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– 15 –
SYMPTOM POSSIBLE CAUSE
Continuous Rinse
Operation (on
machines equipped
with Photoelectric
Sensor Rinse, Figs. 27,
36.)
1.
2.
4.
Photoelectric sensors are blocked. Clean sensor openings (Fig. 27).
Remove side panels from load end of machine adjacent to pre-wash
chamber. With machine power on, verify indicators on upper sensor
(Fig. 36) flash on and off when blocking and unblocking the upper
sensor. Start machine running; verify lower sensor indicator (Fig. 36) is
flashing when conveyor is running. Some conveyor configurations only
have the upper sensor. If either indicator does not flash, contact
Hobart Service to replace sensors.
Rinse valve failed or jammed open. Contact Hobart Service.
No Wash Tank Heat. 1.
2.
3.
4.
5.
The machine is equipped with low water safety devices which shut off
heat if water level drops. Check for proper water level.
Circuit breaker to heat system tripped.
Check heat float for debris and free movement.
Steam supply valve not open completely.
Overtemp protector tripped. Contact Hobart Service.
No Fill or Slow Fill. 1.
2.
3.
4.
Dirty line strainer (Fig. 37) causing reduced water flow. Turn off water
supply, remove strainer cap, withdraw and clean screens.
Make sure doors are closed.
Check both upper and lower fill floats for debris and free movement.
Problem with solenoid valve. Contact Hobart Service.
PL-41182-1
LINE STRAINER
Fig. 36 Fig. 37
SERVICE
Contact your local Hobart-authorized service office for any repairs or adjustments needed on this
equipment. Long-term Maintenance contracts are available on this and other Hobart products.
PL-41435-1
UPPER SENSOR IS ALWAYS PRESENT.
LEFT GREEN LIGHT INDICATES
POWER IS ON.
RIGHT AMBER LIGHT IS OFF
WHEN OPENING IS BLOCKED, AND
ON WHEN OPENING IS CLEAR.
LOWER SENSOR IS NOT ALWAYS
PRESENT.
LEFT GREEN LIGHT INDICATES
POWER IS ON.
RIGHT AMBER LIGHT MAY BE
BLOCKED BY CONVEYOR
FLIGHT LINK, AND IS ON
WHEN OPENING IS CLEAR.