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English
Glossary
Bypass mode: Allows water to re-circulate within pump when the gun
trigger is not pulled.
Chemical hose: Feeds cleaning agents into the pump to mix with the
water. Refer to Chemicals and Cleaning Solvents.
Chemical injection system: Mixes cleaners or cleaning solvents with
water to improve cleaning effectiveness.
CU: Cleaning Units. GPM multiplied by psi. (GPM x PSI = CU)
GPM: Gallons Per Minute. The unit of measure for the flow rate of
water.
PSI: Pounds per Square Inch. The unit of measure for water pressure.
Also used for air pressure, hydraulic pressure, etc.
kPa (kilopascal): Metric pressure measurement. 1 kilopascal equal
1000 pascals.
Quick-connect spray wand: Allows the user to quickly change out
high-pressure nozzles. Refer to Spray Wand Nozzles.
Thermal relief valve: When the temperature inside the pump rises
too high the valve will open and release a gush of water in an effort to
lower the temperature inside the pump. The valve will then close.
Water supply: All pressure washers must have a source of water. The
minimum requirements for a water supply are 20 psi (138kPa) and
5gallons per minute.
Troubleshooting Guide
This section provides a list of the more frequently encountered malfunctions, their causes and corrective actions. The operator or maintenance
personnel can perform some corrective actions, and others may require the assistance of a qualified FNA technician or your dealer.
Problem Code
Motor will not start when switched ON ........................................................................... 1, 11
When unit is switched ON, the motor hums but does not turn on .................................2, 3
The motor stops .............................................................................................................4
No or low pressure (initial use) ........................................................................................5, 6, 7, 8, 9, 10, 12
Will not draw chemicals ..................................................................................................12, 13, 14, 15, 16, 17, 32
No or low pressure (after period of normal use) ..............................................................18, 19, 20
Water leaking at gun/spray wand connection .................................................................21, 22
Water leaking at pump .................................................................................................... 21, 22, 23, 24
Oil leaking at pump .........................................................................................................25, 26, 27, 28, 29, 30, 31
Pump Pulsates ................................................................................................................8
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