Prochem Legend SE AD - Manual (Page 47)

TROUBLESHOOTING
LEGEND SE 980059 07/23/02 4-15
PROBLEM CAUSE SOLUTION
Water pump circuit breaker has
been tripped
If the blue light is OFF, check the water
pump circuit breaker on the control panel.
Press the ciruit breaker reset button.
Defective electrical connection in
the console wiring or defective
switch.
If the blue light is OFF and the water pump
circuit breaker is not tripped, 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.
Water pump has not been activated
Adjust activator arm to assure contact and
activation of the microswitch. If the
microswitch is defective or damage, replace.
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.
If the blue light is ON, check the white wire
which leads from the switch to the clutch. 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.
Water pump does not engage
when the diverter valve is in the
“Heat Exchanger” position
Loose or broken water pump belt. Tighten or replace belt.
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.
Loose or corroded battery.
Clean, tighten, or replace the battery
terminals.
Dead battery. Recharge or replace battery.
Defective ingnition switch.
Test ignition switch for power going into the
switch. If there is power going in but NO
power going out, replace the switch.
Defective starter motor. Test the starter motor. If necessary replace.
Engien Problem.
Refer to Kohler Engine Operation and
Serive Manual.
Engine will not start
The engine does not turn over
Vacuum pump seized. Refer to Sutorbilt Service & Repair Manual.
Waste tank is full. Empty the waste tank.
Water pressure has not reached
50 PSI, triggering the pressure
switch to prevent starting.
Turn water pump switch to the override
position. If the unit shuts back down, refer
to the “Loss of Water Pump Pressure” in the
“Troubleshooting” section of this manual.
Engine temperature has exceeded
285°F, triggering the high
temperature switch to shut the unit
down. Determine the cause of overheating before
restarting the unit. See “Excessive Heating”
in the “Troubleshooting” section of this
manual.
Defective fuel pump. Replace the fuel pump.
Loose or broken wires leading to
waste tank float switch. Repair or replace any broken electrical
connections.
Defective float switch in the waste
tank.
Disconnect the float switch plugs and
bypass the switch. If the unit starts, repair
or replace the defective float switch.
Starter turns over engine, but
will not start
Oil pressure switch (located on
engine), anti-diesel soenoid
(located on engine), high
temperature switch (located on
engine).
Test these components. If any are
defective, replace. Consult the to Kohler
Engine Operation and Serive Manual.