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POWER CIRCUIT
Phenomenon 1 <Rotation speed does not increase>
Is the DC voltage at least 350V?
Is the OVL lamp lit?
If the lamp is lit, it does not
indicate fault, but the unit
is overload status.
Recheck cord, etc. of the
system power module. If
they are disconnected,
connect them securely.
If abnormality continues,
replace the system
power module.
Overvoltage defect: system power
module faulty (14-times blinking)
Yes
No
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 ...