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Refrigerator evaporator fan not working

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Post by Lenaren Tue Jan 03, 2017 3:35 pm

Hello sa master dito..

Happy new year po.. Hingi po sana akong tulong sa inyo.. May inaayos po kasi akong refrigerator ng coca cola... Di po gumagana yung evaporator fan.. nung check ko yung supply putok po yung fuse (3.15 amp) nya.. akala ko fuse lang.. nung pinalitan ko yung fuse sumabog ulit kasama yung NTC at dalawang diode.. ano kaya ung dahilan bat pumuputok ang fuse? 

Refrigerator evaporator fan not working Ref%20Supply%20Boardx_zpsfp9buqte

Yung A po yun ung papuntang fan tapos yung B yung supply..

Inputs please..

Thanks...
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Post by Lenaren Wed Jan 04, 2017 1:34 pm

Ok lang po ba master lagyan ko ng supply 220V tapos walang load na fan?
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Post by ultrasonic™ Wed Jan 04, 2017 4:28 pm

pwde yan sis.. wag mo munang e load ang mga Loads = (A) Efan / Motor... para ma isolate mo ng Tama...

direct replace muna ang mga shorted rectifier diode, line thermal fuse (NTC), busted glass fuse.. pag hindi pumutok ang mga parts na yan ulit ay may problema ang efan mo...
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Post by alvinquimbo Wed Jan 04, 2017 8:38 pm

Pwede gamit ka ng light bulb trick sis..baka may sayad ang pwm yan..kutob ko lang..sundin mo si sis ultra, isolate muna..pero pag pumutok parin baka problemado yung board...mas mainam parin mag light bulb trick baka may iba pang shorted..
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Post by Lenaren Thu Jan 05, 2017 11:26 am

Salamat po mga sis ultra at sis alvin.. 1+ po sa inyo...
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Post by alvinquimbo Thu Jan 05, 2017 1:57 pm

sis na okey na ang unit mo???ano ang problema??balitaan mo kami sis.. reading
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Post by Lenaren Thu Jan 05, 2017 3:42 pm

Balitaan ko po kayo agad sis... Bibili pa lang ako ng parts...
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Post by Lenaren Sun Jan 08, 2017 1:27 pm

Na-try ko sis.. Nag series lightbulb po ako.. Wala nmn pong umusok.. Eto po ung nakuha kong reading sa output at input..

Red wire - 300vdc
White wire - 13vdc
Yellow wire - 4vdc

Tanong ko lng po sa thermistor.. Wala ksing available na SCK 201 yung pinalit ko muna ma test ko po ung board offline sinalpak ko yung SCK 053... Ano po master yung difference nila? Yung number ba dyan ba mlalaman kung ano rated temperature nila? Inputs please.... Thanks
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Post by ultrasonic™ Mon Jan 09, 2017 10:37 am

Ok na iyan... pag pumutok pa rin iyan ay hatol ko dyan ay may sayad ang Fan Motor mo or ano mang Load nakalagay dyan... kung fan man iyan ay needed to rewind na iyan.. 

abwt sa thermistor..

eto data nyan:

Refrigerator evaporator fan not working NTC%20POWER%20THERMISTOR%208phase%20Series%20SCK-201_zpsa203daca

SCK- mean NTC Surge Current Killer
053 - 5ohm 3A
201 - 20 ohm 1A
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Post by Lenaren Mon Jan 09, 2017 12:20 pm

Thanks po sa info master ultra.. may natutunan na naman po ako sa inyo.. 1+ pogi points po..  Smile

Ask ko lang po kung kinabit ko na SCK 053 ok lang ba yun? Kasi po wala talaga akong mabilhan dito..
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Post by Lenaren Mon Jan 09, 2017 12:23 pm

Fan po yung load nito master ultra.. sa saturday ko pa babalikan yung unit.. ok lang po ba magseries light bulb ako pag sinalpak ko na yung load?
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Post by ultrasonic™ Mon Jan 09, 2017 1:23 pm

Lenaren wrote:Thanks po sa info master ultra.. may natutunan na naman po ako sa inyo.. 1+ pogi points po..  Smile

Ask ko lang po kung kinabit ko na SCK 053 ok lang ba yun? Kasi po wala talaga akong mabilhan dito..

Ok lang yan... serve as surge protector lang yan at silbing parang fuse na rin...
Lenaren wrote:Fan po yung load nito master ultra.. sa saturday ko pa babalikan yung unit.. ok lang po ba magseries light bulb ako pag sinalpak ko na yung load?

Yes.. applicable pa din ang bulb trick dyan...
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Post by Lenaren Tue Jan 17, 2017 12:20 pm

Update lang po mga master.. problema po yung motor.. 

Paano po ba i test yung DC motor - brushless type? Ano po normal resistance kaya nito? Inputs please..
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Post by Lenaren Fri Jan 20, 2017 8:39 am

Walang available na DC brushless motor.. puro AC motor lang.. Pwede kaya master AC dito? Di ba delikado?
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Post by Electro Sat Jan 28, 2017 11:39 am

pwede siguro master. AC motor na lang tapos lagyan lang ng series diode para maging DC
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