Toshiba RAV-GM 1101UT-E, Service Manual

Page: 72 / 125

– 72 –
Check
code
Outdoor
LED display
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[H02] [Compressor lock]
I s power su pply voltage normal?
AC198 to 264V
NO
Correct power su pply line.
NO
Compre ss or lock
→
Replace
Check wire connection
and correct it.
YES
I s wire connection correct?
Compre ss or lead
(P.C. board s ide, Compre ss or s ide),
Reactor lead, Power su pply lead
YES
Check o u tdoor P.C. board.
Fail u re
→
Replace
* When replacing o u tdoor P.C.board, replace
the f us e.
I s compre ss or u nder correct condition s ?
NO YES
NO
NO
Check TE, TS s en s or s
and PMV.
Fail u re
→
Replace
I s there refrigerant s tagnation?
YES
Doe s PMV correctly operate?
YES
[H03] [Current detection circuit trouble]
Are CN609 connection and
ca s e thermo s tat correct?
Check o u tdoor P.C. board (MCC-1705).
Fail u re
→
Replace
[H04]
[Case thermostat operation]
NO
Open s ervice valve f u lly.
NO
YES
YES
Check o u tdoor P.C. board.
Fail u re
→
Replace
* When replacing o u tdoor P.C.board,
replace the f us e.
NO
When s horting the ca s e
thermo s tat, can yo u perform
the cooling/heating operation?
NO
Correct connector.
Ca s e thermo s tat tro u ble
→
Replace
Replace the PMV.
I s there ga s leak?
I s there refrigerant s hortage?
YES
Fa u lt part repair.
Recharge refrigerant.
I s s ervice valve f u lly opened?
NO
Check cr us hed or broken pipe.
Fa u lt part repair
YES
YES
I s PMV normal?