Toshiba RAS-10YAV-E, RAS-13YKV-E, RAS-10YKV-E, RAS-13YAV-E Judgment by Flashing LED of Indoor Unit

Page 42

10-3. Judgment by Flashing LED of Indoor Unit

While the indoor unit monitors the operation status of the air conditioner, if the protective circuit operates, the contents of self-diagnosis are displayed with block on the indoor unit indication section.

Table 10-3-1

Indoor

indication lamp flashes.

Which lamp does flash?

Item

Check

Block display

Description for self-diagnosis

code

 

 

 

 

OPERATION

OPERATION (Green)

Power failure (when power is ON)

A

ECONO.

 

 

TIMER

Flashing display (1 Hz)

 

 

 

 

PRE DEF.

 

 

 

OPERATION

OPERATION (Green)

Protective circuit operation for

B

ECONO.

 

indoor P.C. board

TIMER

Flashing display (5 Hz)

 

 

 

 

PRE DEF.

 

 

 

OPERATION

OPERATION (Green)

Protective circuit operation for

C

ECONO.

TIMER (Yellow)

connecting cable and serial signal

TIMER

system

 

 

 

PRE DEF.

Flashing display (5 Hz)

 

 

OPERATION

OPERATION (Green)

Protective circuit operation for

D

ECONO.

PRE DEF. (Orange)

outdoor P.C. board

TIMER

 

 

Flashing display (5 Hz)

 

 

PRE DEF.

 

 

OPERATION

OPERATION (Green)

Protective circuit operation for others

E

ECONO.

TIMER (Yellow)

(including compressor)

TIMER

PRE DEF. (Orange)

 

 

 

 

PRE DEF.

Flashing display (5 Hz)

 

NOTES :

(1)The contents of items B and C and a part of item E are displayed when air conditioner operates.

(2)When item B and C, and item B and a part of item E occur concurrently, priority is given to the block of item B.

(3)The check codes can be confirmed on the remote controller for servicing.

– 42 –

Image 42
Contents AIR-CONDITIONER Contents Specifications SpecificationsRAS-10YKV-E/RAS-10YAV-E RAS-13YKV-E/RAS-13YAV-E RAS-13YKV-ECooling Heating Operation Characteristic CurveCapacity Variation Ratio According to Temperature CoolingRefrigerant R410A Safety During Installation/ServicingRefrigerant Piping Installation Piping Materials and Joints UsedOuter diameter mm R410A R22 Processing of Piping Materials1 Thicknesses of annealed copper pipes Thickness mm Nominal diameter5 Flare and flare nut dimensions for R410A 3 Dimensions related to flare processing for R410A Outer4 Dimensions related to flare processing for R22 Outer Outer Thickness Dimension mmNm kgfcm Wrenches available on the marketRequired Tools R410A air conditioner Conventional air InstallationTools General tools Conventional tools can be used1 Configuration of refrigerant charging Recharging of RefrigerantBrazing of Pipes Materials for BrazingFlux Brazing Never use gas other than Nitrogen gasConstruction Views Indoor UnitRAS-10YKV-E, RAS-13YKV-E Outdoor Unit RAS-10YAV-E RAS-13YAV-EWiring Diagram 1 Simple check points for diagnosing faultsCheck items Diagnosis result RAS-10YAV-E, RAS-13YAV-E V. Pulse Modulating ValveSpecifications of Electrical Parts Parts name Type SpecificationsParts name Model name Rating Refrigerant Cycle Diagram Refrigerant Cycle DiagramRAS-10YKV-E/RAS-10YAV-E RAS-13YKV-E/RAS-13YAV-E Operation Data CoolingHeating Control Block Diagram Remote ControllerAssembly RASMCC808 P.C.B Operation Description Outline of Air Conditioner ControlCurrent Release Control Power Factor Improvement ControlCapacity Control 1 Compressor revolution rangeLouver Control Prevent-Freezing Control5. P. M. V. Pulse Modulating Valve Indoor Fan Control DC Fan MotorCOOL, DRY Description of Operation CircuitOutdoor Fan Control DC Fan Motor HeatOutdoor temperature release control Prevent-freezing controlCurrent release control Rps Louver control5 Setting of air flow ECONO. operation controlStarting and in stability Heating OperationBasic control Cold draft preventing controlDefrost control Temporary Auto Operation Temporary OperationAutomatic Operation Temporary Cooling OperationHow to Set the Auto Restart Auto Restart FunctionOperation Motion How to Cancel the Auto Restart Case of Power Failure during the Timer OperationName of Indications on Remote Controller Remote ControllerParts Name of Remote Controller START/STOP buttonInstallation Procedure Safety CautionsRemark per EMC Directive 89/336/EEC Optional Installation Parts Indoor UnitElectrical Work Outdoor Unit Refrigerant Piping ConnectionConfirmation of Power Voltage HOW to Diagnose the TroubleConfirmation of Power Supply First ConfirmationPrimary Judgment Operation Which is not a Trouble Program OperationOperation of air conditioner Description Judgment by Flashing LED of Indoor Unit Check Block display Description for self-diagnosis CodeSelf-Diagnosis Self-Diagnosis by Remote Controller Check CodeOperation Control by Rated Frequency in Service Mode ButtonBlock distinction Check outdoor heat exchanger temp Confirmation procedure Judgment of Trouble by Every SymptomIndoor Unit Including Remote Controller Power is not turned on Does not operate entirelyOnly the indoor fan does not operate YESCause How to examine whether remote controller is good or bad Wiring Failure Interconnecting and Serial Signal Wire Check procedure Select phenomena described belowOutdoor unit does not operate Check Code 1C Miswiring in indoor/outdoor units and 1E Check procedureHow to Diagnose Trouble in Outdoor Unit Summarized Inner Diagnosis of Inverter AssemblyDiagnosis/Process flowchart Contents Summary Operating precautions How to Check Simply the Main PartsHow to Check the P.C. Board Indoor Unit Inspection proceduresCheck procedures Procedure Check point Symptom CausesSensor characteristic table 10-8-2. P.C. Board LayoutBottom View Outdoor Unit Part name Checking procedureIndoor Unit Other Parts Position Resistance valueChecking Method for Each Part Case that product is goodHow to Simply Judge Whether Outdoor Fan Motor is Good or Bad Symptom11-1 Indoor Unit HOW to Replace the Main PartsPart name Procedure Remarks To assemble the front panelRemoving Louver motor Microcomputer Board layoutNo. Part name Procedure Remarks DetachmentAttachment Bundled Be careful to check the inverter becauseHigh-voltage circuit is incorporated in it PartLead wires Propeller Flange nut is loosened by turning clockwise Check that coil at B room side Red Pulse modulating valve has a roomSide and B room side. After mounting it Perform work on a corrugated cardboardPart name Procedure Remarks Parts name Qty RemarksMCC-808 Exploded Views and Parts List Part DescriptionLocation Part Description 222 43T49023 Holder of Plate of EVA-SEAL 11, 13 12 24, 25 26, 27 12-3. P.C. Board Layout Toshiba Carrier Corporation Turn 208 10YKV-E 221 Cushion, Rubber Valve, 4-way To Sensor Ø6