Toshiba RAV-SM802CT-E Revised Mar, P19 error, F02 error, Is voltage applied, Defect ÆReplace

Revised : Mar. 2007

[P19 error]

NO

Check and replace electron expansion valve.

NO

Is operation of

4-way valve normal?

YES

Is flow of refrigerant by electron expansion valve normal?

YES

Are characteristics

of TC sensor resistance

value normal?

NO	Is voltage applied	NO
	to 4-way valve coil terminal
	in heating operation?
	YES

Check 4-way valve

Defect ÆReplace

NO

Is circuit cable normal?

YES

Check and correct circuit.

*Refer to Characteristics-2. YES

Replace TC sensor.

Check indoor P.C. board.

Defect ÆReplace

NO

Check CDB P.C. board.

YES

Check CDB P.C. board.

Defect ÆReplace

* For RAV-SM563AT-E,SM803AT-E, check control P.C. board.

•In cooling operation, if high pressure is abnormally raised, [P19 error] / [08 error] may be displayed.

In this case, remove cause of pressure up and then check again referring to the item [P04 error] / [21 error].

[F02 error]

Is connection of TC sensor connector		NO
(Indoor P.C. board CN101) normal?
	YES

Correct connection of connector.

Are characteristics of

TC sensor resistance value normal?

YES

Check indoor P.C. board (MCC-1402).

Defect ÆReplace

NO

* Refer to Characteristics-2.

Replace TC sensor.

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