Hotsy HSS-102589E, Operator'S Manual

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Hotsy HSS • #8.914-412.0 • Rev. 10/11
PRESSURE
W
ASHER
Tr
oub
leshooting Guide
20
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
OIL DRIPPING Oil seal worn Check and replace if necessary.
EXCESSIVE
VIBRATION IN
DELIVERY LINE Irregular functioning of the valves Check and replace if necessary.
DETERGENT NOT
DRAWING
Air leak Tighten all clamps. Check detergent
lines for holes.
Restricter in float tank is missing Replace restricter. Check for proper
orifice in restricter.
Filter screen on detergent
suction hose plugged Clean or replace.
Dried up detergent plugging metering
valve Disassemble and clean thoroughly.
High viscosity of detergent Dilute detergent to specifications.
Hole in detergent line(s) Repair hole.
Low detergent level Add detergent, if needed.
PUMP RUNNING
NORMALLY BUT
PRESSURE LOW
ON INSTALLATION
Pump sucking air Check water supply and possibility
of air seepage.
Valves sticking Check and clean or replace if necessary.
Nozzle incorrectly sized Check and replace if necessary
(See serial plate for proper size).
Unloader valve seat faulty Check and replace if necessary.
Worn piston packing Check and replace if necessary.
BURNER MOTOR
WILL NOT RUN Fuel pump seized Replace fuel pump.
Burner fan loose or misaligned Position correctly, tighten set screw.
Defective control switch Replace switch.
Loose wire Check and replace or tighten wiring.
Defective burner motor Replace motor.
RELIEF VALVE
LEAKS WATER
Relief valve defective Replace or repair.