2-73
2-73
501161
501161
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
3.3
3.31
1 Lif
Lift L
t Leve
ever,
r, Fau
Faulty
lty Set
Settin
ting (
g (H1)
H1)
Error code: H1
Error code: H1
Situation
Situation
Display: "H1" flashes.
Display: "H1" flashes. Pump motor and power steering operations inhibited. Pump contactor OPEN if this fault
Pump motor and power steering operations inhibited. Pump contactor OPEN if this fault
occurs when turning on power. Pump contactor CLOSE if this fault
occurs when turning on power. Pump contactor CLOSE if this fault occurs during pump operation and then
occurs during pump operation and then
OPEN if truck stops.
OPEN if truck stops.
Possible
Possible
cause
cause
Key switch turned on while operating lift lever, faulty lift control lever or lift switches 1 and 2, faulty main
Key switch turned on while operating lift lever, faulty lift control lever or lift switches 1 and 2, faulty main
harness, faulty logic unit, faulty input unit.
harness, faulty logic unit, faulty input unit.
Trigger of
Trigger of
the error
the error
code
code
Detects lift control lever signal of CAN when turning on power (FC specification). Detects lift microswitch 1 or 2
Detects lift control lever signal of CAN when turning on power (FC specification). Detects lift microswitch 1 or 2
when turning on
when turning on power (MC specification).
power (MC specification).
Checks
Checks
(1)
(1)
If
If
this
this
fault
fault
occurred
occurred
during
during
If
If
this
this
fault
fault
occurred
occurred
when
when
pump
pump
motor
motor
operation
operation
turning
turning
on
on
power
power
(2) Sit on seat, then stop pump motor operation
(2) Sit on seat, then stop pump motor operation
If
If
fault
fault
remains
remains
Normal
Normal
(7) Change lift control lever to other normal control lever
(7) Change lift control lever to other normal control lever
Not
Not
changed
changed
Error
Error
changed
changed
(11) Disconnect battery plug, then perform inverter
(11) Disconnect battery plug, then perform inverter
discharging work
discharging work
(12) Replace lift switch 1 or 2
(12) Replace lift switch 1 or 2
(13) Check continuity between E-04-52 and E-36-1(68)
(13) Check continuity between E-04-52 and E-36-1(68)
Check continuity between E-04-51 and E-36-2(67)
Check continuity between E-04-51 and E-36-2(67)
Chec
Chec
k short circuit between E-36-1
k short circuit between E-36-1
and E-36-
and E-36-
6
6
Chec
Chec
k short circuit between E-36-2
k short circuit between E-36-2
and E-36-
and E-36-
6
6
Continui
Continui
ty
ty
,
,
Not
Not
shorted
shorted
No
No
continui
continui
ty
ty
,
,
Shorted
Shorted
(5) Turn off power
(5) Turn off power
(6) Refer to error code
(6) Refer to error code
"54", "67" or "(L)"
"54", "67" or "(L)"
(9) Repair or replace
(9) Repair or replace
FC-IN harness
FC-IN harness
(10) Replac
(10) Replac
e l
e l
ift
ift
control
control
lever
lever
(8) D
(8) D
isconnect connec
isconnect connec
tor E-36
tor E-36
of microswitch
of microswitch
Sit on seat, then turn on power again
Sit on seat, then turn on power again
If
If
fault
fault
remains
remains
Normal
Normal
FC specification
FC specification
MC
MC
specification
specification
(4) Turn off power
(4) Turn off power
Sit on sea
Sit on sea
t,
t,
then turn on pow
then turn on pow
er again w
er again w
ithout lift
ithout lift
operation
operation
If
If
fault
fault
remains
remains
Error
Error
code
code
"
"
54
54
"
"
or
or
"
"
67
67
"
"
or
or
"
"
(L)
(L)
"
"
(3) Fail-safe function
(3) Fail-safe function
Содержание FB13PNT
Страница 2: ......
Страница 12: ......
Страница 86: ...1 73 1 73 Fig 5 Fig 5 500969 500969...
Страница 264: ...4 13 4 13...
Страница 265: ...CHAPTER 5 CIRCUIT DIAGRAM CHAPTER 5 CIRCUIT DIAGRAM Ch Chap apte ter 5 r 5 C CIR IRCU CUI IT DI T DIA AGR GRAM AM...
Страница 266: ...5 1 5 1...
Страница 267: ...5 2 5 2...
Страница 268: ...5 3 5 3...
Страница 269: ...5 4 5 4...
Страница 270: ...5 5 5 5...
Страница 271: ...5 6 5 6...
Страница 272: ...5 7 5 7...
Страница 273: ...5 8 5 8...
Страница 274: ...5 9 5 9...
Страница 275: ...5 10 5 10...
Страница 276: ...5 11 5 11...
Страница 277: ...5 12 5 12...
Страница 278: ...5 13 5 13...
Страница 279: ...5 14 5 14...
Страница 280: ...5 15 5 15...
Страница 281: ...5 16 5 16...
Страница 282: ...5 17 5 17...
Страница 283: ...5 18 5 18...
Страница 284: ...5 19 5 19...
Страница 285: ...5 20 5 20...
Страница 286: ...5 21 5 21...
Страница 287: ...5 22 5 22...
Страница 288: ...5 23 5 23...
Страница 289: ...5 24 5 24...
Страница 290: ...5 25 5 25...
Страница 292: ...9 9 9 9 7 7 5 5 9 9 5 5 M M 3 3 0 0 0 0 P P N N F F o o r r k k l l i i f f t t T T r r u u c c k k s s...