– 109 –
Ye
s
N
o
No
Ye
s
Ye
s
Ye
s
No
No
No
LD301 blinks 8 time.
Acceleration defect.
LD301 blinks 7 time.
Thermistor abnormal.
Is the power module normal?
Is the drive circuit normal?
Is the thermistor connector
disconnected?
❈
The problem may be
“forgetting
to connect after servicing
”.
Is the continuity of thermistor normal?
Is the thermistor circuit normal?
Replace the power module.
Replace any defective parts.
Connect the thermistor
.
Replace the thermistor
.
Replace parts in the
thermistor circuit.
Check continuity of pattern and
lead wires according to the
P
.W
.B. and schematic diagrams.
Check continuity of pattern and
lead wires according to the
P
.W
.B. and schematic diagrams.
Содержание RAC-25NH5
Страница 31: ... 29 MODEL RAK 25NH5 RAK 35NH5 ...
Страница 37: ...CIRCUIT DIAGRAM MODEL RAK 25NH5 RAK 35NH5 37 ...
Страница 38: ...CIRCUIT DIAGRAM MODEL RAC 25NH5 RAC 35NH5 39 ...
Страница 39: ... 41 PRINTED WIRING BOARD LOCATION DIAGRAM MODEL RAK 25NH5 RAK 35NH5 MAIN P W B Marking on P W B ...
Страница 40: ... 42 MODEL RAK 25NH5 RAK 35NH5 RECEIVING P W B Marking on P W B ...
Страница 41: ... 43 MODEL RAC 25NH5 RAC 35NH5 MAIN P W B Marking on P W B COMPONENT SIDE ...
Страница 53: ... 64 ...
Страница 54: ... 65 ...
Страница 55: ... 66 ...
Страница 56: ... 67 ...
Страница 90: ... 101 SELF DIAGNOSIS LIGHTING MODE MODEL RAC 25NH5 RAC 35NH5 ...
Страница 92: ... 103 2 Outdoor unit does not operate but receives remote infrared signal ...
Страница 94: ... 105 6 Check the main P W B power circuit ...
Страница 95: ... 106 CHECKING THE REMOTE CONTROLLER ...
Страница 100: ... 111 ...
Страница 106: ... 117 PARTS LIST AND DIAGRAM INDOOR UNIT MODEL RAK 25NH5 RAK 35NH5 ...
Страница 112: ...HITACHI PM NO 0324E Printed in Malaysia RAK 25NH5 RAC 25NH5 RAK 35NH5 RAC 35NH5 ...