Caution: This document contains mixed page sizes ... - Cummins Onan

WARNING Accidental or remote starting can
cause severe personal injury or death. Before
removing a housing panel or access door, disconnect
the negative (−) cable at the battery to
prevent the engine from starting.
LOCAL AND REMOTE CONTROL
SWITCHES
Refer to Pages A-1 and A-2 for the control wiring
schematic and harness drawings.
Control Switch Tests
CONTROL
SWITCH S1
RELAYS
K1, K2, K3
Local Control Switch S1: Switch S1 is mounted on
the control panel (Figure 11-3). Unsnap connector
P9, which is accessible through the front access
door. Referring to Figure 11-4, replace the switch if:
• The switch does not close across terminals 2
and 3 when held in the Start position
• The switch does not close across terminals 1
and 2 when held in the Stop position
• The status indicator light does light when
12 VDC is connected across terminals 7 (−)
and 8 (+).
HOUR
METER M1
LINE CIRCUIT
BREAKERS
CB1 & CB2
FIGURE 11-3. CONTROL COMPONENTS
Remote Control Switch: Disconnect remote control
connector J8/P8 and test a remote control
switch (customer supplied) in the same manner as
switch S1 and repair as necessary.
Wiring Harness Tests
If the control switches are good but the Start / Stop
circuit still does not work, test the wiring harness between
the control switches and control board.
Disconnect P1 from the control board (p. 11-1).
• P1-9 should close to P1−27 when the local or
remote switch is held in its Start position.
• P1-32 should close to P1−27 when the local or
remote switch is held in its Stop position.
TERMINALS
SCHEMATIC
FIGURE 11-4. CONTROL SWITCH S1
Replace broken or missing wires and bent or corroded
terminals.
HOUR METER
The hour meter (Figure 11-3) is mounted on the
control panel and is accessible for replacement
through the front access door. It cannot be reset.
11-4