Mitsubishi FB13PNT, Quick Start Manual

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2-100 2-100
501152 501152
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
3. 3.44 44 Ou Outp tput ut Un Unit it Fa Faul ult ( t (68 68))
Error code: 68 Error code: 68
Sit Situat uation ion Dis Displa play: "6 y: "68". 8". All t All truc ruck ope k operat ration ions inh s inhibi ibited ted. Lin . Line co e conta ntacto ctor OP r OPEN an EN and pum d pump co p conta ntacto ctor OP r OPEN. EN.
Possible Possible
cause
cause Emergency switch opened, faulty remote output unit, faulty main harness, faulty logic Emergency switch opened, faulty remote output unit, faulty main harness, faulty logic unit. unit.
Trigger of Trigger of
the error the error
code
code
Emergency switch is detected. ROM/RAM SUM value of output unit is different from check data. Emergency switch is detected. ROM/RAM SUM value of output unit is different from check data.
Communication wit
Communication with output unit is impossible. h output unit is impossible. SUO #43 (Hydraulic Contr SUO #43 (Hydraulic Control Selection) is incorr ol Selection) is incorrect. ect. SUO #50 SUO #50
(Tilt Holizon Function) is incorrect. (Tilt Holizon Function) is incorrect.
Checks Checks
(3) Checks (3) Checks
Without Without service service tool tool With With service service tool tool
(1) Check emergency switch (1) Check emergency switch
Not Not pushed pushed Pushed Pushed
(2) Release emergency switch (2) Release emergency switch
(4) C (4) C heck heck output unit status w output unit status w ith FC input ith FC input /output /output monitor monitor
Normal Normal Error Error
(6) Disconnect battery plug, then replace output unit (6) Disconnect battery plug, then replace output unit
Turn off power Turn off power
(5) Turn off power (5) Turn off power
(7) Dis (7) Dis conne conne ct connec ct connec tor E-10 tor E-10 of output of output unit unit , then , then Measur Measur e e
voltage between E-10-20 voltage between E-10-20 (10) and (10) and E-10-19 E-10-19 (12) (12)
Co Co nfir nfir m va m va lue i lue i s s 14 14 ± ± 2 2 V V
Normal Abnormal Normal Abnormal
(8) Disconnect battery plug, then perform inverter (8) Disconnect battery plug, then perform inverter
discharging work discharging work
(9) Disconnect battery plug, then perform inverter (9) Disconnect battery plug, then perform inverter
discharging work discharging work
(10) Dis (10) Dis conne conne ct connec ct connec tor tor E-0 E-0 2 2 of logic unit of logic unit
Check continuity between E-02-5 and E-10-13(3) Check continuity between E-02-5 and E-10-13(3)
Check continuity between E-02-6 and E-10-14(4) Check continuity between E-02-6 and E-10-14(4)
Continuity Continuity No No continuity continuity
(11) C (11) C heck c heck c ontinuity between ontinuity between E-01-3 E-01-3 and and E-10-20 E-10-20 (10) (10)
Chec Chec k continuity between k continuity between E-0 E-0 1-6 1-6 and and E-1 E-1 0-19(12) 0-19(12)
Continuity Continuity No No continuity continuity
( ( 1 1 4 4 ) ) R R e e p p l l a a c c e e o o u u t t p p u u t t u u n n i i t t ( ( 1 1 5 5 ) ) 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 m m a a i i n n h h a a r r n n e e s s s s
(12) Replace power supply (12) Replace power supply
card of logic unit card of logic unit
(13) Repair or replace (13) Repair or replace
main main har har nes nes s s