Toshiba RAV-SP1100UT-E Service Manual page 46

Wireless sensor Wired remote
lamp display controller
Operation Timer Ready Check code
No check code No communication with master indoor unit
is displayed. • Remote controller cable is not correctly
(Remote connected.
— — — controller does • Power of indoor unit is not turned on.
not operate.) • Automatic address cannot be completed.
No communication with indoor master unit
E01*2
• Disconnection of inter-unit cable between
◎ ● ● remote controller and master indoor unit
(Detected at remote controller side)
E02 Signal sending error to indoor unit
(Detected at remote controller side)
◎ ● ●
E09
Multiple master remote controllers are recognized.
◎ ● ● (Detected at remote controller side)
L20 Duplicated indoor central addresses on
communication of central control system (AI-NET)
Central remote
◎ ○ ◎
(Detected by central controller side)
controller
98
— Multiple network adapters on remote controller
*3 communication line
— — — (Detected by central controller side)
Central remote
controller
99
— Interruption of central control system (AI-NET)
*3 communication circuit
— — — (Detected by central controller side)
Central remote
controller
97
— Indoor Gr sub unit error
(Detected by central controller side)
Central remote
— — —
controller
b7
*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.
*3 These errors are related to communication of remote controllers (A, B) and central system (AI-NET, X, Y), and [E01], [E02], [E03], [E09], or [E18] is displayed or no check code is displayed on the
remote controller according to the error contents.
Error mode detected by remote controller or network adapter
Diagnostic function
Cause of operation Status of air conditioner
Stop
Stop
(Automatic restart)
* When there is center, operation
continues.
Stop
(Automatic restart)
* When there is center, operation
continues.
Stop
(Sub unit continues operation.)
Stop
(Automatic restart)
Operation continues.
Operation continues.
(According to handy remote controller)
Continuation/stop
(Based on a case)
Judgment and measures
Condition
— 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.
Displayed when Signal receiving of remote controller is defective.
error is detected 1. Check remote controller inter-unit cables.
2. Check remote controller.
3. Check indoor power cables.
4. Check indoor P .C. board.
Displayed when Signal sending of remote controller is defective.
error is detected 1. Check sending circuit inside of remote controller.
: Replace remote controller.
Displayed when 1. Check there are multiple master units for 2 remote controllers
error is detected (including wireless).
: Master unit is one and others are sub units.
Displayed when 1. Check address setup of central control system network.
error is detected (Network adapter SW01)
2. Check network adapter P .C. board.
Displayed when 1. Check multiple network adapters.
error is detected 2. Check inter-unit cable/miscabling of remote controller.
: Only one network adapter on remote controller communication line
Displayed when 1. Check communication line/miscabling. Check power of indoor unit.
error is detected 2. Check communication. (XY terminals)
3. Check network adapter P .C. board.
4. Check central controller (such as central control remote controller, etc.).
Displayed when Check the check code of corresponding unit by handy remote controller.
error is detected
◎ : Flash, 〇 : Go on, ● : Go off