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FORM 18241 Rev G (Aug. 2007) PRINTED IN U.S.A.
SERVICE
In the event a gas orifi ce fi tting shall be adjusted or replaced, have it serviced by qualifi ed personnel.
Contact your Hobart service offi ce for any repairs or adjustments needed on this equipment. Long-term
service contracts are available on this and other Hobart products.
SYMPTOM POSSIBLE CAUSE
Machine won't
operate.
Fuse blown or circuit breaker tripped.
Selector Switch is turned OFF.
Check water level in tank.
— Drain overfl ow tube may not be seated.
— Worn or torn O-Ring may cause overfl ow tube not to seat.
Leaking valves. Solenoid valves.
— Contact Service.
Vacuum breaker.
— Foreign material preventing proper valve operation. A critical period is soon
after installation when pipe compound or metal shavings may lodge at the
valve seat. DISCONNECT ELECTRICAL POWER SUPPLY. Shut off water
supply line. Unscrew and lift bonnet from valve body. Clean valve and
reassemble.
No wash tank heat. The low water detector will shut off heat if water level is too low.
— Check water level. The overfl ow tube may not be seated.
Fuse blown or circuit breaker tripped (if equipped with electric heat).
Manual steam valve not open completely (if equipped with steam heat).
Overtemperature protector tripped (gas or electric tank heat only).
— Contact Service.
No fi ll or slow fi ll. Dirty line strainer causing reduced water fl ow.
— Turn off water supply. Remove strainer cap. Withdraw and clean screen.
Reassemble.
UW50 Untensil Washer 208-240/60/3 Page 27 of 112