Error Mode Detected By Indoor Unit - Toshiba RAV-SP454ATP-E Service Manual

Error mode detected by indoor unit

Check
Cause of operation
code
No communication from remote
E03 controller (including wireless) and
communication adapter
The serial signal is not output from
outdoor unit to indoor unit.
Miswiring of inter-unit wire
E04
Defective serial sending circuit on
outdoor P .C. board
Defective serial receiving circuit on
indoor P .C. board
E08 Duplicated indoor unit address
L03 Duplicated indoor master unit
There is group wire in individual indoor
L07
unit.
L08 Unset indoor group address
L09
Unset indoor capacity
L30 Abnormal input of outside interlock
Float switch operation
P10
Float circuit, Disconnection,
Coming-off, Float switch contact error
P12 Indoor DC fan error
4-way valve system error
P19
After heating operation has started,
indoor heat exchangers temp. is
down.
Own unit stops while warning is output
P31
to other indoor units.
Coming-off, disconnection or short of
F01 indoor heat exchanger temp. sensor
(TCJ)
Coming-off, disconnection or short of
F02
indoor heat exchanger temp. sensor
(TC)
Coming-off, disconnection or short of
F10
indoor heat exchanger temp. sensor
(TA)
Indoor EEPROM error
F29
EEPROM access error
Communication error between indoor
MCU
E10
Communication error between fan
driving MCU and main MCU
Regular communication error between
indoor aster and follower units and
E18
between main and sub units
SVM-12085_051-114.indd 54 SVM-12085_051-114.indd 54
Operation of diagnostic function
Status of
air conditioner
Stop
(Automatic reset)
Stop
(Automatic reset)
Stop
Stop
Stop
Stop
Stop
Stop
(Automatic reset)
Stop
(Follower unit)
(Automatic reset)
Stop
(Automatic reset)
Stop
(Automatic reset)
Stop
(Automatic reset)
Stop
(Automatic reset)
Stop
(Automatic reset)
Stop
(Automatic reset)
Condition
1. Check cables of remote controller and communication adapters.
Displayed when
Remote controller LCD display OFF (Disconnection)
error is detected
Central remote controller [97] check code
1. Outdoor unit does not completely operate.
Inter-unit wire check, correction of miswiring
Check outdoor P .C. board. Correct wiring of P .C. board.
Displayed when
error is detected
2. When outdoor unit normally operates
Check P .C. board (Indoor receiving / Outdoor sending).
1. Check whether remote controller connection (Group/Individual)
was changed or not after power supply turned on
(Finish of group construction/Address check).
Displayed when ∗ If group construction and address are not normal when the
error is detected
power has been turned on, the mode automatically shifts to
address setup mode. (Resetting of address)
Displayed when 1. Set indoor capacity (DN=11)
error is detected
Displayed when 1. Check outside devices.
error is detected
2. Check indoor P .C. board.
1. Trouble of drain pump
Displayed when 2. Clogging of drain pump
error is detected
3. Check float switch.
4. Check indoor P .C. board.
1. Position detection error
Displayed when 2. Over-current protective circuit of indoor fan driving unit operated.
error is detected
3. Indoor fan locked.
4. Check indoor P .C. board.
1. Check 4-way valve.
Displayed when 2. Check 2-way valve and check valve.
error is detected
3. Check indoor heat exchanger (TC/TCJ).
4. Check indoor P .C. board.
1. Judge follower unit while master unit is [E03], [L03], [L07] or [L08].
Displayed when
2. Check indoor P .C. board.
error is detected
1. Check indoor heat exchanger temp. sensor (TCJ).
Displayed when
2. Check indoor P .C. board.
error is detected
1. Check indoor heat exchanger temp. sensor (TC).
Displayed when
2. Check indoor P .C. board.
error is detected
1. Check indoor heat exchanger temp. sensor (TA).
Displayed when
2. Check indoor P .C. board.
error is detected
Displayed when 1. Check indoor EEPROM. (including socket insertion)
error is detected
2. Check indoor P .C. board.
1. Check indoor P .C. board.
Displayed when
error is detected
1. Check remote controller wiring.
Displayed when
2. Check indoor power supply wiring.
error is detected
3. Check indoor P .C. board.
– 54 –
FILE NO. SVM-12085
Judgment and measures
12/06/12 11:15 AM 12/06/12 11:15 AM