312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control – V2 – Switch Status Mode

The switch status mode is used to display the “ON” status or “OFF” status of various switches in the machine.

Illustration 1 g00687441
  1. Enter the service mode. Scroll to the above display. Use the keys for direction.

    Illustration 2 g00687447

  1. The above illustration shows the “ID” status of the switch and the respective “ID” numbers. The following table should be used to identify the switch and the display. Highlight the third line. Use the directional keys in order to change the “ID”. The example above shows the pressure switch for the joystick in the ON position.

    Table 1
    Status Of The Switch    
    ID     Switch     Display    
    1     Position of the engine speed dial     “1-10”    
    2
    (If Equipped)        		 Air heater relay
    HEATING during preheating, OFF during NO preheating        		 “HEATING/OFF”    
    3
    ( 318C, 319C, 320C, 321C, 322C, 325C, 330C)        		 Fine swing switch
    Fine in switch ON, OFF in switch OFF        		 “FINE/OFF”    
    4
    ( 322C ONLY)        		 Cranking signal input
    ON when cranking, OFF in switch OFF position.        		 ON/OFF    
    5
    Not in 321C        		 Quick coupler switch
    ON in switch ON position
    OFF in switch OFF position        		 ON/OFF    
    6     One-touch low idle switch
    ON when pressed, OFF when not pressed        		 “ON/OFF”    
    7     AEC mode switch
    ON when pressed, OFF when not pressed        		 “ON/OFF”    
    8     Travel mode switch
    ON when pressed, OFF when not pressed        		 “ON/OFF”    
    9     Travel alarm cancel switch
    ON when pressed, OFF when not pressed        		 “ON/OFF”    
    10     Pressure switch for the joystick
    HIGH PRESS when pressure is generated in the switch circuit. LOW PRESS when pressure is not available        		 “HIGH PRESS/LOW PRESS”    
    11
    ( 312C and 315C have only one pressure switch)        		 Travel pressure switch (left)
    HIGH PRESS when pressure is generated in the switch circuit. LOW PRESS when pressure is not available.        		 “HIGH PRESS/LOW PRESS”    
    12
    ( 319C, 320C, 320C LRR,
    318C, 321C, 325C, 330C)        		 Travel pressure switch (right)
    HIGH PRESS when pressure is generated in the switch circuit. LOW PRESS when pressure is not available.        		 “HIGH PRESS/LOW PRESS”    
    13     Engine oil level switch
    NORMAL when oil level is setting level or higher. LOW LEVEL when the oil level is lower than the setting level.        		 “NORMAL/LOW LEVEL”    
    14     Coolant level switch
    NORMAL when the coolant level is setting level or higher.        		 “NORMAL/LOW LEVEL”    
    15     Hydraulic oil level switch
    NORMAL when hydraulic oil level is setting level or higher. LOW LEVEL when hydraulic oil level is lower than the setting level.        		 “NORMAL/LOW LEVEL”    
    16     Engine oil pressure switch
    HIGH PRESS during engine running. LOW PRESS during a engine stop.        		 “HIGH PRESS/LOW PRESS”    
    17     Return filter switch is clogged
    PLUGGED when clogged. NORMAL when normal.        		 “NORMAL/CLOGGED”    
    18     Air heater controller
    HEATING during preheating. OFF during no preheating.        		 “HEATING/OFF”    
    19     Automatic greasing failure.
    DISABLED for non equipped machine. In equipped machine, NORMAL in normal condition. FAULT when failed.        		 “NOT DISABLED/NORMAL/FAULT”    
    20     Overload switch cancel switch
    ON when pushed. OFF when not pushed.        		 “ALARM CANCEL/OFF”    
    21
    ( 312C and 315C ONLY)        		 Implement pressure switch
    HIGH PRESS when pressure is generated in switch circuit.
    LOW PRESS when pressure is not available.        		 HIGH PRESS/LOW PRESS    
    24
    Aux. tool        		 ATT stem 1 activation status ON when operation status of attachment system is ON. OFF when status is OFF.     “ON/OFF”    
    25
    Aux. tool        		 ATT stem 2 activation status ON when operation status of attachment system is ON. OFF when status is OFF.     “ON/OFF”    
    26
    Aux. tool        		 ATT stem 3 activation status ON when operation status of attachment system is ON. OFF when status is OFF.     “ON/OFF”    
    27
    Aux. tool        		 ATT stem 4 activation status ON when operation status of attachment system is ON. OFF when status is OFF.     “ON/OFF”    
    28     Water separator
    Draining demand
    DISABLED for non-equipped machine. An equipped machine, NORMAL in normal condition. FAULT in draining demand.        		 “NOT DISABLED/NORMAL/FAULT”    
    29     Air cleaner
    Air cleaner switch is PLUGGED when clogged. NORMAL when normal        		 “NORMAL/PLUGGED”    
    30     First fuel filter
    First fuel filter switch is clogged
    DISABLED for non-equipped machines. Equipped machines NORMAL when normal. PLUGGED when clogged.        		 “DISABLED/NORMAL/PLUGGED”    
    31     Second fuel filter
    Second fuel filter switch
    DISABLED for non-equipped machines. NORMAL when normal.
    PLUGGED when clogged.        		 “DISABLED/NORMAL/PLUGGED”    
    32     Special filter switch
    DISABLED for non-equipped machines. NORMAL for normal conditions. PLUGGED when clogged.        		 “DISABLED/NORMAL/PLUGGED”    
    33
    ( 319C, 320C, 320C LRR, 322C, 325C,
    318C, 321C
    330C)        		 Pressure switch for straight travel
    HIGH PRESS when pressure is generated in switch circuit. LOW PRESS when the pressure is not available.        		 “HIGH PRESS/LOW PRESS”