A.J. Antunes & Co DFW-150 9100805 - Manual (Page 12)

12 P/N 1010966 Rev. G 08/12
Problem Possible Cause Corrective Action
Unit heats but there is little or no
steam
produced
and/or
the product requires more steaming
than usual. Filter Strainer and/or Spray Tube is restricted. Check and clean the Filter Strainer and Spray Tube
as described in the Maintenance section of this
manual.
Unit is not being cleaned properly (daily/monthly). Clean the unit daily and monthly as described in the
Maintenance section of this manual.
Programming and/or SHO, H2O values were adjust-
ed/changed improperly. Reprogram the SHO and H2O values as described
in the Programming section of this manual.
Insufficient or excessive calcium/mineral deposits on
the Generator Surface. Verify that a thin layer of calcium/mineral deposits
is present on the Generator Surface. Refer to the
Maintenance section of this manual.
Generator Surface is bare. The Generator Surface must have a thin coating of
calcium/mineral deposits for proper steaming. Refer
to the Maintenance section of this manual.
The Water Pump’s rubber hoses are pinched or
kinked. Straighten and reposition the rubber hoses.
Top Cover Gasket is worn and/or cover is out of
adjustment. If noticeable steam escapes around the Top Cover,
replace the gasket and/or adjust the Top Cover
according to the Maintenance section of this
manual.
Generator Diffuser is missing. Install Generator Diffuser or replace if missing.
Generator Surface temperature is too low. Verify that the Generator Surface temperature is
380°F–420°F (193°C–215°C).
Excessive
condensation in
food compartment. Programming and or SHO and H2O values were
adjusted improperly. Reprogram the SHO and H2O values as described in
the Programming section of this manual.
Steam Generator’s surface becomes
flooded (fills with excess water). Insufficient preheat time. Remove excess water from the Generator Surface
and allow the unit to preheat for 30 minutes.
Programming and/or SHO and H2O values were
adjusted or changed improperly. Reprogram the Control Board to the recommended
settings. Refer to the Programming section of this
manual.
The Water Pump and/or its Check Valves are clogged
or damaged. Verify that the Filter is present in the Water Tank.
Disassemble and clean the pump. Replace Check
Valves if damaged.
Improper Daily/Monthly cleaning. Follow the Daily/Monthly cleaning procedures care-
fully.
The Generator Surface temperature is too low. Verify that the Generator Surface temperature is
380°F–420°F (193°C–215°C).
Insufficient or excessive calcium/mineral deposits on
the Generator Surface. Verify that a thin layer of calcium/mineral deposits
is present on the Generator Surface. Refer to the
Maintenance section of this manual.
TROUBLESHOOTING (continued)