Toshiba RAV-SM562AT-E, RAV-SM802XT-E, RAV-SM802AT-E No display in the setting at shipment

Page 26

 

 

 

 

 

 

 

 

FILE NO. SVM-06012

 

 

 

Table 9-2-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Operation of diagnostic function

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Judgement and action

 

Block

Check

 

Symptom

Unit

Condition

 

 

 

code

 

status

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[MODE]

 

The serial signal is not output

Operation

Displayed when

1.

Outdoor unit does not completely

 

[TIMER] lamp

 

from outdoor unit to indoor unit.

continues.

error is detected

 

operate.

 

5Hz flash

 

Miscabling of inter-unit cables

 

 

 

Inter-unit cable check, correction of

 

 

 

Defective serial sending circuit

 

 

 

miscabling

 

 

 

on outdoor P.C. board

 

 

 

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

 

 

 

Defective serial receiving circuit

 

 

 

cables check

 

 

 

on outdoor P.C. board

 

 

 

Compressor case thermo check

 

 

 

Compressor case thermo

 

 

2.

In normal operation

 

 

 

 

operation

 

 

 

When outdoor sending serial LED

 

 

 

 

 

 

 

 

(Green) flashes, the receiving serial

 

 

 

 

 

 

 

 

LED (Orange) also flashes. : Indoor

 

 

 

 

 

 

 

 

P.C. board (Main P.C. board) check

 

 

 

 

 

 

 

 

When the receiving serial LED (Orange)

 

 

 

 

 

 

 

 

does not flash: Outdoor P.C. board

 

 

 

 

 

 

 

 

check

 

 

 

 

 

 

 

 

 

 

 

BUS communication circuit error

Operation

Displayed when

1.

Communication line check, miscabling

 

 

 

* BUS communication was

continues

error is detected

 

check

 

 

 

 

interrupted over the specified

(According

 

 

Power supply check for central control

 

 

 

 

time.

to remote

 

 

(Central control remote control, etc.)

 

 

 

 

 

control of

 

 

and indoor unit

 

 

 

 

 

indoor

 

2.

Communication check (XY terminal)

 

 

 

 

 

unit)

 

3.

Indoor P.C. board check

 

 

 

 

 

 

 

4.

Central control check

 

 

 

 

 

 

 

 

(Communication P.C. board)

 

 

 

 

 

 

 

 

 

 

 

Error in 4-way valve system

Operation

Displayed when

1.

Check 4-way valve.

 

 

 

Indoor heat exchanger

continues.

error is detected

2.

Check 2-way valve and non-return

 

 

 

 

temperature rise after start of

 

 

 

valve.

 

 

 

cooling operation.

 

 

3.

Check indoor heat exchanger sensor

 

 

 

Indoor heat exchanger

 

 

 

(TC).

 

 

 

 

temperature fall after start of

 

 

4.

Check indoor P.C. board

 

 

 

 

heating operation.

 

 

 

(Main P.C. board).

 

 

 

 

 

 

 

 

 

 

 

Error in other cycles

Operation

Displayed when

1.

Compressor case thermo operation.

 

 

 

Indoor heat exchanger temp

continues.

error is detected

2.

Coming-off of detection part of indoor

 

 

 

 

(TC) does not vary after start of

 

 

 

heat exchanger sensor.

 

 

*

 

cooling/ heating operation.

 

 

3.

Check indoor heat exchanger sensor

 

 

 

 

 

 

4.

(TC).

 

 

 

 

 

 

 

Check indoor P.C. board

 

 

 

 

 

 

 

 

(Main P.C. board).

 

 

 

 

 

 

 

 

 

[MODE] lamp

 

Coming-off, disconnection or

Operation

Displayed when

1.

Check indoor temp sensor (TA).

 

5Hz flash

 

short of indoor temp sensor (TA)

continues.

error is detected

2.

Check indoor P.C. board

 

 

 

 

 

 

 

 

(Main P.C. board).

 

 

 

 

 

 

 

 

 

 

 

Coming-off, disconnection or

Operation

Displayed when

1.

Check indoor temp sensor (TC).

 

 

 

short of indoor temp sensor (TC)

continues.

error is detected

2.

Check indoor P.C. board

 

 

 

 

 

 

 

 

(Main P.C. board).

 

 

 

 

 

 

 

 

 

 

 

Coming-off, disconnection or

Operation

Displayed when

1.

Check indoor temp sensor (TCJ).

 

 

 

short of indoor temp sensor

continues.

error is detected

2.

Check indoor P.C. board (Main P.C.

 

 

 

(TCJ)

 

 

 

board).

 

 

 

 

 

 

 

 

 

[MODE] lamp

 

Error in indoor fan system

All stop

Displayed when

1.

Check indoor fan motor connector

 

5Hz flash

 

Revolutions frequency error of fan

 

error is detected

 

circuit (CN210).

 

 

 

 

 

 

 

2.

Check indoor fan.

 

 

 

 

 

 

 

3.

Check indoor P.C. board

 

 

 

 

 

 

 

 

(Main P.C. board).

 

 

 

 

 

 

 

 

 

 

 

Error in indoor unit or other

Operation

Displayed when

1.

Check indoor P.C. board

 

 

 

positions

continues.

error is detected

 

(EEPROM and peripheral circuits)

 

 

 

1. EEPROM access error

 

 

 

(Main P.C. board).

 

 

 

 

 

 

 

 

 

 

 

Outside error input

Operation

Displayed when

1.

Check outside devices.

 

 

 

Detected by input voltage level

continues.

error is detected

2.

Check indoor P.C. board

 

 

 

from outside devices

 

 

 

(Main P.C. board).

 

 

 

 

 

 

 

 

 

 

 

 

Outside interlock input

All stop

Displayed when

 

 

 

 

 

 

Detected by input voltage level

 

error is detected

 

 

 

 

 

 

from outside devices

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*: No display in the setting at shipment

– 24 –

Image 26
Contents AIR-CONDITIONER Contents Specifications Operation characteristic curve Cooling Heating CurrentConstruction Views Indoor UnitSystematic Refrigerating Cycle Diagram RAV-SM562XT-E / RAV-SM802XT-EWiring Diagram Color IdentificationSpecification of Electrical Parts Parts name Type SpecificationsRefrigerant R410A Safety During Installation/ServicingRefrigerant Piping Installation Piping materials and joints usedProcessing of piping materials 1 Thicknesses of annealed copper pipes Thickness mmOuter diameter mm R410A R22 Flare tool for R22 Conventional flare tool Flare tool for R410A Conventional flare toolClutch type Wing nut type Width Diameter·m kgf·cm ·m kgf·mGeneral tools Conventional tools can be used ToolsRequired tools 1 Configuration of refrigerant charging Recharging of RefrigerantBrazing of Pipes Activated flux Characteristics required for fluxTypes of flux Noncorrosive flux Filler FluxControl Block Diagram PRE DEFAir volume control When power supply is resetOperation mode selection Operation DescriptionCool air discharge preventive control 1 Cold draft preventing controlLouver control Freeze preventive control Low temperature releaseHigh-temp release control Filter sign displayOperation How to set auto restart functionAuto Restart Function MotionsHow to turn off filter check lamp How to cancel auto restart functionPower failure during timer operation Filter Check LampBefore troubleshooting TroubleshootingSummary of Troubleshooting Troubleshooting procedureSelf-Diagnosis by Remote Control Check Code How to use remote control in service modeJudgement and action No display in the setting at shipment Operation 20 TE, TO, TS sensor TA sensor TC, TCJ sensor Caracteristics-1 Caracteristics-2Caracteristics-3 TD sensor Caracteristics-4Remove the Panel arms from the Front panel How to install the Air inlet grilleDetachments Open 3 Cap screws and remove the screws How to remove the Drain pan Assembly Pan assembly Refrigeration How to remove the Refrigeration assemblyFan motor Part name Procedures RemarksHow to remove the Multiblade fan Exploded Views and Parts List Indoor Unit E-Parts AssyAIR-GRILLE
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