CONDITION
CAUSE
SOLUTION
Insufficient pumped
Clogged pump intake screen .........
Clean
spray pressure
Clogged spray pipe ........................
Clean
Scrap screen full .............................
Must be kept clean and in place
Low water level in tank ...................
Check drain-overflow assembly
Pump motor rotation incorrect ........
Reverse connection between L1
and L2 in Control Cabinet
Defective pump seal .......................
Contact Service Agent
Insufficient final rinse
Faulty pressure reducing valve ......
Clean or replace
or no final rinse
Improper setting on pressure .........
Set flow pressure at 20-22 PSI/
reducing valve
138-151.8 kPa
Clogged rinse nozzle and/or ...........
Clean
pipe
Improper water line size .................
Have installer change to
proper size
Clogged strainer in fill valve ...........
Clean or replace
Low final rinse
Low incoming water ........................
Check the booster – be sure the
temperature
temperature
thermostat is set to maintain
180
°
F/82
°
C temperature. Check
valve to be sure it is clean
and operating
Defective thermometer ...................
Check for proper setting or
replace
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” above
Wash arm clogged .........................
Clean
Improperly scraped dishes .............
Check scraping procedures
Ware being improperly ...................
Use proper racks. Do not
placed in rack
overload racks
Improperly cleaned .........................
Unclog wash sprays and rinse
equipment
nozzles to maintain proper
pressure and flow conditions.
Overflows must be open. Keep
wash water as clean as possible.
Heater elements .............................
Clean and delime
have soil/lime buildup
TROUBLESHOOTING
TROUBLESHOOTING
(Cont.)
20
Содержание I-MHM4
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