FAN Repair

 

FANr epai r   byc wben z   Downl oad  4 S t e p s

  S h a r e

  Fav or i t e IMadei t !Col l ec t i on

Ihadac c umul at edt hr eefl oors t andi ngf answhi c hhad s t oppedr ot at i ng.Hadcl eanedandoi l edi t sshaf t

 

bear i ngsandev enc hangedt hes quar i s hc apac i t orbut s t i l l nott ur ni ng.Wasaboutt ot hr owt hem awaywhenI t hought" . . .what ' st hehar mi ndi s sect i ngt hem,Icoul d l ear ns omet hi ngf r om i t . . . ! ! " Ihadas k edaf ews er v i c emenandal l Igotwasas hor t " . . . t her e' sani nt er nal t her mal f us e. . . " .It r awl edt heweb f ormont hsbutj us tc oul dnotfi ndanyi nf oonwher et he f usewasandhowt or epl acei t .Fi nal l yIdeci dedt o s acr i fi ceoneoft hef ansanddi s sec t edal l t hewi r esgoi ng i nt ot hewi ndi ngs . Fr om t hi scamet hes c hemat i c soft hef an,butonl yupt o t hemot orwi ndi ngs . Thi si ns t r uct abl ec omesi n2par t s :( I ) Tr oubl eshoot i ng and( I I ) Fus er epl ac ement .

Step 1: Materials Required

 

Cr ossheadscr ewdr i ver Fl att i ps c r ewdr i v er Sc i s sor sorPenk ni f e Sol der i ngI r onandsomeSol der Somest r i ngabout0. 5mm i ndi amet er Spar ewi r e,about60c ml ong Capac i t or1. 4uF450VAC( i fr equi r ed)

 

Ther malFuse130degr eeC,1A,250Vac  ( not e:Ic oul donl yfi nda2A130degr epl ac ement @$1. 50SGDapi ecef r om t hel ocal el ect r oni ccomp mponent s hops .Sor r yIdon' thav eequi v al entpar tnumberf r om Mouser ,RSnDi gi key)  

Step 2: Troubleshooting

 

WARNI NG: G: I fy ouar eNOTt r ai nedi nel ec t r i c alr epai r ,pl eas eSTOP h e r e . I twoul dbewi s et os pendt hemone yf orar epl ac ement f anandgi vet hef aul t yonet osomeonewhoknows.We ar edeal i ngwi t h250VAC,s obeex t r ac ar ef ul .You

 

oc eedaty ourownr i s k s. pr TheSchema mat i cs  :

Att hi sj unc t ur e,Ias s umey ouk nowandhav ev er i fi ed t hatt het i merands peeds el ect orar ewor k i ngfi ne( i . e. v ol t agesar epr es entatout putoft hespeeds el ect or ( gr ey ,or angeandr edwi r es ) ) ,s ees c hemat i c sand pi c t ur e. Thec ol or soft hewi r i ngus edi nmyf anmaybedi ffer ent f r om your s,somakeanot e.   Tr oubl eshoot i ngt heTher malFuse  : 1.Di s c onnec tpowert ot hef an. 2.Openupt hec ont r oluni tc ov er . 3.Tak ey ourt i met ot r ac et hewi r i ngandnot edowni t s c ol orandl oc at i on.I ts houl dbes i mi l art ot hesc hemat i c s above. 4.Usi ngt hes par ewi r e,c onnectf r om poi nt“ A”t o“ B”t o s huntt hef us e.Formycas e,“ A”wast hebl ue“ neut r al ” wi r eont het er mi nalbl oc kand“ B” ,t hegr eywi r eont he

 

bi gsquar i s hc apaci t or . Onc edone,mak es ur ey ourf an( wi t houtt hebl adesof c our s e)i sr es t i ngpr oper l yands ec ur el yaswear egoi ng t opoweri tup. 5.Connec tandpowerupt hef anmot or .I ft hef us ei s f aul t y ,t hemot orwi l l r ot at e,mi nedi d.I fi tdi dnot ,i tmi ght al s obet hatpoi nt“ C”wasus edi ns t eadof“ B” ,s i nc ey ou c oul dnotk nowwhi c ht er mi nal i twas .Nowor r y . 6.Di s c onnec tpower .Mov epoi nt“ C”t o“ B”andpowerup t hef anagai n.I fi ts t i l l woul dnotr ot at e,i t ’ sl i k el yt he c apac i t or . 7.Di sconnectpowerandr emovet hespar ewi r e. Repl aci ngt heCapa ci t or :

1.Di s c onnec tpower . 2.Des ol der( orcut )t hewi r esatc apaci t ort er mi nal sand c onnec tt hem t oanewc apac i t or( s amet y pe) . 3.Powerupt hef an.I ft hemot ors t i l l r ef us est or ot at e

 

henIbel i ev et hepr obl em i swi t ht hemot orwi ndi ngsand t i t ' st i met os ayby eby et ot hef an.

Step 3: Thermal Fuse Replacement

 

Sho wAl l I t e ms ms

 

Oncet het her mal f usehasbeendet er mi nedt obet he c aus e,her ewego. . . Remo movi ngt heTher malFuse:

Di s c onnec tpowert ot hef anbef or epr oc eedi ng. 1.T omak ef us er epl ac ementeas i er ,weneedt of r eet he mot orf r om t hec ont r oluni tk eepi ngi t swi r i nghar nessas l ongaspos si bl e.Thehar nes shas5wi r esgoi ngi nt ot he mot orhous i ng.Byt r aci ngt hi shar nes s,s t ar t i ngf r om t he mot orhous i ng,If oundt heGr ound( gr een/ y el l ow)and Neut r al ( bl ue)wi r esendi ngatat er mi nal bl ockand anot hert hr ee( gr ey ,or ange,r ed)endi ngatt hes peed s el ect or .

2.Remo v et heGr oundandNeut r al wi r e( noc ut t i ng r equi r ed)f r om t het er mi nal bl ock .Desol dert hegr ey , or angeandr edwi r esatt hes peeds el ec t or ,not et hei r Youma yhav enot i c edt hatIc utt hewhol e l oc at i onfir s t .( har nes sabout10c mf r om t hemo t or …bi gmi s t ak e . . . but t hatwaswa ybef or eIdec i dedt odot hi s ! ! ) 3.Usi ngafl att i psc r ewdr i v erasal ev er ,pr yt hemot or

 

i ngmountr odawayf r om t hec ont r ol uni t . hous 4.Remov et heos ci l l at i nguni tanddet ac ht hecapac i t or . 5.Remo v et hemet al hous i ngs c r ews .Car ef ul l yr emo v e t her ot orandt hewi ndi ngss l owl ybygi v i ngi tenough s l ac kf r om t hehar nes s .   6.Thewi ndi ngsar et i edbys t r i ngsandc oat edwi t hs ome k i ndofl ac quer .Weneedt oc uts omeoft hem ( s eet he “ X”poi nt si nt hepi ct ur e)us i ngpenk ni f eors har pt i p s ci s sor s .Lookf orabul ge( wher et hef us ei s )andnot i c e wher ei tends . 7.Car ef ul l ysl i c eopent hebl ac ks heat hc ov ert oex pos e t hebr ownwov ens heat hs ,al s ot i edwi t hs t r i ngs . 8.Tr ac et hebl ueNeut r alwi r ef r om t hehar nes st owar ds t hewi ndi ngs.Youwi l l not i c ei tendedi nsi det hebi gges t s heat hwhi c hi sont op.Thi si sourt ar get .Cutt hes t r i ngs t yi ngt hi ss heat h. 9.Thi sbi gs heat h,whi c hi sflat t ened,hol dst hef us eand anot hers heat hedwi r e.Us efi nger st ol i f ti tandpr es son

 

i t ssi dest of or m backi t st ubul ars hape. 10.Wi t hwr i ggl e,pr es sandpul lac t i on,s l owl yr emov e t hi ssheat handt het her mal f us ewi l l beex pos ed.Putt he r emov eds heat has i det ober eus edl at er . 11.Not i c et hatoneoft hef us e’ sl eadsi sal s os heat hedt o pr ev entel ec t r i c al c ont ac t .Sl i c et heSI DEoft hi ss heat h l engt hwi s eabout10mm.Ex pos et hel eadt hr ought hi s c u t . 12.Wi t hbot hl eadsex pos ed,c utt hem offasc l os et ot he f us easpos si bl e.Thi swi l l gi v eusenoughr oom t os ol der t henew f use. 13.T r i mt hel eadsoft henewf us et oabout10mm andt i n t hem wi t hs ol der . 14.Sol dert henewf use,pol ar i t yi snoti mpor t antbuty ou mayf ol l owt heol df us edi r ect i on. 15.Mov et hec uts l eev et oc ov erbac kt hel eade xpos ed i ns t ep#11abo v e.

 

ert hef us eandi t sac c ompany i ngwi r ewi t ht he 16.Cov bi gsheat hr emovedi nst ep#10above. 17.St r i ngt henewf us eas s embl yt ot hewi ndi ngsasneat asy ouc an.Fol dbac kt hebl ac kc ov erands t r i ngagai n. Ensur enos t r i ngorbl ackc ov ers heat hi spr ot r udi ngi nt o t her ot orar ea. 18.Car ef ul l ypl acebac kt hewi ndi ngsandr ot ori nt ot he mot orhousi ng. 19.Sec ur et hehous i ngandmountbac kt heos c i l l at or andt hec apac i t or . 20.I ns er tt hemot orhous i ngmountr odt ot hec ont r ol uni t ,al i t t l epr es s ur ei sneededher e. 21.Dr es sbac kt hewi r i nghar nes sandr ec onnec tt he Gr oundandNeut r al wi r est ot het er mi nal bl oc k.( Forme, Ihadt os ol derbac kal l t hewi r esandi nsul at et hem wi t h heats hr i nki ngt ubes.Ial s ohadt odeact i v at et he os ci l l at ort opr ev entt hem f r om r ubbi ngagai ns teach o t h e r )

 

23.Res ol dert hegr ey ,or angeandr edwi r esbac kt ot he s peeds el ec t or . 24.Poweront hef ant ot es t .Cov erbac kt hec ont r ol uni t andyouar edone.

 

Step 4: Finally... Idi dnotus el ac quert opr ot ec tt hewi ndi ngsandi t sbeen oper at i ngf ornear l y2mont hsnowatar ound6hour sa day. Topr ev entov er heat i ng,Imodi fi edt het i mert odi s abl e t heper manent" ON"s el ec t i on.Byus i ngt het i mi ng mec hani s mt her ewi l lber es t i ngt i mei nbet ween,when noonei si nt her oom ornoi nt ent i ont ous et hef anf ora whi l e.