10
Troubleshooting
Problem Probable Cause Possible Remedy
Unit not working
● Check fuse or circuit breaker
● Check for correct voltage
● Wiring connections
● Replace blown fuse or reset circuit
breaker
● Supply correct voltage to unit
● Repair and insulate all connections
Pump motor not
operating
● Pump breaker off
● Broken wash timer
● Broken door safety switch
● Wiring connections
● Bad motor starter
● Pump is broken
● Turn on breaker for pump
● Replace timer
● Replace switch
● Repair and insulate connections
● Consult electrician
● Replace pump
Pump motor operates but
has little or no pressure
● Water level is too low
● Pump is rotating backwards
● Pump is broken
● Solution is foaming
● Spray manifolds or filters are
clogged
● Fill water to proper level
● Consult an electrician
● Replace pump
● see below
● clean out
Solution won’t get hot
● Thermostat not set an correct
temperature
● Broken heating element
● Broken thermostat
● Wiring connections
● Adjust thermostat
● Replace heating element
● Replace thermostat
● Repair and insulate connections
Poor cleaning
● Incorrect detergent
● Low detergent concentration
● Hard water
● Clogged nozzles
● Solution is too dirty
● Incorrect solution temperature
● Low pump output
● Use detergent designed for spray
wash cabinet.
● Adjust detergent level
● Use a water softener
● Clean spray nozzles
● Run oil skimmer or change solution
● Adjust thermostat
● See below
Wash table not turning
● Pressure spring missing or broken
● Worn friction drive wheel
● Wiring connections
● Motor windings burned out
● Replace spring
● Replace friction drive wheel
● Repair and insulate connections
● Replace motor
Rust inside cabinet
● Wrong detergent
● Did not follow start up procedure
● Machine used too infrequently
● Remove rust use detergent with
rust inhibitors
● Remove rust, and change solution
using twice the normal detergent
level.
● Remove rust, oil the inside of the
cabinet.
Solution is foaming
● Wrong detergent
● Started wash cycle when solution
was cold.
● Concentration too low
● Use low-foam detergent
● Allow proper time for solution to
heat
● Adjust detergent concentration
● Add de-foamer
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