TROUBLESHOOTING:
PROBLEM
CAUSE
REMEDY
Low/No spray arm pressure
Impeller clogged
Pump intake tube clogged
Spray arm or spray tips clogged
Low water level
*Remove pump face and clean
impeller
*Remove pump face and push
debris out of pump intake tube
Remove spray arm and clean
(see maintenance table
Fill tank to proper level (see
initial operation)
Wash pump motor runs
continuously
Delime switch is on.
Faulty circuit board.
Motor relay is stuck
Turn delime switch off
*Call for service
Tap on relay see time setting
section for relay location.
Dish washer will not start
Door is open
Run power switch is OFF
No supply voltage
Delime switch is ON
3/8 amp fuse to transformer is
blown
Replace 3/8 amp fuse
Chemical injection bad/poor
(detergent, rinse, sanitizer)
Not enough chemical
Poor chemical flow
Faulty chemical pump motor
No chemical flow
*Adjust pot (time settings)
Replace pump squeeze tube
*Replace chemical pump motor
Product container empty
Leaky/noisy vacuum breaker
Water pressure too low
Water pressure too high
Clean screen (see maintenance
schedule)
Adjust fill pressure (see
installation)
Reduced wash results
Worn spray arm bearing
Washer not level
Tray rails damaged
Replace bearing.
Level with bullet feet (see
installation)
Replace tray rails.
Dish washer will not fresh water fill
Faulty solenoid valve
Y’strainer screen clogged
Water supply line is off
Faulty push button fill switch
Fill level not set correctly
*Call for service
Clean screen (see maintenance
schedule)
Open supply valve
*Call for service
See installation section
Dish washer will not drain
Faulty drain solenoid
Drain ball jammed in drain seat.
Drain/fill fuse is blown
*Call for service
Open machine and lift drain ball.
Replace 2 amp slo blo fuse
Brown stains inside machine
High iron content in water
Delime machine to remove
stains. When complete leave
doors in open position to dry
inside of machine.
Page No. 9
* By authorized personnel only.
(11/01) Revision F, EO 4109 Part No. 9641606
