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Symptom Possible Causes
Unexpected results on
dishes.
1. Etching - usually caused by any combination of high
temperatures, soft water, soft glass, or high alkaline
washing solutions.
2. Tarnishing - avoid washing silver, silver plates, and
pewter in chemical sanitizing machines.
3. Pitting - stainless steel may pit with lengthy contact
of foods containing salt, fruit juices, vinegar, etc.
Wash immediately.
4. Black or gray marks - may have been rubbed with
aluminum.
5. Brown stains - may be due to high iron content in
water supply.
6. Chipping - improper loading or ware is too delicate.
7. Fading of china patterns - usually due to high water
temperature and strong detergent. Check that china
is dishwasher compatible.
8. Wooden ware damage - avoid washing in dishwasher.
9. Rust on cast iron - seasoning is lost in dishwasher.
Avoid washing in dishwasher.
10. Plastic ware distortion - high temperatures. Check
plastic ware's instructions.
Low temperature readings. 1. Low water supply temperature - make sure it meets
the recommended minimum temperature.
2. Rapid cycle use - if incoming water temperature is
low and cycle use rate is high, the hot water supply
may be insufcient to meet the demand.
3. Heavy ware load cools wash water - do not overload
racks.
4. Booster heater or sump heater set low - contact your
local Hobart Service Ofce.
Machine will not ll or will not
ll high enough.
1. Low water pressure - check for clogged hose
strainer; ensure the site water pressure meets
minimum ow pressures.
2. No water ow - main water supply valves may not be
working.
Machine lls too high or
leaks from door.
1. Machine not level. (see LEVELING.)
2. Fill solenoid valve leaking - power the dishwasher
OFF; if water continues to ow into the machine,
contact your local Hobart Service Ofce.
Machine will not drain. 1. Drain pipes restricted - check dishwasher drain line
for kinks; ensure proper drain rate is allowed from
plumbing.
2. Power machine OFF. Wait several seconds and
then power back ON. Repeat this procedure twice
if necessary. If problem persists, contact your local
Hobart Service Ofce.
Some water occasionally drips out
of rinse arms (high temperature
dishwashers only).
This is normal due to expansion of water being heated in
the booster tank.