Toshiba RAV-SM562BT-E Service Manual/Integration page 83

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