Hobart LX18H, LX18C, LX40C, LX30H, LX30C manual Symptom, Possible Causes, Unexpected results on

SYMPTOM		POSSIBLE CAUSES
Unexpected results on	1.	Etching — usually caused by any combination of high
dishes.		temperatures, soft water, soft glass, or high alkaline washing
		solutions.
	2.	Tarnishing — avoid washing silver, silver plate 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
		dishwasher cleaning.
	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 limits.
	2.	Rapid cycle use — if incoming water temperature is low and
		cycle use rate is high, the hot water supply may be insufficient
		to meet the demand.
	3.	Heavy ware load cools wash water — do not overload racks.
	4.	Booster heater or sump heater set low — set for higher value on
		LX40H; call Hobart Service Technician for LX18H and LX30H.
Machine won't fill or won't	1.	Low water pressure — check for clogged hose strainer; check that
fill high enough.		site water pressure meets minimum flow pressures.
	2.	Make sure probes are clean (see Cleaning, page 22).
	3.	No water pressure — main water supply valves may not be
(LX18, LX30 display shows		working.
"E0," "E2," "E3," or "E4".	4.	Drain valve open — turn machine OFF to drain machine, then
LX40 display shows		ON. Repeat twice (this assists in clearing any drain valve
"DR1 PRBLM," "FILL1		obstructions). Wait for machine to reach READY mode and
PRBLM," FILL2 PRBLM,"		press WASH. Slowly open door several seconds later and note
or "FILL3 PRBLM".		water level. Close door; 30 seconds later, open door slowly and
Machine will not run.)		check that water level is the same as it was. If not, repeat the
		OFF-ON procedure. If problem persists, call your local Hobart
		Service Office.
	5.	Delime machine.
Dishwasher makes noises	Drain valve — this is normal; the drain valve operates several times
after it drains when it is	to ensure it remains clear of obstructions.
turned off.

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