Concealed Duct High Static Pressure

Installation Manual

nError codes and parts to be checked

 

Wired remote

 

 

 

Air

 

controller

Main defective parts

Judging

Parts to be checked / error description

 

display

conditioner

 

device

 

 

 

 

status

 

Indication

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No header remote controller

Remote

Incorrect remote controller setting – The header remote controller

 

 

E01

has not been set (including two remote controllers).

 

 

 

 

controller

 

 

 

Remote controller communication error

No signal can be received from the indoor unit.

 

 

 

 

 

 

 

 

 

 

 

 

E02

Remote controller transmission error

Remote

System interconnecting wires, indoor P.C. board, remote controller –

 

 

 

controller

No signal can be sent to the indoor unit.

 

 

E03

Indoor unit-remote controller regular

Indoor

Remote controller, network adapter, indoor P.C. board – No data is

Auto-reset

 

communication error

received from the remote controller or network adapter.

 

 

 

 

 

 

 

 

 

 

 

 

Indoor unit-outdoor unit serial

 

System interconnecting wires, indoor P.C. board, outdoor P.C. board.

 

 

E04

communication error

Indoor

Auto-reset

 

 

– Serial communication error between indoor unit and outdoor unit

 

 

IPDU-CDB communication error

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E08

Duplicated indoor addresses «

Indoor

Indoor address setting error –

Auto-reset

 

The same address as the self-address was detected.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remote controller address setting error – Two remote controllers are

 

 

E09

Duplicated header remote controllers

Remote

set as header in the double-remote controller control.

 

 

 

 

 

controller

(The header indoor unit stops raising alarm and follower indoor

 

 

 

 

 

units continue to operate.)

 

 

 

 

 

 

 

 

E10

CPU-CPU communication error

Indoor

Indoor P.C. board – Communication error between main MCU and

Auto-reset

 

motor microcomputer MCU

 

 

 

 

 

 

 

 

 

 

 

 

 

Header indoor unit-indoor follower unit

 

Indoor P.C. board –

 

E18

Indoor

Regular communication is not possible between header and follower

Auto-reset

regular communication error

 

 

indoor units or between twin header (main) and follower (sub) units.

 

 

 

 

 

101

 

 

 

 

 

E31

IPDU communication error

Outdoor

Communication error between IPDU and CDB

Entire stop

 

 

 

 

 

F01

Indoor unit heat exchanger sensor

Indoor

Heat exchanger sensor (TCJ), indoor P.C. board – Open-circuit or

Auto-reset

(TCJ) error

short-circuit of the heat exchanger sensor (TCJ) was detected.

 

 

 

 

 

 

 

 

 

F02

Indoor unit heat exchanger sensor (TC)

Indoor

Heat exchanger sensor (TC), indoor P.C. board – Open-circuit or

Auto-reset

 

error

short-circuit of the heat exchanger sensor (TC) was detected.

 

 

 

 

 

 

 

 

 

 

 

F04

Outdoor unit discharge temp. sensor

Outdoor

Outdoor temp. sensor (TD), outdoor P.C. board – Open-circuit or

Entire stop

 

(TD) error

short-circuit of the discharge temp. sensor was detected.

 

 

 

 

 

 

 

 

 

 

 

F06

Outdoor unit temp. sensor (TE/TS)

Outdoor

Outdoor temp. sensors (TE/TS), outdoor P.C. board – Open-circuit or

Entire stop

 

error

short-circuit of the heat exchanger temp. sensor was detected.

 

 

 

 

 

 

 

 

 

 

 

F07

TL sensor error

Outdoor

TL sensor may be displaced, disconnected or short-circuited.

Entire stop

 

 

 

 

 

 

 

F08

Outdoor unit outside air temp. sensor

Outdoor

Outdoor temp. sensor (TO), outdoor P.C. board – Open-circuit or

Operation

 

error

short-circuit of the outdoor air temp. sensor was detected.

continued

 

 

 

 

 

 

 

 

 

 

F10

Indoor unit room temp. sensor (TA)

Indoor

Room temp. sensor (TA), indoor P.C. board – Open-circuit or short-

Auto-reset

 

error

circuit of the room temp. sensor (TA) was detected.

 

 

 

 

 

 

 

 

 

 

 

F12

TS (1) sensor error

Outdoor

TS (1) sensor may be displaced, disconnected or short-circuited.

Entire stop

 

 

 

 

 

 

 

F13

Heat sink sensor error

Outdoor

Abnormal temperature was detected by the temp. sensor of the IGBT

Entire stop

 

heat sink.

 

 

 

 

 

 

 

 

 

 

 

 

F15

Temp. sensor connection error

Outdoor

Temp. sensor (TE/TS) may be connected incorrectly.

Entire stop

 

 

 

 

 

 

 

F29

Indoor unit, other P.C. board error

Indoor

Indoor P.C. board – EEPROM error

Auto-reset

 

 

 

 

 

 

 

F31

Outdoor unit P.C. board

Outdoor

Outdoor P.C. board – In the case of EEPROM error.

Entire stop

 

 

 

 

 

 

 

 

 

 

Current detect circuit, power voltage –

 

 

H01

Outdoor unit compressor breakdown

Outdoor

Minimum frequency was reached in the current releasing control or

Entire stop

 

 

 

 

short-circuit current (Idc) after direct excitation was detected

 

 

 

 

 

 

 

 

H02

Outdoor unit compressor lock

Outdoor

Compressor circuit – Compressor lock was detected.

Entire stop

 

 

 

 

 

 

 

H03

Outdoor unit current detect circuit error

Outdoor

Current detect circuit, outdoor unit P.C. board – Abnormal current

Entire stop

 

was detected in AC-CT or a phase loss was detected.

 

 

 

 

 

 

 

 

 

 

 

 

H04

Case thermostat operation (1)

Outdoor

Malfunction of the case thermostat.

Entire stop

 

 

 

 

 

 

 

 

 

 

Current, high-pressure switch circuit, outdoor P.C. board –

 

 

H06

Outdoor unit low-pressure system error

Outdoor

Ps pressure sensor error was detected or low-pressure protective

Entire stop

 

 

 

 

operation was activated.

 

 

 

 

 

 

 

Concealed Duct High Static Pressure

Installation Manual

Wired remote

 

 

 

Air

controller

Main defective parts

Judging

Parts to be checked / error description

display

conditioner

device

 

 

 

status

Indication

 

 

 

 

 

 

 

 

 

 

 

 

L03

Duplicated header indoor units «

Indoor

Indoor address setting error –

Entire stop

 

There are two or more header units in the group.

 

 

 

 

 

 

 

 

 

L07

Group line in individual indoor unit

Indoor

Indoor address setting error – There is at least one group-connected

Entire stop

«

indoor unit among individual indoor units.

 

 

 

 

 

 

 

 

L08

Indoor group address not set «

Indoor

Indoor address setting error – Indoor address group has not been set.

Entire stop

 

 

 

 

 

L09

Indoor power level not set

Indoor

Indoor power level has not been set.

Entire stop

 

 

 

 

 

L10

Outdoor unit P.C. board

Outdoor

In the case of outdoor P.C. board jumper wire (for service) setting error.

Entire stop

 

 

 

 

 

 

 

Network

Address setting, central control remote controller, network adapter

 

L20

LAN communication error

adapter

– Duplication of address in central control communication.

Auto-reset

 

 

central control

 

 

 

 

 

 

 

 

 

 

Other outdoor unit error Entire stop

 

L29

Other outdoor unit error

Outdoor

1) Communication error between IPDU MCU and CDB MCU

Entire stop

2) Abnormal temperature was detected by the heat sink temp.

 

 

 

 

 

 

 

sensor in IGBT.

 

 

 

 

 

 

L30

Abnormal external input into

Indoor

External devices, outdoor unit P.C. board – Abnormal stop due to

Entire stop

indoor unit (interlock)

 

incorrect external input into CN80

 

 

 

 

 

 

 

 

 

 

 

 

Power supply phase sequence, outdoor unit P.C. board

Operation

L31

Phase sequence error, etc.

Outdoor

continued

– Abnormal phase sequence of the 3-phase power supply

(thermostat

 

 

 

 

 

 

 

OFF)

 

 

 

 

 

P01

Indoor unit fan error

Indoor

Indoor fan motor, indoor P.C. board – Indoor AC fan error

Entire stop

(fan motor thermal relay activated) was detected.

 

 

 

 

 

 

 

 

 

P03

Outdoor unit discharge temp. error

Outdoor

An error was detected in the discharge temp. releasing control.

Entire stop

 

 

 

 

 

P04

Outdoor unit high-pressure system

Outdoor

High-pressure switch – The IOL was activated or an error was

Entire stop

error

detected in the high-pressure releasing control using the TE.

 

 

 

 

 

 

 

 

P05

Open phase detected

Outdoor

The power supply wire may be connected incorrectly.

Entire stop

Check open phase and voltages of the power supply.

 

 

 

 

 

 

 

 

 

P07

Heat sink overheat

Outdoor

Abnormal temperature was detected by the temp. sensor of the IGBT

Entire stop

heat sink.

 

 

 

 

 

 

 

 

 

P10

Indoor unit water overflow

Indoor

Drain pipe, clogging of drainage, float switch circuit, indoor P.C. board

Entire stop

detected

– Drainage is out of order or the float switch was activated.

 

 

 

 

 

 

 

 

P15

Gas leakage detected

Outdoor

There may be gas leakage from the pipe or connecting part.

Entire stop

Check for gas leakage.

 

 

 

 

 

 

 

 

 

 

 

Outdoor

4-way valve, indoor temp. sensors (TC/TCJ)

Auto-reset

P19

4-way valve error

– An error was detected due to temperature drop of the indoor unit

(Indoor)

(Auto-reset)

 

 

heat exchanger sensor when heating.

 

 

 

 

 

 

 

 

 

P20

High-pressure protective operation

Outdoor

High-pressure protection

Entire stop

 

 

 

 

 

P22

Outdoor unit fan error

Outdoor

Outdoor unit fan motor, outdoor unit P.C. board – An error (overcurrent,

Entire stop

locking, etc.) was detected in the outdoor unit fan drive circuit.

 

 

 

 

 

 

 

 

 

 

 

 

IGBT, outdoor unit P.C. board, inverter wiring, compressor

 

P26

Outdoor unit inverter Idc activated

Outdoor

Short-circuit protection for compressor drive circuit devices

Entire stop

 

 

 

(G-Tr/IGBT) was activated.

 

 

 

 

 

 

P29

Outdoor unit position error

Outdoor

Outdoor unit P.C. board, high-pressure switch

Entire stop

– Compressor motor position error was detected.

 

 

 

 

 

 

 

 

 

P31

Other indoor unit error

Indoor

Another indoor unit in the group is raising an alarm.

Entire stop

 

 

E03/L07/L03/L08 alarm check locations and error description

Auto-reset

 

 

 

 

 

 

 

 

«: The air conditioner automatically enters the auto-address setting mode.

– 39 –

– 40 –

Page 101
Image 101
Toshiba RAV-SM2802DT-TR, RAV-SM2802DT-E, RAV-SM2242DT-TR service manual Error codes and parts to be checked, Status

RAV-SM2802DT-TR, RAV-SM2242DT-TR, RAV-SM2802DT-E specifications

Toshiba has long been a leader in heating, ventilation, and air conditioning (HVAC) technology, offering innovative solutions that cater to both residential and commercial needs. Among their impressive lineup, the Toshiba RAV-SM2802DT-E and RAV-SM2242DT-E stand out as exceptional models designed for efficiency, performance, and comfort.

The RAV-SM2802DT-E is a powerful unit ideal for larger spaces, boasting a cooling capacity of 28,000 BTU/h and a heating capacity of 31,000 BTU/h. This model features a highly efficient inverter compressor, which adjusts the power consumption based on the cooling or heating demand, ensuring optimal energy use. This inverter technology not only reduces energy consumption but also maintains a stable indoor temperature for enhanced comfort.

On the other hand, the RAV-SM2242DT-E is tailored for mid-sized applications with a cooling capacity of 22,000 BTU/h and a heating capacity of 25,000 BTU/h. This model also embraces inverter technology, promoting lower operational costs while delivering reliable performance. Both units come with a high energy efficiency rating, reducing environmental impact and saving on utility bills.

One of the key characteristics of these Toshiba models is their advanced filtration system. Equipped with a high-performance filtration mechanism, they can effectively reduce dust, allergens, and other pollutants, ensuring a healthier indoor environment. The units also operate quietly, contributing to a peaceful atmosphere, whether in a home, office, or commercial space.

Both the RAV-SM2802DT-E and RAV-SM2242DT-E are designed with user convenience in mind. They come with a user-friendly remote control, allowing for easy adjustments and settings from anywhere in the room. Compatibility with smart home systems further enhances user experience by enabling remote monitoring and control through smartphones or tablets.

Constructed with durability in mind, these units are built to withstand diverse weather conditions, making them suitable for various climatic environments. Additionally, their aesthetic design allows for seamless integration into any setting, ensuring that performance does not compromise on looks.

In summary, Toshiba's RAV-SM2802DT-E and RAV-SM2242DT-E offer a blend of superior technology, energy efficiency, and user-friendly features. With their inverter technology, advanced filtration systems, and durable designs, these models represent Toshiba's commitment to quality and innovation in the HVAC industry. Whether for residential or commercial applications, these units guarantee comfort and reliability all year round.