Service Functions; Troubleshooting - Mitsubishi Electric SUZ-KA25VA3 Service Manual

10

SERVICE FUNCTIONS

SUZ-KA25VA3.TH
SUZ-KA60VA3.TH
CHANGE IN DEFROST SETTING
Changing defrost finish temperature
-6! 7R FKDQJH WKH GHIURVW ILQLVK WHPSHUDWXUH FXWVROGHU WKH -6 ZLUH RI WKH RXWGRRU LQYHUWHU 3& ERDUG 5HIHU WR 
-XPSHU ZLUH
6ROGHUHG ,QLWLDO VHWWLQJ
-6
1RQH FXW
11

TROUBLESHOOTING

SUZ-KA25VA3.TH
SUZ-KA60VA3.TH
11-1. CAUTIONS ON TROUBLESHOOTING
1. Before troubleshooting, check the following:
 &KHFN WKH SRZHU VXSSO\ YROWDJH
 &KHFN WKH LQGRRURXWGRRU FRQQHFWLQJ ZLUH IRU PLVZLULQJ
2. Take care the following during servicing.
 %HIRUH VHUYLFLQJ WKH DLU FRQGLWLRQHU EH VXUH WR WXUQ 2)) WKH PDLQ XQLW ILUVW ZLWK WKH UHPRWH FRQWUROOHU DQG WXUQ RII WKH EUHDNHU
 %H VXUH WR WXUQ 2)) WKH SRZHU VXSSO\ EHIRUH UHPRYLQJ WKH IURQW SDQHO WKH FDELQHW WKH WRS SDQHO DQG WKH HOHFWURQLF
FRQWURO 3& ERDUG
 :KHQ UHPRYLQJ WKH HOHFWULFDO SDUWV EH FDUHIXO RI WKH UHVLGXDO YROWDJH RI VPRRWKLQJ FDSDFLWRU
 :KHQ UHPRYLQJ WKH HOHFWURQLF FRQWURO 3& ERDUG KROG WKH HGJH RI WKH ERDUG ZLWK FDUH 127 WR DSSO\ VWUHVV RQ WKH
FRPSRQHQWV
 :KHQ FRQQHFWLQJ RU GLVFRQQHFWLQJ WKH FRQQHFWRUV KROG WKH KRXVLQJ RI WKH FRQQHFWRU '2 127 SXOO WKH OHDG ZLUHV
3. Troubleshooting procedure
 &KHFN LI WKH 23(5$7,21 ,1',&$725 ODPS RQ WKH RXWGRRU 3& ERDUG LV EOLQNLQJ RQ DQG RII WR LQGLFDWH DQ DEQRUPDO-
LW\ 7R PDNH VXUH FKHFN KRZ PDQ\ WLPHV WKH DEQRUPDOLW\ LQGLFDWLRQ LV EOLQNLQJ RQ DQG RII EHIRUH VWDUWLQJ VHUYLFH ZRUN
 %HIRUH VHUYLFLQJ FKHFN WKDW WKH FRQQHFWRU DQG WHUPLQDO DUH FRQQHFWHG SURSHUO\
 ,I WKH HOHFWURQLF FRQWURO 3& ERDUG LV VXSSRVHG WR EH GHIHFWLYH FKHFN WKH FRSSHU IRLO SDWWHUQ IRU GLVFRQQHFWLRQ DQG WKH
FRPSRQHQWV IRU EXUVWLQJ DQG GLVFRORUDWLRQ
 :KHQ WURXEOHVKRRWLQJ UHIHU WR  DQG 
OCH530A
SUZ-KA35VA3.TH
SUZ-KA71VA3.TH
SUZ-KA25VA3.TH
SUZ-KA35VA3.TH


SUZ-KA35VA3.TH
SUZ-KA71VA3.TH
Lead wire
SUZ-KA50VA3.TH
'HIURVW ¿QLVK WHPSHUDWXUH ƒ&
SUZ-KA50VA3.TH
9

SUZ-KA50VA3.TH
Housing point

SUZ-KA60VA3.TH
SUZ-KA71VA3.TH