Reference
Only
Manitowoc
Published 05-16-17, Control # 233-03
1-13
999 SERVICE/MAINTENANCE MANUAL
INTRODUCTION
1
System Faults
The PC monitors and enables a red system fault light and
buzzer if any system fault is detected. System fault display
screen displays faults and automatically scrolls through
faults, stopping for three seconds at each fault. When fault is
corrected, the display clears the fault from the screen after
scrolling through fault screen twice. When a system fault is
enabled, the PC displays the following messages:
HYD TANK FLUID TEMP – Hydraulic tank fluid temperature
is above 180°F (82°C).
HYD TANK FLUID LEVEL – Hydraulic tank fluid at low level;
fill tank.
ENGINE OIL PRESSURE – Engine oil pressure is below 15
psi (1,0 bar).
ENGINE TEMPERATURE – Engine coolant temperature is
above 205°F (96°C).
MAIN CHARGE FILTER – Main charge filter is plugged,
replace filter. Opens at 75 psi (5,2 bar).
AUX DRUM CHRG FILTER – Auxiliary drum charge filter is
plugged, replace filter.
HYD SUCTION FILTER – Remove blockage from suction
side of hydraulic tank or pumps will be damaged.
BOOM ANGLE SENDER – Boom angle sender output
voltage is 0 volts or above 9.7 volts.
LUFF JIB SENDER – Luffing jib angle sender output voltage
is 0 volts or above 9.7 volts.
MAST SYSTEM – Stop operating mast system and find
cause of fault and correct.
BATTERY VOLTAGE LOW – Battery voltage is less than 10
volts.
FFALL FILTER – Free fall filter is plugged, replace filter.
FIGURE 1-7
HYDRAULIC SUCTION WA-37
WD-18
WD-19
8D
8
WB-10
WB-09
SELECT
CONFIRM
CRANE MODE
8T
0
0
8
WB-26
WB-33
DOWN SCROLL
UP SCROLL
WB-16
K1
F4
WA-10
UNIVERSAL
BOOM TOP
JUNCTION BOX
F8
SYSTEM FAULT
BUZZER
25A
25
OPERATING LIMIT
BEEPER
PROGRAMMABLE
CONTROLLER
DIGITAL DISPLAY
5A
5A
+
_
ENGINE
10A
5D
5A
F15
STOP
STOP
3
ENGINE
RUN
START
7
MS1
K1
5DA
8
8P1
50 AMP
CB7
SEAT SWITCH
WB-34
999CSM1-106
HYD. FLUID LEVEL
WE-15
AUX. FILTER ALARM
CHARGE FILTER SW WE-14
ENGINE OIL PRESSURE WE-18
3
ENGINE COOLANT TEMP WE-19
F12
3A
WA-01
10 VDC REGULATED
WA-28
HYD. FLUID TEMPERATURE
WA-35
MAST ANGLE SENSOR
Summary of Contents for 999
Page 1: ...R e f e r e n c e O n l y Service Maintenance Manual Manitowoc 999 ...
Page 2: ...R e f e r e n c e O n l y ...
Page 4: ...R e f e r e n c e O n l y THE ORIGINAL LANGUAGE OF THIS PUBLICATION IS ENGLISH ...
Page 297: ...R e f e r e n c e O n l y ...
Page 298: ...R e f e r e n c e O n l y ...