Mitsubishi FB13PNT, Quick Start Manual

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2-63 2-63
E-18 E-18 E-15 E-15
501136 501136
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
3. 3.26 26 FC FC Le Leve ver F r Fau ault lt (5 (54) 4)
Error code: 54 Error code: 54
Situa Situation tion Displ Display: ay: "54". "54". Relat Related ed leve lever o r opera peration tion inhib inhibited ited. N . Norma ormal t l tract raction ion moto motor a r and p nd powe ower s r steer teering ing oper operatio ations. ns.
Possible Possible
cause
cause
Faulty lift FC control lever, faulty tilt FC control lever, faulty attachment 1 and 2 FC control levers, faulty main Faulty lift FC control lever, faulty tilt FC control lever, faulty attachment 1 and 2 FC control levers, faulty main
harness, faulty input unit.
harness, faulty input unit.
Trigger of Trigger of
the error the error
code
code
FC control lever voltage is out of range of 0.1 V to 4.9 V. FC control lever voltage is out of range of 0.1 V to 4.9 V.
Checks Checks
(6) D (6) D isconnect connector E isconnect connector E -12 -12 of input unit. of input unit. Disconnect c Disconnect c onnectors H-04 onnectors H-04 to H-07 to H-07 of FC control levers of FC control levers (FC-IN harnes (FC-IN harnes s) s)
Lift Lift Til Til t t Attachment Attachment 1 1 Attachment Attachment 2 2
(1) Operate all FC control levers to find faulty FC control lever (1) Operate all FC control levers to find faulty FC control lever
Attachment Attachment 2: 4-valv 2: 4-valv e spec e spec ification only ification only
Attachment Attachment 1 and 2: Inspec 1 and 2: Inspec t by check t by check ing pump motor running so ing pump motor running so und if att und if att achment is not installed achment is not installed
Found Found Not Not found, found, with with service service tool tool
(2) Fin (2) Fin d faulty FC c d faulty FC c ontrol lev ontrol lev er with FC er with FC input input / / output output Monitor Monitor
FC contro FC contro l lever voltage sho l lever voltage sho uld be uld be 2.5 ± 2.5 ± 0.2 V if it 0.2 V if it is not operated is not operated
(5) Disconnect battery plug, then perform inverter (5) Disconnect battery plug, then perform inverter
discharging work discharging work
( ( 1 1 1 1 ) ) R R e e p p l l a a c c e e i i n n p p u u t t u u n n i i t t ( ( 1 1 2 2 ) ) R R e e p p a a i i r r o o r r r r e e p p l l a a c c e e h h a a r r n n e e s s s s ( ( F F C C - - I I N N h h a a r r n n e e s s s s ) )
(7) Chec (7) Chec k continuity k continuity between between
E-12-25 and H-04-2(S026), E-12-25 and H-04-2(S026),
E-1 E-1 2-26 2-26 and H-04-4(S and H-04-4(S 025), 025),
E-1 E-1 2-23 and H-04- 2-23 and H-04- 5(A084) 5(A084)
and and
E-12-24 and H-04-1(G021) E-12-24 and H-04-1(G021)
Continuity No continuity Continuity No continuity
(8) Check continuity between (8) Check continuity between
E-12-27 and H-05-2(S024), E-12-27 and H-05-2(S024),
E-12-28 and H-05-4(S023), E-12-28 and H-05-4(S023),
E-12-23 and H-05-5(A072) E-12-23 and H-05-5(A072)
and and
E-12-24 and H-05-1(G020) E-12-24 and H-05-1(G020)
Continuity Continuity No No continuity continuity
(9) Check continuity between (9) Check continuity between
E-12-29 and H-06-2(S022), E-12-29 and H-06-2(S022),
E-12-30 and H-06-4(S021), E-12-30 and H-06-4(S021),
E-12-23 and H-06-5(A073) E-12-23 and H-06-5(A073)
and and
E-12-24 and H-06-1(G019) E-12-24 and H-06-1(G019)
Continuity Continuity No No continuity continuity
(10) Check continuity between (10) Check continuity between
E-12-31 and H-07-2(S020), E-12-31 and H-07-2(S020),
E-12-32 and H-07-4(S019), E-12-32 and H-07-4(S019),
E-12-23 and H-07-5(A074) E-12-23 and H-07-5(A074)
and and
E-12-24 and H-07-1(G018) E-12-24 and H-07-1(G018)
Continuity Continuity No No continuity continuity
(4) Disconnect battery plug (4) Disconnect battery plug
Replace FC control lever Replace FC control lever
Note Note : -100 % equal : -100 % equal 0.25 V 0.25 V 0 % equal 2.5 V 0 % equal 2.5 V
100 % equal 4.75 V 100 % equal 4.75 V
(13) Disconnect battery plug then perform inverter (13) Disconnect battery plug then perform inverter
If fault remains If fault remains
(3) Turn off power (3) Turn off power
Replace abnormal FC control lever with normal control Replace abnormal FC control lever with normal control
lever lever
Turn on power Turn on power
Check faulty FC control lever Check faulty FC control lever
Not Not changed changed Changed Changed