
not operate.)
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E01*2
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E02
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E09
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L20
*2 Check code is not displayed by wired remote controller. (Usual operation of air conditioner is disabled.)
For wireless type models, E01 is notified by the display lamp.
Wireless sensor
Wired remote controller
lamp display
Operation Timer Ready Check code
— — — C05
— — — C06
— — — P30
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Error mode detected by remote controller
Diagnostic function
Cause of operation
No communication with master indoor unit
• Remote controller cable is not correctly
connected.
• Power of indoor unit is not turned on.
• Automatic address cannot be completed.
No communication with indoor master unit
• Disconnection of inter-unit cable between remote
controller and master indoor unit
(Detected at remote controller side)
Signal sending error to indoor unit
(Detected at remote controller side)
Multiple master remote controllers are recognized.
(Detected at remote controller side)
Duplicated indoor central addresses on
communication of central control system
(Detected by central controller side)
Error mode detected by central remote controller
Diagnostic function
Cause of operation
Sending error central remote controller
Receiving error in central remote controller
Differs according to error contents of unit with
occurrence of alarm.
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Status of
Condition
air conditioner
Stop — Remote controller power error, Defective indoor EEPROM
1. Check remote controller inter-unit cables.
2. Check remote controller.
3. Check indoor power cables.
4. Check indoor P .C. board.
5. Check indoor EEPROM. (including socket insertion)
Stop Displayed when Signal receiving of remote controller is defective.
(Automatic restart) error is detected
1. Check remote controller inter-unit cables.
2. Check remote controller.
* When there is center,
3. Check indoor power cables.
operation continues
4. Check indoor P .C. board.
Stop Displayed when Signal sending of remote controller is defective.
(Automatic restart) error is detected 1. Check sending circuit inside of remote controller.
* When there is center,
operation continues.
1. Check there are multiple master units for 2 remote controllers
Stop Displayed when
(Sub unit continues operation.) error is detected
Stop Displayed when 1. Check address setup of central control system network. (DN = 03)
(Automatic restart) error is detected
Status of
Condition
air conditioner
Operation continues Displayed when 1. Check communication line/miscabling/ Check power of indoor unit.
error is detected
2. Check communication. (U3, U4 terminals)
3. Check network adapter P .C. board.
4. Check central controller
Operation continues Displayed when
error is detected
5. Terminal resistance check (connection interface SW01)
Continuation/Stop Displayed when Check the check code of corresponding unit by remote controller
(Based on a case) error is detected
¥ ¡
: Flash, : Go on,
Judgment and measures
: Phenomenon of automatic address repetition occurred.
: Replace remote controller.
(including wireless).
: Master unit is one and others are sub units.
¥ ¡
: Flash, : Go on,
Judgment and measures
(such as central control remote controller, etc.).
Fax: 01823 665807
l
: Go off
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: Go off