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TROUBLESHOOTING
PROBLEM
Water pump does not engage
Engine will not start
The engine does not turn over
Starter turns over engine, but
will not start
4-15
CAUSE
Solution pump circuit breaker has
been tripped
Defective electrical connection in
the console wiring or defective
switch.
Water pump has not been activated
Defective water pump clutch.
NOTE: The clutch may be manually
set by inserting two 1/4-20 x 1/2
bolts. Line up the holes on the
clutch and insert the bolts. To
disengage the pump, remove the
bolts.
Loose or broken water pump belts.
Main circuit breaker on the control
panel has been tripped.
Loose or corroded battery.
Dead battery.
Defective ignition switch.
Defective starter motor.
Vacuum pump seized.
Waste tank is full.
Engine temperature has exceeded
240°F, triggering the high
temperature switch to shut the unit
down.
Defective fuel pump.
Loose or broken wires leading to
waste tank float switch.
Defective float switch in the waste
tank.
Oil pressure switch (located on
engine), anti-diesel solenoid
(located on engine), high
temperature switch (located on
engine).
EVEREST 980086 02/18/03
SOLUTION
Check the solution pump circuit breaker on
the control panel. Press the ciruit breaker
reset button.
Examine switch, electrical connections, and
wiring. Repair any defective connections. If
there is power going to the switch but not
going out, replace the defective switch.
Turn solution pump switch to on.
If there is power in the switch, but not
power at the clutch, replace the defective
wire. If there is power at the clutch, replace
the defective switch.
Tighten or replace belts.
After inspecting the unit to determine the
cause of the tripped circuit breaker, press
the reset button.
Clean, tighten, or replace the battery
terminals.
Recharge or replace battery.
Test ignition switch for power going into the
switch. If there is power going in but NO
power going out, replace the switch.
Test the starter motor. If necessary replace.
Refer to Sutorbilt Service & Repair Manual.
Empty the waste tank.
Determine the cause of overheating before
restarting the unit. See "Excessive Heating"
in the "Troubleshooting" section of this
manual.
Replace the fuel pump.
Repair or replace any broken electrical
connections.
Check switch for proper operation, replace
as necessary.
Test these components. If any are
defective, replace. Consult the Nissan
Engine Operation and Maintenance Manual.
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