Yanmar All models error codes
Codes
- at20Error codeover 53A/5000 rpm 14.5±0.3V(Standard temperature voltage gradient,-0.01/"C)
- H3Error codeCrank gear, Cam gear, Idle gear, 0.07~0.15 Fuel injection pump drive gear Lube oil pump gear 0.11~0.19
- ou3Error codes re d failu an ctive tion g. r Defe limin injec othe
- P0117Error codeLow voltage detected; possible sensor short or low coolant
- P0192Error codeFuel rail pressure too low; engine may run rough or fail to start
- P0201Error codeOpen circuit or short in the injector coil (Check wiring harness)
- P0521Error codeAbnormal oil pressure reading; check oil level and filter
- P0606Error codeInternal ECU error;
- P1665Error codeHigh pressure leak or pump performance issue (Limp Mode active)
- SlError codeError Code
- t3Error code~ I ( I I Uneven quantity of fuel oil injected I (1: Air in 1he Juel inieclion pump \ 15) Damaged exhaust union packing (2) Faulty operation ol plunger \ (3) Damaged plunger sp1mg (6) loose pinion screw (7) Faulty luel in1ec11on pump (4) Faulty luel o,I eiec1,on valve\
- U0Error code(I) Faulty luel injeclion pump I [) Faulty Juel injection valve (1) Fautty plunger oporatia11 1t J lnjoclioo opening is cl:)gged 121 Worn plueger 121 Sl~k1ng ol valve needle 131 F,uhy e10ct<Jn valve 131 Low injecl,in pressure (4) Uneven quantity ol luel iniocted (41 Fauly spray cond,!ion \:5) lueguta:r luel m1ecl1on timLng 15) Carbon depose \ POOR EXHAUST COLOR ( i ) Overload,ng / (2) Too grea1 a quan1ity al lube od l3i Carbon deposit ,n Sl.lCl<>n valves (4) Diny air cooler /2 15) Poor qua1t1y Juel oil I Clogging ,n e,hausl syslemCause
- u2Error codeI ( I ) Faulty fuel injection valve I I ( n) Faulty fuel injeclion I \ 11) low in1ect1on pressure \ ( 1 [ Early fu.el Ln1ecticn (3) S11ck1ng 01 valve needle \\ \ (2) Damaged luei val\le sp{ing \- \ (2) Fu~I pressurn 1s tao ru-g11 \ (4) Fau~y mfectlon spray \ .. ... KNOCKING l I / I \ 1) E i:cessive quantity ol fuel is eiectad \ 1) lnsu lhcienl cooh-r,g waier 1rom fuel pump I I (4} Poor quality tue1 oil I (2) Excess pfston dearar.ce / (5) Water rrrn:c,d 111 tuel 011 (3) Excess beanng clearan.ce I 16) lnc.orroc1 prossuw I ! (fil) Excessive quan.tit.y. o.f. f.u el injected each time I (WI Miscellaneous I ......... (1111) AdIust pump adjustment rack. ( IV -1) Check cooling water pump and lap valves. (IV-2) Replace. ( IV-3) Replace. ( IV -4) Replace with good fuel oil. ( rv -5) Replace with good fuel oil. ( rv -6) Check and repair