![Hitachi RAC-18WPB Скачать руководство пользователя страница 121](http://html.mh-extra.com/html/hitachi/rac-18wpb/rac-18wpb_service-manual_139606121.webp)
[Situation]
The product is giving a display to indicate that it is performing forcible cooling.
(This is not a sign of a breakdown.)
[Estimated failure locations]
·
Meltdown of the terminal board temperature fuse (the terminal board poorly inserted into
the F cable)
·
Outdoor communication circuit out of order
[Cautions]
[Diagnosis flow]
[Situation]
The timer lamp blinks three times and the product will not operate.
·
If a terminal board is replaced to counter the meltdown of the terminal board temperature
fuse, ensure that the F cable to be inserted into the terminal board has the appropriate
dimension for peeling the insulation sheathing and that the insertion region is unbent before
inserting it into the terminal board securely.
Detach the connector (CN3) from the terminal board
temperature fuse and check the temperature fuse for
continuity. Is the resistance almost 0
No
Yes
Initiating troubleshooting
Replace the "indoor electrical parts".
Replace the "terminal board".
6. Timer lamp blinking: blinking twice
7. Timer lamp blinking: blinking three times
[Estimated failure locations]
·
Outdoor unit error.
·
Please confirm the times of the LD301 blinking, and then
Situation
The timer lamp blinks four times and the product will not operate.
see the outdoor selfcheck lable.
[Situation]
(This is not a sign of a breakdown.)
5. Timer lamp blinking: blinking once
The timer lamp blinks one time and the product will not operate.
[Estimated failure locations]
·
Reversing valve defective.
·
The refrigerating cycle block gas leak.
8. Timer lamp blinking: blinking four times
121
Содержание RAC-18WPB
Страница 50: ...WIRING DIAGRAM RA RAC 18 25 35WPB K 18 25 35 50PPB RAC 5 WPB 0 50 ...
Страница 52: ...CIRCUIT DIAGRAM MODEL RAK 18 25 35 50PPB 52 WIRED REMOTE CONTROL SEND POWER FOR CLEANNESS ...
Страница 53: ...MODEL RA C 18 25 35 WPB 53 ...
Страница 54: ...MODEL RAC 50WPB 54 ...
Страница 67: ...MODEL RAK 18 25PPB RAC 18 25WPB INDOOR UNIT INDOOR UNIT 67 ...
Страница 68: ...COOLING CYCLE INDOOR UNIT OUTDOOR UNIT HEATING CYCLE INDOOR UNIT OUTDOOR UNIT MODEL RAK 35PPB RAC 35WPB 68 ...
Страница 78: ...10 10 10 10 10 R901 R904 R641 R907 R908 R694 R902 R695 R741 R740 R642 DSW1 DSW1 R903 R905 R906 78 ...
Страница 81: ...L N 300 330 Main parts L N C021 C022 37 5 420V RAC 18 25 35WPB 81 1 5 ...
Страница 85: ...5 5 1 10 11 12 74 74 70 70 74 75 5 1 HIC P W B 74 70 75 85 ...
Страница 86: ...6 Electric expansion valve circuit 48 47 46 45 13 14 15 16 4 3 2 1 68 67 66 65 RED 14 12 10 7 6 1 8 6 1 6 2 86 ...
Страница 87: ...2A Fuse DC300 330V 7 7 1 87 ...
Страница 88: ...2A DC300 330V 88 ...
Страница 89: ...L N 300 330 L N 50WPB 89 ...
Страница 90: ...300 330 C021 C023 500 450V 16V R249 33 ACT IP CUT 30 90 ...
Страница 94: ...5 5 1 74 74 70 70 74 75 5 1 HIC P W B 40 41 42 74 70 75 94 ...
Страница 96: ...2A Fuse DC300 330V 7 1 7 96 ...
Страница 97: ...2A DC300 330V 97 ...
Страница 108: ...108 109 ...
Страница 110: ...SELF DIAGNOSIS LIGHTING MODE MODEL RAC 18 25 35WP B 110 ...
Страница 111: ...SELF DIAGNOSIS LIGHTING MODE MODEL RAC 50WP B 111 ...
Страница 131: ...57 131 ...
Страница 132: ...Please set the DIP switch No 6 to ON accordingly Refe to page r 78 132 ...
Страница 133: ...78 133 ...
Страница 134: ...134 ...
Страница 148: ...HITACHI RAK 18PPB RAC 18WPB RAK 25PPB RAC 25WPB HHAW NO 0080E RAK 35PPB RAC 35WPB RAK 50PPB RAC 50WPB 3 148 ...