Error Mode Detected By Remote Controller Or Central Controller - Toshiba RAV-SM562KRT-E Service Manual

Others (Excluding check code)
Lamp indication
OPERATION TIMER PREPARING
Simultaneous blinking
OPERATION TIMER PREPARING
Alternate blinking

Error mode detected by remote controller or central controller

Check code Possible causes
No No communication with
indication header indoor unit
(remote Remote controller is not
controller connected correctly.
disabled) Indoor unit is not powered
on.
Auto address setting is not
completed.
E01 No communication with
*2 header indoor unit
Disconnection between
remote controller and header
indoor unit (detected by R/C)
E02 Signal transmission error
to indoor unit (detected by
R/C)
E09 Multiple remote controller
headers (detected by R/C)
L20 Duplication of indoor unit
collective address during
communication of central
Central
control system
controller
(detected by indoor unit/
L20
central controller)
– Failure of central control
*3 communication circuit
(detected by central
Central
controller)
controller
(T ransmission)
C05
(Reception)
C06
–
Failure of indoor unit group
follower unit.
Central
controller
P30/b7
*2 No check code can be indicated by wired remote controller. (Normal operation of air conditioner cannot be controlled by wired remote controller.)
Check codes are indicated by the lamps for wireless models.
*3 This is an error related to communication of remote controller (A, B) or central control system (TCC-LINK U3, U4).
Remote controller indicates E01, E02, E03, E09, E18 or no code according to situation.
Check code
– Trial operation in progress
– Invalid setting
(Auto cooling/heating setting for auto cooling/heating
unavailable unit or heating setting for cool only unit)
Diagnosis function
Air conditioner status
OFF
OFF (auto reset)
*Operation
continues under
central control
OFF (auto reset)
*Operation
continues under
central control
OFF (Follower R/C
continues
operation)
OFF (auto reset)
Operation
continues (following
R/C)
Continue/OFF
(depending on
situation)
–
Possible causes
Conditions
–
Indicated when an
error is detected
Indicated when an
error is detected
Indicated when an
error is detected
Indicated when an
error is detected
Indicated when an
error is detected
Indicated when an
error is detected
–
30
Judgment and action
Failure of remote controller power
supply or indoor unit EEPROM
1. Check remote controller wires.
2. Check remote controller.
3. Check indoor unit power wiring.
4. Check indoor unit P. C. board.
5. Check indoor unit EEPROM and
insertion into socket.
... Auto address repetition occurs.
Remote controller signal reception error
1. Check remote controller wires.
2. Check remote controller.
3. Check indoor unit power wiring.
4. Check indoor unit P. C. board.
Remote controller transmission error
1. Check remote controller transmitter.
... Replace remote controller.
1. Check for multiple remote
controller headers.
... One header only, others are
follower R/C.
1. Check central control network
address setting.
1. Check communication line,
wrong connection, and indoor
unit power supply.
2. Check communication circuit
(U3, U4, XY terminals).
3. Check central controller
(including central control R/C).
4. Check terminating resistors
(TCC-LINK).
Check the unit's check code with
remote controller