10-2. Check Code List

Error mode detected by indoor unit

◎ : Flash, 〇 : Go on, ● : Go off

– 67 –

Wireless sensor

Wired remote

lamp display

controller

Operation

Timer

Ready

Check code

 

 

 

E03

◎

●

●

 

 

 

 

 

 

 

 

E04

●

●

◎

 

 

 

 

 

◎

●

●

E08

◎

●

◎

L03

◎

●

◎

L07

◎

●

◎

L08

◎

●

◎

L09

 

 

 

 

 

◎

○

◎

L30

 

 

 

 

 

●

◎

◎

P01

 

 

 

 

 

 

 

 

P10

●

◎

◎

 

 

 

 

 

 

 

 

P12

●

◎

◎

 

 

 

 

 

◎

●

◎

P19

 

 

 

 

 

◎

●

◎

P31

 

 

 

 

 

◎

◎

●

F01

 

 

 

 

 

◎

◎

●

F02

 

 

 

 

 

◎

◎

●

F10

 

 

 

 

 

◎

◎

●

F29

 

 

 

 

 

◎

●

●

E10

 

 

 

 

 

◎

●

●

E18

 

 

 

 

 

 

Diagnostic function

 

 

 

 

 

 

Cause of operation

Status of air

Condition

 

 

Judgment and measures

 

conditioner

 

 

 

 

 

 

 

 

 

No communication from remote controller (including wireless)

Stop

Displayed when

1.

Check cables of remote controller and communication adapters.

and communication adapters

(Automatic reset)

error is detected

 

•

Handy remote controller LCD display OFF (Disconnection)

 

 

 

 

 

•

Central remote controller [97] check code

The serial signal is not output from outdoor unit to indoor unit.

S top

Displayed when

1.

Outdoor unit does not completely operate.

•

Miscabling of inter-unit cables

(Automatic reset)

error is detected

 

•

Inter-unit cable check, correction of miscabling, case thermo operation

•

Defective serial sensing circuit on outdoor P.C. board

 

 

 

•

Outdoor P.C. board check, P.C. board cables check

•

Defective serial receiving circuit on indoor P.C. board

 

 

2. In normal operation

 

 

 

 

 

P.C. board (Indoor receiving/Outdoor sending) check

Duplicated indoor unit addresses

Stop

Displayed when

1.

Check whether there is modification of remote controller connection (Group/

Duplicated indoor master units

 

error is detected

 

Individual) or not after power has been turned on (finish of group configuration/

 

 

 

address check).

There is group line in individual indoor units.

 

 

 

 

 

*

If group configuration and address are not normal when the power has been turned

 

 

 

 

Unsetting of indoor group address

 

 

 

on, the mode automatically shifts to address setup mode. (Resetting of address)

Unset indoor capacity

 

 

 

 

Stop

Displayed when

1.

Set the indoor capacity. (DN=I1)

 

 

 

error is detected

 

 

 

Abnormal outside interlock input

Stop

 

 

 

Displayed when

1.

Check outside devices.

 

 

 

error is detected

2.

Check indoor P.C. board.

 

 

 

 

 

Fan motor thermal protection

Stop

Displayed when

1.

Check thermal relay of fan motor.

 

 

 

error is detected

2.

Check indoor P.C. board.

Float switch operation

 

 

 

 

Stop

Displayed when

1.

Defect of drain pump

•

Disconnection, coming-off, defective float switch contactor

 

error is detected

2.

Clogging of drain pump

 

of float circuit

 

 

3.

Check float switch.

 

 

 

 

4.

Check indoor P.C. board.

Indoor DC fan error

Stop

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.

 

 

 

 

Error in 4-way valve system

Stop

Displayed when

1. Check 4-way valve.

•

Indoor heat exchanger temperature lowered after start of

(Automatic reset)

error is detected

2.

Check indoor heat exchanger (TC/TCJ) sensor.

 

heating operation.

 

 

3.

Check indoor P.C. board.

Own unit stops while warning is output to other indoor units.

 

 

 

 

Stop (Sub unit)

Displayed when

1.

Judge sub unit while master unit is in [E03], [L03], [L07], [L08].

 

 

(Automatic reset)

error is detected

2.

Check indoor P.C. board.

Coming-off, disconnection or short of indoor heat exchanger

Stop

Displayed when

1.

Check indoor heat exchanger temperature sensor (TCJ).

sensor (TCJ)

(Automatic reset)

error is detected

2.

Check indoor P.C. board.

Coming-off, disconnection or short of indoor heat exchanger

 

 

 

 

Stop

Displayed when

1.

Check indoor heat exchanger temperature sensor (TC).

sensor (TC)

(Automatic reset)

error is detected

2.

Check indoor P.C. board.

 

 

 

 

 

Coming-off, disconnection or short of indoor heat exchanger

Stop

Displayed when

1.

Check indoor heat exchanger temperature sensor (TA).

sensor (TA)

(Automatic reset)

error is detected

2.

Check indoor P.C. board.

Indoor EEPROM error

 

 

 

 

Stop

Displayed when

1.

Check indoor EEPROM. (including socket insertion)

•

EEPROM access error

(Automatic reset)

error is detected

2.

Check indoor P.C. board.

Communication error between indoor MCU

Stop

 

 

 

Displayed when

1.

Check cables of remote controller.

•

Communication error between fan driving MCU and main

(Automatic reset)

error is detected

2.

Check power cables of indoor unit.

 

MCU

 

 

3.

Check indoor P.C. board.

Regular communication error between master and sub indoor

 

 

 

 

Stop

Displayed when

1.

Check cables of remote controller.

units or between main and sub indoor units

(Automatic reset)

error is detected

2.

Check indoor power cable.

 

 

 

 

3.

Check indoor P.C. board.

 

 

 

 

 

 

 

Page 66 Page 68
Page 67
Image 67
Toshiba RAV-SM800UT-E, RAV-SM800AT-E, RAV-SM560UT-E, RAV-SM560AT-E Check Code List, Error mode detected by indoor unit
Page 66 Page 68

RAV-SM800BT-E, RAV-SM560BT-E, RAV-SM560AT-E, RAV-SM560UT-E, RAV-SM800UT-E specifications

Toshiba offers a range of innovative air conditioning units designed for optimal performance and efficiency, including the RAV-SM800UT-E, RAV-SM560UT-E, RAV-SM800AT-E, RAV-SM560BT-E, and RAV-SM800BT-E models. Each of these units is part of Toshiba's commitment to quality air conditioning solutions that cater to both residential and commercial spaces.

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