ǂǂǂǂǂ
Does the transflux fan rotate gently?
(Be sure to turn off the power before checking it.)
Run the product with the remote control unit set to
"cooling, strong wind".
Has the indoor fan motor run for several seconds?
While the fan was turning, did an about 7.5V voltage
occur between pins
ĺ
and
Ľ
of the fan motor
connector (CN2)?
(These signals should normally occur only while the
fan is rotating.)
Does an about 15 V voltage occur between pins
ĺ
10. Timer lamp blinking: blinking 10 times
[Situation] The timer lamp blinks 10 times and the product will not run.
[Estimated failure locations]
·
Loose connector or wire break in the indoor fan motor
・
・
Indoor fan motor mechanically locked
・
Indoor fan motor
・
Indoor fan motor drive circuit
[Diagnosis flow]
Initiating troubleshooting
No
No
No
No
No
No
No
Yes
Yes
Yes
Remove the cause of the mechanical lock.
Is the indoor fan motor connector (CN2) securely
inserted? Is it free of wire breaks?
Correct the connector and wiring.
For 2 to 3 seconds after startup by remote control,
did a voltage of about 3-6 V occur between pins
ĺ
and
ļ
of the fan motor connector (CN2)?
Replace the "indoor electrical parts".
Replace the "indoor fan motor".
Replace the "indoor electrical parts".
Is there a factor that mechanically hampers the rotation?
·
The transflux fan is hitting and rubbing against something.
·
There are deposits of viscous dust.
Replace the "indoor fan motor".
and 5 of the fan motor connector (CN2)?
Yes
Yes
Yes
Yes
123
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 ...