Toshiba RAV-SM560AT-E Service Manual page 84

Toshiban lämmitys- ja jäähdytyslaitteiden jälleenmyyjä pääkaupunkiseudulla on Jäähdytinpalvelu RefGroup Oy
[P04 error]/[21 error]
NO
Check TE, TC, TS sensors.
Replace electron expansion valve.
Check charged refrigerant amount.
Check liquid/gas valves.
Check abnormal overload.
Is high-voltage
protective operation by
TE sensor normal?
YES
Is connection of cabling
Does cooling outdoor fan
normally operate?
YES
Does PMV normally operate?
YES
Do not TD and TO sensors
come off the detection part?
TD, TO, TC sensor resistance
* For RAV-SM560AT-E, replace control P.C. board.
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NO
connector normal?
YES
NO
Is connection of
connector normal?
YES
Is fan motor normal?
YES
YES
Are characteristics of
values normal?
YES
* Refer to Characteristics-3 and 4.
Check CDB.
Defect Replace
– 84 –
NO
Correct connection of
cabling connector.
Check TE sensor.
Defect Replace
NO
Correct connection of
connector.
NO
Replace fan motor.
NO
Correct coming-off.
NO
Replace TD, TO,
and TC sensors.