46
MicroController Control System
Testing And Adjusting
Alarm Displayed on The Console & Instrument Panel
DISPLAY
STATUS
CONSOLE ALARM MESSAGE
OK
System normal operation
-
No Display
After all display
(two times)
- Fuse blow-out
- Regen. contactor is not operated
BRAKE CONT OPEN
PP
Wait(chat) mode
(after hyd. Time without any operation in neutral)
-
E1
Drive motor brush is worn.
-
EC(With Symbol)
Drive controller thermal protection when the
temperature rises above 85°
THERMAL PROTECTION
Ec(With Symbol)
Pump controller thermal protection when the
temperature rises above 85°
TH. PROTECTION
Ed(With Symbol)
Drive motor thermal protection
EP(With Symbol)
Pump motor thermal protection
EL
Battery Lock-out(Below 45V)
BATTERY LOW
EE
The key switch is turned to on or seat switch
are closed after seat switch delay time when
the position of direction lever is not neutral or
accelerator is pressed.
INCORRECT START
EE(Flashing)
- The key switch is turned to on and no one is
in the seat.
- The seat switch is opened longer than seat
delay time.
-
A
Head capacitor problem
CAPACITOR CHARGE
F
Internal circuit of logic problem
- EEPROM PAR KO
- EEPROM CONF KO
- EEPROM DATA KO
- EEPROM OFF LINE
- CHOP NO CONF
- WATCHDOG
F0
- Drive over current during 5 sec. In chopper mode.
- Drive over current during 1.5 sec. In bypass mode.
HIGH CURRENT
F1
Accelerator problem
VACC NOT OK
F2
Drive mosfet failure(shorted)
- VMN LOW
- I HIGH AT STAND
F3
Pump mosfet failure(shorted)
- STAND BY VMN LOW(HP)
- I HIGH AT STAND(HP)
F4
Drive & pump mosfet failure(shorted)
-
F5
Drive mosfet failure(opened)
- VMN HIGH
- I = 0 EVER
- NO FULL COND.
F6
Pump mosfet failure(opened)
- I = 0 EVER(HP)
- NO FULL COND.(HP)
F7
Drive & pump mosfet failure(opened)
-
FA
Regen. contactor closed
- BRAKE CON CLOSED
Fb
Battery Mismatch
(Batt Volt
≤
40V Or Batt Volt
≥
60V)
-
Fc
Contactor problem
- DIR CONT OPEN
- DIR CON CLOSED
FL
Lift sensor problem
VACC NOT OK(HP)
FF
Serial communication failure
-
Summary of Contents for B20S-3
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