User Manual
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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.










