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PROBLEM
Starter turns over engine, but
will not start
Engine stops running
While doing normal cleaning,
the engine stops running
Excessive heating
Heat exchanger leaks
NOTE: The exhaust heat
exchanger will produce water
condensation discharge at
times during normal operation.
DO NOT confuse this with a
leak.
Loss of temperature
The heat output of the unit is
LESS than normal.
Automatic waste pump is
malfunctioning or not operating
normally
NOTE: When replacing either
the pump or float switch, use
new electrical connectors and
heat shrink. Inspect connection
for watertight seal.
CAUSE
Engine is malfunctioning
Engine is out of gasoline
Waste tank is full
Main or engine circuit breaker on
the control panel has been tripped.
Engine coolant temperture has
exceeded 240°F, triggering the high
temperature switch to shut the unit
down.
Defective fuel pump.
Defective float switch inside the
waste tank.
Defective 240°F engine coolant
high-temperature shudown switch.
Oil pressure gauge on engine has
shut down, due to insufficient oil
pressure.
No ignition in the engine or engine
is malfunctioning.
Flow restriction caused by hard
water scaling.
Not enough water flow.
Engine/vacuum exhaust heat
exchangers are damaged from
frozen water.
Temperature relief valve on water
box is stuck open.
Engine RPM is low.
Defective temperature gauge.
Defective waste pump float switch.
Broken diaphragm.
Weak battery.
Pump-out circuit breaker on control
panel has been tripped.
EVEREST 980086 02/18/03
TROUBLESHOOTING
SOLUTION
Refer to Nissan Engine Operation and
Maintenance Manual.
Add gasoline to the fuel tank.
Empty waste tank.
After inspecting the unit to determine the
cause of the tripped circuit breaker, press
the reset button.
Determine the cause of the overheating
before restarting the unit. Refer to the
Nissan Engine Operation and Maintenance
Manual.
Replace fuel pump.
Check switch for proper operaton. Replace
as necessary.
Test switch. If necessary, replace.
Refer to the Nissan Engine Operation and
Maintenance Manual. DO NOT restart the
engine until the cause is determined and
corrected.
Refer to the Nissan Engine Operation and
Maintenance Manual.
Descale unit, repair or replace damaged
plumbing components as necessary.
Install water softener.
Check jet size of tool.
Inspect heat exchangers for leaks. Visually
inspect for damage. Pressure check after
removing from the unit. (Maximum test
pressure 1200 PSI).
Clean temperature relief valve and test.
Replace, if necessary.
Reset engine RPM.
Test gauge and sensor. Replace failed
component.
Replace float switch.
Replace diaphragm.
Charge or replace battery if needed.
Check charging station.
After inspecting waste pump to determine
the cause of the tripped circuit breaker,
press the reset button.
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