Toshiba RAV-SM563UT-E Service Manual page 92

[P19 error]
NO
Check and replace
electron expansion
valve.
NO
* Refer to Characteristics-2.
Replace TC sensor.
• 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
(Indoor P .C. board CN101) normal?
YES
Are characteristics of
TC sensor resistance value normal?
YES
Check indoor P .C. board
(MCC-1402).
Defect Replace
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?
YES
Check indoor P .C. board.
Defect Replace
NO
NO
* Refer to Characteristics-2.
Is voltage applied
NO
to 4-way valve coil terminal
in heating operation?
YES
Is circuit cable normal?
YES
Check CDB P .C. board.
YES
* For RAV-SM563AT-E, SM803AT-E, check control P .C. board.
– 92 –
Revised : Mar. 2007
NO
Check 4-way valve
Defect Replace
NO
Check and correct circuit.
NO
Check CDB P .C. board.
Defect Replace
Correct connection of connector.
Replace TC sensor.