– 92 –
< Reference >
●
When operation stop with LD301 blinks 12 times, it may be caused by faulty DC fan motor.
●
In this case, please check CN6 and CN12 connection first. It makes Fan Motor Lock also if those
connectors are in misconnection.
●
DC Fan Motor has broken when 2A Fuse was burned. Please replace both DC Fan Motor and 2A Fuse
together.
●
It will makes “Fan Lock Stop”when something has disturb the Fan rotation by inserting materials into
propeller fan or ice has growing inside of outdoor unit by snowing.
●
It may make “Fan Lock Stop” by strong wind (ex. 17m/sec or above) against the Fan rotation. In this case,
unit will be restart again after a while.
●
In case of “Fan Lock Stop” even though the DC Fan Motor is rotating correctly, the possible casue is
Fan Motor problem or PQ102 on board or control board problem. Stop after the Fan motor runs 2 minutes,
Fan Motor may be broken.
< Caution >
●
Please take care for the electrical shock by high voltage of DC Fan Motor power source which is common
with compressor when you are servicing this unit.
●
You can not confirm the coil and wiring of Motor due to the built in control circuit in Fan Motor.
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 ...