Check Code List - Toshiba RAV-SP560AT-E Service Manual

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10-2. Check Code List

Wireless sensor Wired remote
lamp display controller
Operation Timer Ready Check code
E03 No communication from remote controller (including wireless)
and communication adapters
E04 The serial signal is not output from outdoor unit to indoor unit.
• Miscabling of inter-unit cables
• Defective serial sensing circuit on outdoor P .C. board
• Defective serial receiving circuit on indoor P.C. board
E08 Duplicated indoor unit addresses
L03 Duplicated indoor master units
L07 There is group line in individual indoor units.
L08 Unsetting of indoor group address
L09 Unset indoor capacity
L30 Abnormal outside interlock input
P01 Fan motor thermal protection
P10 Float switch operation
• Disconnection, coming-off, defective float switch contactor
of float circuit
P12 Indoor DC fan error
P19 Error in 4-way valve system
• Indoor heat exchanger temperature lowered after start of
heating operation.
P31 Own unit stops while warning is output to other indoor units.
F01 Coming-off, disconnection or short of indoor heat exchanger
sensor (TCJ)
F02 Coming-off, disconnection or short of indoor heat exchanger
sensor (TC)
F10 Coming-off, disconnection or short of indoor heat exchanger
sensor (TA)
F29 Indoor EEPROM error
• EEPROM access error
E10 Communication error between indoor MCU
• Communication error between fan driving MCU and main
MCU
E18 Regular communication error between master and sub indoor
units or between main and sub indoor units
Error mode detected by indoor unit
Diagnostic function
Status of air
Cause of operation
conditioner
Stop
(Automatic reset)
S top
(Automatic reset)
Stop
Stop
Stop
Stop
Stop
Stop
Stop
(Automatic reset)
Stop (Sub unit)
(Automatic reset)
Stop
(Automatic reset)
Stop
(Automatic reset)
Stop
(Automatic reset)
Stop
(Automatic reset)
Stop
(Automatic reset)
Stop
(Automatic reset)
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Judgment and measures
Condition
Displayed when 1. Check cables of remote controller and communication adapters.
error is detected • Handy remote controller LCD display OFF (Disconnection)
• Central remote controller [97] check code
Displayed when 1. Outdoor unit does not completely operate.
error is detected • Inter-unit cable check, correction of miscabling, case thermo operation
• Outdoor P .C. board check, P.C. board cables check
2. In normal operation
P .C. board (Indoor receiving/Outdoor sending) check
Displayed when 1. Check whether there is modification of remote controller connection (Group/
error is detected Individual) or not after power has been turned on (finish of group configuration/
address check).
* If group configuration and address are not normal when the power has been turned
on, the mode automatically shifts to address setup mode. (Resetting of address)
Displayed when 1. Set the indoor capacity. (DN=I1)
error is detected
Displayed when 1. Check outside devices.
error is detected 2. Check indoor P .C. board.
Displayed when 1. Check thermal relay of fan motor.
error is detected 2. Check indoor P .C. board.
Displayed when 1. Defect of drain pump
error is detected 2. Clogging of drain pump
3. Check float switch.
4. Check indoor P .C. board.
Displayed when 1. Defective detection of position
error is detected 2. Over-current protective circuit of indoor fan driving unit operates.
3. Lock of indoor fan
4. Check indoor P .C. board.
Displayed when 1. Check 4-way valve.
error is detected 2. Check indoor heat exchanger (TC/TCJ) sensor.
3. Check indoor P .C. board.
Displayed when 1. Judge sub unit while master unit is in [E03], [L03], [L07], [L08].
error is detected 2. Check indoor P .C. board.
Displayed when 1. Check indoor heat exchanger temperature sensor (TCJ).
error is detected 2. Check indoor P .C. board.
Displayed when 1. Check indoor heat exchanger temperature sensor (TC).
error is detected 2. Check indoor P .C. board.
Displayed when 1. Check indoor heat exchanger temperature sensor (TA).
error is detected 2. Check indoor P .C. board.
Displayed when 1. Check indoor EEPROM. (including socket insertion)
error is detected 2. Check indoor P .C. board.
Displayed when 1. Check cables of remote controller.
error is detected 2. Check power cables of indoor unit.
3. Check indoor P .C. board.
Displayed when 1. Check cables of remote controller.
error is detected 2. Check indoor power cable.
3. Check indoor P .C. board.
: Flash, : Go on, : Go off