Prochem Blazer XL - Manual (Page 39)

MAINTENANCE
86037390 01/25/08
4-14
PROBLEM CAUSE SOLUTION
Engine is out of gasoline Add gasoline to the fuel tank.
Waste tank is full Empty waste tank.
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.
Defective fuel pump. Replace fuel pump.
Defective float switch inside the
waste tank. Check switch for proper operaton. Replace
as necessary.
Engine stops running
While doing normal cleaning,
the engine stops running
No ignition in the engine or engine
is malfunctioning. Refer to the Briggs & Stratton Engine
Operation and Maintenance Manual.
Flow restriction caused by hard
water scaling.
Descale unit, repair or replace damaged
plumbing components as necessary.
Install water softener.
Excessive heating
Not enough water flow. Check jet size of tool.
Heat exchanger leaks
NOTE: The heat exchanger will
produce water condensation
discharge at times during
normal operation. DO NOT
confuse this with a leak.
Engine/vacuum exhaust heat
exchangers are damaged from
frozen water.
Inspect heat exchangers for leaks. Visually
inspect for damage. Pressure check after
removing from the unit. (Maximum test
pressure 1200 PSI).
Temperature relief valve on water
box is stuck open. Clean temperature relief valve and test.
Replace, if necessary.
Engine RPM is low. Reset engine RPM.
Loss of temperature
The heat output of the unit is
LESS than normal.
Defective temperature gauge.
Test gauge and sensor. Replace failed
component.
Defective waste pump float switch. Replace float switch. *
Broken diaphragm. Replace diaphragm.
Weak battery.
Charge or replace battery if needed.
Check charging station. *
Pump-out circuit breaker on control
panel has been tripped.
After inspecting waste pump to determine
the cause of the tripped circuit breaker,
press the reset button.
Automatic waste pump is
malfunctioning or not operating
normally
* NOTE: When replacing either the pump
or float switch, on Internal (in tank) Pump
out, use new electrical connectors and heat
shrink. Inspect connection for watertight
seal.