Troubleshooting Guide - Hotsy 1075BE Operator's Manual

SymPTOm
ENGINE WILL
NOT RUN
NO WATER
FROm PRESSURE
NOzzLE
POOR
OR NO
DETERGENT
FLOW
LOW PRESSURE
FROm SPRAy
NOzzLE
UNLOADER VALVE
CyCLES WHEN
TRIGGER GUN IS
OPEN OR CLOSED
BURNER WILL
NOT IGNITE
WHEN TRIGGER
GUN IS OPEN
BURNER
SmOKES OR HAS
OBNOxIOUS ODOR
16
TROUBLESHOOTING
POSSIBLE CAUSES
no fuel
Low battery
Poor battery cable connection
Refer to provided engine manual for additional troubleshooting
Pressure nozzle clogged
Inlet water screen clogged
Pump sucking air
Low detergent level
detergent screen clogged
detergent metering valve not
opening
Pressure nozzle clogged
Inlet clogged
Spray nozzle worn or
incorrect size
Inadequate water supply
Pump sucking air
Air in system
defective unloader valve
Water leak between unloader
valve and trigger gun
no fuel
Adjustable thermostat set too
low
defective pressure switch
electrodes are dirty or out of
adjustment
no Ac generator output
Air bands need to be adjusted
Improper fuel
Hotsy Gas Belt Drive • 8.931-236.0 • REV. 7/13
CORRECTIVE ACTION
Replenish supply.
charge battery.
clean battery terminals and check cables.
clean pressure nozzle.
clean.
Fill the detergent container. check for
loose hose clamps or fittings.
Replenish supply.
clean.
check that handle or knob is not slipping
on shaft.
clean.
clean.
Replace.
Increase water supply.
Fill the detergent container. check for
loose hose clamps or fittings.
Open and close trigger gun several times.
Repair or replace.
check fittings, hose and trigger gun for
leaks. Repair or replace.
Replenish supply.
Raise temperature setting.
Repair or replace.
Refer to Oil Burner Manual provided with
machine.
check Ac generator.
Readjust. Refer to Oil Burner Section
under Installation.
Use kerosene, #1 Grade Home Heating
Oil, #1 or #2 diesel Fuel .
DO NOT USE GASOLINE.