Toshiba RAV-SM562AT-E FILE NO. SVM-06012, No display in the setting at shipment, Check, code

Models: RAV-SM562AT-E RAV-SM802AT-E RAV-SM802XT-E

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*: No display in the setting at shipment

 

 

 

 

 

 

 

 

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

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Image 26
Toshiba RAV-SM562AT-E FILE NO. SVM-06012, No display in the setting at shipment, Operation of diagnostic function, Check