CHAMPION USN10 - Manual (Page 52)

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PART 5: BASIC SERVICE
5.2 General Troubleshooting (Cont.)
CONDITION CAUSE SOLUTION
Insufficient pumped Clogged pump intake screen ................ Clean pump intake screen
spray pressure Clogged spray pipe ............................... Clean spray pipe
Scrap screen full of debris ................... Must be kept clean and in place
Low water level in tank ....................... Check drain valve(s)
Pump motor rotation incorrect Refer to Part 3.3, Start-up Procedure,
Steps 19-20, page 19
Insufficient final rinse Faulty pressure reducing valve ............ Refer to Repair Procedure 5.3.1
or no final rinse Improper setting on pressure ............... Correct pressure setting is 20-22 PSI
reducing valve
Clogged rinse nozzle and/or pipe ........
Clean pipe/nozzles
Clogged line strainer ............................ Clean screen or replace line strainer
Defective solenoid valve ...................... Refer to Repair Procedure 5.3.4
Low final rinse Low incoming water ............................ Increase incoming water temperature
110°F minimum for 70°rise booster
140°F minimum for 40°rise booster
Booster steam supply shut off ............. Turn on steam supply
Booster water supply shut off .............. Turn on water supply
Rinse nozzle missing Replace missing part
Defective final rinse thermostat .......... Refer to Repair Procedure 5.3.10
Defective thermometer ........................ Refer to Repair Procedure 5.3.7
Low steam pressure .............................. Correct steam pressure is 15-30 PSI
Defective steam solenoid valve ........... Refer to Repair Procedure 5.3.4
Defective steam trap ............................ Refer to Repair Procedure 5.3.12
Poor washing results Detergent dispenser .............................. Contact detergent supplier
not operating properly
Insufficient detergents .........................
Contact detergent supplier
Wash water temperature ...................... See condition “Wash Tank
too low Water Temperature is low”
Wash arm clogged ................................ Clean
Improperly scraped dishes ................... Check scraping procedures
Ware improperly placed in rack .......... Use proper racks. Do not
overload racks
Overflow clogged ................................. Check overflow tube
debris not skimmed from tank(s) ........
Wash water not drained at specified ...
Drain tank every two hours
intervals or after each meal period.