Toshiba RAV-SM564MUT-TR, RAV-SM454MUT-E Operation of diagnostic function Check Status

Page 50

 

Operation of diagnostic function

 

 

 

 

 

 

 

 

 

Check

 

Status of

 

 

 

code

 

 

 

 

 

Cause of operation

air conditioner

Condition

 

Judgment and measures

Indoor

 

 

 

 

 

 

unit

 

 

 

 

 

 

 

 

 

 

H03

Current detection circuit error

Stop

Displayed when

1. Check outdoor P.C. board (MCC-1596).

error is detected

 

(AC current detection circuit)

 

 

 

 

 

 

 

 

 

 

 

Open phase of 3-phase power supply

 

Displayed when

1.

Check open phase of 3-phase power supply.

P05

Stop

2.

Black lead wire to be connected to CN03 of MCC-1596

error is detected

 

 

 

 

 

 

does not pass through T611.

 

 

 

 

 

 

 

 

 

 

1.

Check connection of Ps sensor connector.

 

 

 

Displayed when

2.

Check failure of Ps sensor.

F23

Ps sensor error

Stop

3.

Check compressing power error of compressor.

error is detected

 

 

 

4.

Check 4-way valve error.

 

 

 

 

 

 

 

 

5.

Check outdoor P.C. board error.

 

 

 

 

 

 

 

 

 

 

1.

Check service valves are fully opened.

 

 

 

 

 

(Gas side, Liquid side)

 

 

 

 

2.

Check clogging of outdoor PMV. (PMV1, 2)

 

 

 

Displayed when

3.

Check SV2 circuit.

H06

Low pressure protective operation

Stop

4.

Check Ps sensor error.

error is detected

 

 

 

 

5.

Check clogging of indoor filter.

 

 

 

 

6.

Check clogging of refrigerant pipe.

 

 

 

 

7.

Check of outdoor fan operation. (In heating mode)

 

 

 

 

8.

Check short of refrigerant.

 

 

 

 

 

 

 

Discharge temp. error

 

Displayed when

1.

Check refrigerating cycle (Gas leak)

P03

∗ Discharge temp. (TD) over specified value

Stop

2.

Trouble of electronic expansion valve

error is detected

 

was detected.(1.6)

 

3.

Check discharge temp. sensor (TD).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Check case thermostat and connector.

 

Case thermostat operation

 

Displayed when

2.

Check gas leak, recharge

H04

Stop

3.

Check full open of service valve.

∗ Abnormal overheat of compressor

error is detected

 

 

4.

Check PMV (Pulse Motor Valve).

 

 

 

 

 

 

 

 

5.

Check broken pipe.

 

 

 

 

 

 

 

 

 

 

1.

Check service valves are fully opened.

 

 

 

 

 

(Gas side, Liquid side)

 

 

 

 

2.

Check of outdoor fan operation.

 

 

 

 

3.

Check motor error of outdoor fan.

 

 

 

Displayed when

4.

Check clogging of outdoor PMV. (PMV1, 2)

P04

High pressure SW system error

Stop

5.

Check clogging of heat exchanger in indoor/outdoor units.

error is detected

 

 

 

6.

Short-circuit status of suction/discharge air in outdoor unit.

 

 

 

 

 

 

 

 

7.

Check outdoor P.C. board error.

 

 

 

 

8.

Check fan system error (Cause of air volume drop) at

 

 

 

 

 

indoor side.

 

 

 

 

9.

Check PMV opening status in indoor unit.

 

 

 

 

 

P05

Power supply voltage error

Stop

Displayed when

1. Check power supply voltage.

error is detected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High pressure protective operation

 

 

1.

Check outdoor heat exchanger sensor (TL).

 

 

 

2.

Check indoor heat exchanger sensor (TC, TCJ).

 

• During cooling operation, outdoor temp.

 

 

 

 

 

3.

Check full open of service valve.

 

sensor (TL) detected temperature over

 

 

P20

 

Displayed when

4.

Check indoor/outdoor fan.

specified temp.

Stop

 

error is detected

5.

Check PMV (Pulse Motor Valve).

 

• During heating operation, indoor temp.

 

 

 

 

 

 

 

6.

Check clogging and short circuit of indoor/outdoor heat

 

sensor (TC, TCJ) detected temperature over

 

 

 

specified temp.

 

 

 

exchanger.

 

 

 

 

7.

Overcharge of refrigerant. Recharge

 

 

 

 

 

 

 

 

 

Displayed when

1.

Check lock of fan motor.

P22

Outdoor fan system error

Stop

2. Check power supply voltage between L2 and N.

error is detected

 

 

 

3.

Check outdoor P.C. board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

When performing operation while taking-off compressor

P26

Short-circuit error of compressor driving

Stop

Displayed when

 

wire, P26 error occurs. Check control P.C. board.

 

 

element

error is detected

2.

When performing operation while taking-off compressor

 

 

 

 

 

 

 

wire, an error does not occur. (Compressor rare short)

 

 

 

 

 

 

P29

Position detection circuit error

Stop

Displayed when

1.

Check control P.C. board.

error is detected

 

 

 

 

 

 

 

 

 

 

 

 

 

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Page 49 Page 51
Contents Split Type Contents Troubleshooting Indoort UnitOriginal instruction Work undertaken Protective gear worn Explanation of indicationsExplanation of illustrated marks Indication ExplanationConfirmation of warning label on the main unit DescriptionPrecaution for Safety Proceeding with the repair work Refrigerant used by this air conditioner is the R410A Resistance and water drainage Declaration of Conformity Explanations given to userRelocation Specifications Flare nut Safety Caution Concerned to New RefrigerantCopper pipe Piping JointTools General tools Conventional tools can be usedConcealed Duct type SM56 type Round ductSM110 type Round duct Space required for Installation and servicing RAV-SM404MUT∗, RAV-SM454MUT∗, RAV-SM564MUT∗Dimension RAV-SM564BT∗, RAV-SM804BT∗, RAV-SM1104BT∗, RAV-SM1404BT∗RAV-SM564CT∗, RAV-SM804CT∗, RAV-SM1104CT∗, RAV-SM1404CT∗ Compact 4-way Cassette Type RAV-SM564BT ∗, RAV-SM804BT ∗, RAV-SM1104BT ∗, RAV-SM1404BT ∗ Ceiling Type RAV-SM564CT ∗, RAV-SM804CT ∗, RAV-SM1104CT ∗, RAV-SM1404CT ∗Specifications of Electrical Parts Parts name Type SpecificationsIndoor Controller Block Diagram Case of Connection of Wired Simple Remote ControllerCase of Connection of Wireless Remote Controller Wireless remote controllerMax units Outline of specifications Remarks Control outline CommandTemperature in heating Heat Outline of specifications Ceiling typeTc n TcjTcn ConditionsSetup at shipment Cooling/dry operation Heating/fan operation All operationsAlarm All modesCase of wired remote controller LCD Figure if To 28C Setup AT Local Outline of specifications Remarks MCC-1402 TCJ Exct Disp CHKIndoor P.C. Board Optional Connector Specifications MCC-1402 Troubleshooting procedure Summary of TroubleshootingBefore troubleshooting Wired remote controller typeWireless remote controller type Outline of judgment Lamp indication Check code Cause of trouble occurrenceLamp indication Check code Others Other than Check Code Central control devices detected Remote controller detectedIndoor unit detected Check Code List Error mode detected by indoor unitError mode detected by outdoor unit Air conditionerOperation of diagnostic function Check Status Power supply error of remote controller, Indoor Check code E01 error E09 errorE04 error E10 errorL09 error E18 errorE08, L03, L07, L08 error P30 error Central controller L20 errorL30 error P10 error F10 errorP12 error Exchange to cooling cycle P19 errorCheck by tester Exchange to heating cycleF02 error F01 errorC06 error 11 model connection interface P31 error Follower indoor unit E03 error Master indoor unitF29 error TA, TC, TCJ, TE,TS, to sensor Temperature Resistance value characteristic tableTA, TC, TCJ, TE, TS, to sensor TD, TL sensorPart name Checking procedure Position Resistance valueReplacement procedures CaseCode No. required at least Contents Setting data read out from EepromC. Board for indoor unit servicing replacement procedures Writing the setting data to Eeprom MCC-1402Setting data Type Setting data Factory-set valueSetting data Type Type name abb Type Code NoTest Run Setup on Remote Controller Wired remote controller Compact 4-way Cassette Type and Concealed Duct TypeProcedure Description Test cooling operation Test heating operationD203 Red Practical operationLED Display on Indoor P.C. Board D002 Red To change the selected indoor unit, proceed to Procedure Function Selection SetupUsing the set temperature To change item to be set up, proceed to ProcedureItem No. DN table Selection of function Description At shipmentDescription At shipment When connected 2 remote controllers operate the twin Wireless remote controllerWhen connected 2 remote controllers operate an idoor unit Setup methodContents Group control operation Calling of error history ContentsPushing Test button returns the display to usual display System exampleUsual regular communication Indoor unit power-ON sequenceInitial communication Model Connection Interface TCC-LINK adapter Microprocessor block diagramModel connection interface wiring connection Model name TCB-PCNT30TLEWiring Specifications C. Board Switch SW01 SetupAddress setup How to set up from indoor unit side by remote controllerExternal view of P.C. board assembly Push Test + Vent buttons for 4 seconds or moreDuring unset time, At shipment from factory is displayed Address Setup Address setup procedureSystem configuration Address Setup & Group Control TerminologyExample Automatic Address Example from Unset Address No miswiring Only turning on source power supply Automatic completionSimultaneously for 4 seconds or more Using timer time Buttons, set the line addressPush SET + CL + Test buttons ButtonButton if the unit stops ProcedureTo know the position of indoor unit body by address Detachment Part name ProcedureCeiling panel RBC-UM11PGWE Preparing work AttachmentPart name Procedure Remarks Part name Procedure Remarks Ceiling panel Panel has directionalityProcedure Remarks No. Part nameElectric parts box No. Part name Procedure Fan motor 1. Detachment Drain pan 1. Detachment Drain pump 1. DetachmentDetails of sensor lead wire drawing Part name Procedure Remarks HeatExchanger Recover refrigerant gas Part name Procedure Remarks RAV-SM∗∗∗BT ∗Fan motor Remove the Multi blade fan † Drain pump Remove the drain pan and float switch No. Part name Procedure Remarks 100101 102 103 222 209237 104404MUT-E 454MUT-E 564MUT-E 105Location Description Model name 106 404MUT-TR 454MUT-TR 564MUT-TR107 Electric parts401 Location Model name108 109 RAV-SM564BT-E RAV-SM564BT-TR110 111 RAV-SM804BT-E RAV-SM804BT-TR112 113 1104BT-TR564BT-E 804BT-E 1104BT-E 1404BT-E 114Location Model name RAV-SM Description 115 264220 Location 116Description Model name RAV-SM 117 118 Description 564CT-E 804CT-E 1104CT-E 1404CT-ECheck of Concentration Limit Toshiba Carrier Corporation
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