Prochem PERFORMER - ENGINE STOPS RUNNING

TROUBLESHOOTING
PERFORMER 980060 07/01/02
4-19
PROBLEM CAUSE SOLUTION
Defective 285°F high temperature
shutdown switch (located at rear of
exhaust heat exchanger).
Test. If necessary, replace.
Starter turns over engine, but
will not start
Engine is malfunctioning
Refer to Nissan Engine Operation and
Maintenance Manual.
Engine is out of gasoline Add gasoline to the fuel tank.
Waste tank is full Empty waste tank.
Water pressure has dropped below
50 PSI.
Check water supply to your unit. Check
water pump inlet screen in water box.
Check supply hose for kinks.
Water pressure has exceeded
1200 PSI.
Check pressure regulator for proper setting.
Main circuit breaker on the control
panel has been tripped.
After inspecting the unit to determine the
cause of the tripped circuit breaker, press
the reset button.
Solution temperature has exceeded
285°F, causing the unit to shut
down.
Refer to “Excessive Heating” in the
“Troubleshooting” section of this manual.
Engine coolant temperture has
exceeded 240°F, triggering the high
temperature switch to shut the unit
down.
Determine the cause of the overheating
before restarting the unit. Refer to the
Nissan Engine Operation and Maintenance
Manual.
Defective fuel pump Replace fuel pump.
Defective float switch inside the
waste tank.
Disconnect the float switch plugs and
bypass the float switch. If the unit starts,
repair or replace the defective float switch.
Defective 240°F engine coolant
high-temperature shudown switch.
Test switch. If necessary, replace.
Oil pressure gauge on engine has
shut down, due to insufficient oil
pressure.
Refer to the Nissan Engine Operation and
Maintencnade Manual. DO NOT restart the
engine until the cause is determined and
corrected.
285°F solution temperature switch is
defective.
Test switch. If necessary, replace.
Engine stops running
While doing normal cleaning,
the engine stops running
No ignition in the engine or engine
is malfunctioning.
Refer to the Nissan Engine Operation and
Maintenance Manual.
Check instrumentation settings:
Temperature bypass valve is
closed. Temperature control is set
at a high temperature.
If cleaning , make certain that the water
pump switch is in the ON position. Open
the heat bypass valve. Set temperature
control to a lower setting.
Strainer or orifice is bypass manifold
is closed position.
Clean strainer screen and orifice. replace,
if needed.
Defective solenoid-remains in
closed position.
Inspect solenoid for proper operation.
Clean, or replace, if needed.
Bypass valve is completely closed
and unit is left running for a long
period of time without using water.
Open bypass valve and allow system to
cool down.
Defective temperature control or
temperature control microswitch
Inspect temperature control for proper
operation. Repair, or replace, if necessary.
Excessive heating
Flow restriction caused by hard
water scaling.
Descale unit, repair or replace damaged
plumbing components as necessary.
Install water softener.