Toshiba RAV-SM560AT-E Service Manual page 123

Toshiban lämmitys- ja jäähdytyslaitteiden jälleenmyyjä pääkaupunkiseudulla on Jäähdytinpalvelu RefGroup Oy
[08 error]
NO
Check and replace
2-way valve, check
valve, or electron
expansion valve.
NO
* Refer to Characteristics-2.
Replace TC sensor.
Check indoor main P.C. board
(MCC-1370A) and
sub P.C. board (MCC-1370B).
Defect
• In cooling operation, if high pressure is abnormally raised, [08 error] may be displayed. In this case, remove
cause of pressure up and then check again referring to the item [21 error].
[0C error]
Is connection of TA sensor connector
(Indoor main P.C. board CN04) normal?
YES
Are characteristics of
TA sensor resistance value normal?
YES
Check indoor P.C. board
(MCC-1370A).
Defect Replace
Is operation of
4-way valve normal?
YES
Is flow of refrigerant by
2-way valve, check valve,
or electron expansion
valve normal?
YES
Are characteristics
of TC sensor resistance
value normal?
YES
Replace
NO
NO
* Refer to Characteristics-1.
www.ilmalämpöpumput.com
NO Is 200V applied to
4-way valve coil terminal
in heating operation?
NO
Is circuit cable normal?
YES
* For RAV-SM560AT-E,
check control P.C. board.
Check CDB P.C. board.
YES
– 123 –
YES
Check 4-way valve.
NO
Check and correct circuit.
NO
Check CDB P.C. board.
Defect Replace
* For RAV-SM560AT-E,
replace control P.C. board.
Correct connection of connector.
Replace TA sensor.