Troubleshooting for Dishwashing Machine
Dish racks slide off chain
Change of tension of either chain
Reset idler sprockets to proper tension
on each chain.
Water pressure too low
Spray nozzles or slot plugged. Strainer Dismantle spray assembly. Wash out
baskets plugged. Slipped belts on
all piping and clean parts. Disassemble
and clean strainer. If belts are frayed or
torn, replace them. Adjust tension by
resetting idler pulley or by moving
motor on sliding base
Water splashing on floor or
Leaks around doors; torn curtains or
Realign door. Repair or replace gasket.
into wrong compartment
curtains not in proper position
Repair or realign curtain. Readjust
spray to keep it within limits of tank.
Rinse water temperature is
Insufficient heat from booster heater Remove scale from steam coil. Correct
less than 180°F
leaking fittings. Adjust gas burners.
Calibrate or replace thermostat.
Spot or film on eating utensils
Wash water saturated with grease.
S t o p o p e r a t i o n a n d c l e a n a l l
after final rinse
Dirty tank. Weak sprays in wrong
equipment. Adjust speed of conveyor.
direction. Improper detergent mixture Examine spray equipment. Clean
nozzles, spray pipes, scrap trays, and
strainers. Check piping for leaks.
Check to see if valves are operating
properly. Examine pump. Clean
impellor if necessary