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MAYCO LS400/LS500 PUMP — OPERATION AND PARTS MANUAL — REV. #6 (09/19/11) — PAGE 21
LS400/LS500 PUMP — DIGITAL READOUT SCREEN
PRIMARY SCREEN
Screen 1
Indicates the various modes of the switch settings.
Monitors engine RPM - Idle speed 900, High speed 2550.
Battery charge indicator - Normal charge 13+ volts.
Indicates electrical malfunction - Refer to Troubleshooting
section.
SECONDARY SCREENS
Screen 2
Displays the position of the VOLUME CONTROL switch by indicating
whether the increase or decrease position is on or off.
Screen 3
Displays the number of hours the engine and pump have
been used and the number of faults the pump has registered.
All three indicators can be reset to zero by the RESET switch
on the control panel.
Screen 4
Displays the number of strokes the main hydraulic cylinders
have gone through. This indicator can be reset to zero by
the RESET switch on the control panel.
LS 400 OFF
0000 ENG RPM
BATTERY 12.5 V
LOW OIL PSI
1
INDICATES
STATUS OF PUMP
( ON OR OFF)
INDICATES
ENGINE RPM
INDICATES
BATTERY
CHARGE
INDICATES
ELECTRIC
MALFUNCTION
FLOW DEC OFF
FLOW INC ON
2
INDICATES VOLUME
SWITCH IS NOT IN
THE - POSITION
INDICATES VOLUME
SWITCH IS IN THE
+ POSITION
E HRS: 00000.0
PMP HRS: 00000.0
FAULTS: 00000000
RESET TO CLEAR
3
INDICATES NO.
OF HOURS
ENGINE HAS
BEEN USED
MESSAGE OR
INSTRUCTION
INDICATES NO.
OF HOURS
PUMP HAS
BEEN USED
INDICATES NO.
OF FAULTS
DETECTED
Screen 5
Displays the ON/OFF electrical signal status of the various
12 volt solenoids (Swing A circuit, Main A circuit, Main B
circuit).
Screen 6
Displays the ON/OFF electrical signal status for the
Proximity Switch A, Proximity Switch B, Engine Fuel
Solenoid, and Unloader Solenoid.
Screen 7
Displays the number of times the main hydraulic cylinders
stroke and the yards per hour output. This indicator can be
reset to zero by the RESET switch on the control panel.
Screen 8
Displays the electrical status of the engine fuel solenoid. To
test the 12-Volt solenoid status, activate with the RESET
switch on the control panel.
STROKE CTR: 0000
PRESS RESET TO
ZERO STROKE CTR
4
INDICATESA
RUNNING
COUNT OF
NO. OF STROKES
MESSAGE OR
INFORMATION
INDICATES
SWING A
CIRCUIT IS OFF
INDICATES
MAIN A
CIRCUIT IS OFF
INDICATES
MAIN B
CIRCUIT IS OFF
SWING A OFF
MAIN A OFF
MAIN B OFF
5
INDICATES
PROXIMITYA
CIRCUIT IS OFF
INDICATES
PROXIMITY B
CIRCUIT IS ON
INDICATES
FUEL SOLENOID
CIRCUIT IS OFF
INDICATES
UNLOADER
CIRCUIT IS OFF
PROX A OFF
PROX B ON
FUEL SOL OFF
UNLOADER OFF
6
INDICATES
THROTTLE
IS ON
INDICATES THE
NUMBER OF
STROKES
INDICATES THE
NO. OF STROKES
PER MINUTE
INDICATES THE
NO. OF YARDS
PER HOUR
THROTTLE ON
STROKES: 20
STROKES/MIN 8.2
YDS/HR 10.7
7
INSTRUCTION
OR MESSAGE
INDICATES THE
FUEL SOLENOID
IS OFF
TO TEST FUEL
SOL PRESS RESET
FUEL SOL OFF
8
Screen 9
Displays the communication status of the (optional) radio
remote control. To activate a new remote control connection,
use the reset switch on the control panel.
INDICATES
THAT RADIO
REMOTE IS ON
IINSTRUCTION
OR MESSAGE
RADIO ADDRESS
COMMUNICATING
PRESS RESET TO
LEARN ANEW ONE
9