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CONDITION CAUSE SOLUTION
A single pump will not run Motor overload tripped ....................... Reset overload in control cabinet
Defective motor Contact your service agency
Low or no water Main water supply is turned off .......... Turn on house water supply
Drain valves are open.......................... Close all drain valves
Doors are not fully closed ................... Close doors
Faulty ll valve ................................... Contact your service agency
Stuck or defective oat switch............ Free oat /Contact service agency
Cross-ow piping misadjusted/
clogged ................................................ Adjust cross-ow setting/Clean piping
Clogged strainer at supply
connection ........................................... Clean strainer screen
PRV misadjusted or defective............. Readjust pressure setting or replace PRV
Continuous water lling Stuck or defective oat switch............ Free oat/Contact service agency
Fill valve will not close....................... Clean valve,repair or replace valve
Drain valves open................................ Close drain valves
Wash/Rinse tank Incoming water temp. Raise incoming temperatureis low
temperature low at machine low..................................... 140°F minimum for 40°F rise booster
110°F minimum for 70°F rise booster
180° F minimum without booster
Defective thermometer ........................ Check or replace
Defective thermostat ........................... Readjust setting or replace
Defective electric heater element ........ Check or replace
Low steam pressure or volume ........... Check steam supply pressure
Defective steam trap............................ Check or replace
Defective solenoid valve ..................... Check or replace
Prewash tank temperature Incoming cold water temperature Lower incoming water temperature
is too high (Optional Cold too high................................................ to maximum of 65°F
Water thermostat Only) Defective cold water thermostat ......... Check or replace
Insufcient pumped spray Clogged pump intake screen ............... Clean
pressure Clogged spray pipe.............................. Clean
Scrap screen full .................................. Must be kept clean and in place
Low water level in tank Check drain valves
Pump motor rotation incorrect ............ Reverse wires L1 and L2 in control cabinet
Defective pump seal ............................ Contact service agency
Insufcient nal rinse or Faulty pressure reducing valve
no nal rinse (PRV) .................................................. Clean or replace
Improper setting on PRV .................... Set Flow pressure to 20-22 PSI
Clogged rinse nozzle or pipe .............. Clean
Improper water line size...................... Installer must change to proper size
Clogged “Y” strainer........................... Clean or replace
Troubleshooting
Troubleshooting