Hydrotech HDS Serie Mode D'emploi page 26

SYMPTOM
Detergent will not siphon.
Water flows back into detergent
container.
Water flows from the nozzle when
the trigger gun is locked in the OFF
position.
Blower motor will not run. (Burner
will not ignite without blower running)
Blower runs, but burner will not
ignite.
26
TROUBLESHOOTING
PROBABLE CAUSE
Detergent strainer is not completely
submerged in detergent solution.
Detergent strainer obstructed.
Detergent hose cut, obstructed or
kinked.
Nozzle assembly is plugged.
Detergent adjusting knob turned to
closed position.
Ball & Spring in detergent strainer
is obstructed.
Trigger gun is malfunctioning.
Generator malfunction.
Burner/Blower motor malfunction.
Belt broken or slipping on generator.
Burner switch is not turned on.
Thermostat knob is OFF.
Trigger gun is closed.
Out of fuel.
Detergent valve is open, but
detergent hose is not completely
submerged in solution. (This causes
safety devices to shut down burner.)
Pressure switch override.
No voltage.
Poor or improper fuel supply.
Fuel pump sucking air.
REMEDY
Check, submerge if necessary.
Inspect, clean or replace.
Inspect, clean or replace.
Clean or replace.
Open adjusting knob. Refer to
"Cleaning w/ Detergents".
Remove, clean or replace.
Repair or replace.
Repair or replace.
Repair or replace.
Adjust or replace as necessary.
Check switch position.
Check thermostat knob position.
Open gun for pressure.
Refuel.
Close valve, or completely
submerge clear vinyl hose into
detergent solution.
Pressure should be over 375 PSI
to allow burner to come on.
Consult Service Department.
Check fuel to ensure it is correct.
Drain tank and filter if necessary
and refill with proper fuel.
Tighten all fuel intake connections.
Eliminate leaks in intake line.
Operator's Manual