– 20 –FORM 34555 (Dec. 2000) PRINTED IN U.S.A.
SYMPTOM POSSIBLE CAUSE
Inadequate rinse or rinse water 1. Dirty line strainer causing reduced water flow. Turn off water supply,
temperature is too low. remove strainer cap, withdraw and clean screen. Reassemble.
2. Low supply line pressure.
3. Excessive mineral deposits throughout wash and rinse system. Deliming
may be necessary.
4. Incoming water temperature to booster (if applicable) below 110°F.
Extend wash cycle from 40 to 60 seconds.
Leaking valve (except solenoid 1. Foreign material preventing proper valve operation. NOTE: A critical
period is soon after installation when pipe compound or metal shavings
may lodge at the valve seat. Shut off supply line. Unscrew and lift
bonnet from valve body. Clean valve and reassemble.
type).
2. If a solenoid valve is malfunctioning, (not opening or not closing) it is
recommended that you contact Service.
No wash tank heat. 1. The machine is equipped with a low water safety device which shuts off
heat if the water level drops. Check for proper water level. If the water
level is too low, the overflow tube might be out of position. Or, something
may be inhibiting free movement of low water float; remove any foreign
object from around low water float magnet.
2. Circuit breaker to machine tripped.
3. Gas line closed.
If a failure occurs due to the gas heat control board or gas pressure, the
reset button, located on the side of the gas burner control box, will pop
out. This completely shuts off the gas heat system. To reset the system,
push the button in. If the system does not reset, contact Service.
No or slow fill. 1. Water supply may be off; make sure water supply valve is open.
2. Dirty line strainer causing reduced water flow. Turn off water supply,
remove strainer cap, withdraw and clean screen. Reassemble.
Dribbling water from lower 1. If equipped with electric booster, normal dripping from the lower rinse
rinse arm. arm will occur during water heating due to expansion of the water. This
will occur once between machine cycles.
2. If water dribbles or leaks continuously from rinse arms on any machine,
refer to Leaking Valve, above.
SERVICE
Contact your local Hobart-authorized service office for any repairs or adjustments needed on this
equipment. If a gas orifice fitting is to be adjusted or replaced, have it serviced by qualified Hobart-
authorized service personnel. Long-term service contracts are available on this and other Hobart
products.