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8
D. INSPECTING THE COOKING COMPARTMENT
At the back of the cooking compartment, a drain screen
covers the drain. Refer to Figure 3-3. The screen
prevents large food particles from entering and blocking
the drain line. Any blockage of the drain line or screen
can reduce drainage from the cooking compartment
resulting in reduced cooking performance, equipment
damage, and a hazard to the operator. A blocked or slow
drain may cause:
•
Hot water to collect in the compartment and spill out
when the compartment door opens.
•
Pressure fluctuations in the compartment, resulting in
steam leaks around the door gasket, or compartment
implosion.
•
Reduced convection in the compartment, reducing cooking performance.
Before every steaming operation, inspect the cooking compartment and remove any food scraps of
debris from the racks, walls, and floor of the compartment. Pay particular attention to the drain screen.
(1) DO NOT USE the steamer if water stands in the drain opening. Arrangements must be made
immediately to clean the drain in accordance with the instructions found in the Preventative
Maintenance and Troubleshooting section of this manual.
(2) Remove any food or debris that is blocking the drain or screen.
(3) Be sure the screen covers the drain. The screen prevents large pieces of food from entering and
blocking the drain.
E.
PREHEATING THE STEAMER
Preheating the steamers can help insure that the best productivity and consistent cooking is obtained. To
preheat each steamer, run a cooking cycle of approximately 15 minutes with no food in the cooking
compartments.
NOTE: If using a steamer with a keypad timer, set only a 1 minute cooking time for the purpose of
preheating, since the timer will only begin to countdown once the steamer has reached a
cooking temperature.
•
BEFORE PREHEATING, inspect and clean the compartment. After preheating, the
compartment will be too hot to inspect and clean safely.
F. DESCALING REQUIRED LIGHT FEATURE
When the programmed number of hours have elapsed, the “DESCALE
REQUIRED” light will turn on, indicating that descaling of the steam
generator must be done (See Figure 3-4). More information on this
feature and the descaling procedure can be found in the Maintenance
section of this manual, Section 6, Part A (4), Monthly Maintenance.
Note: Switch does not descale unit, it is just a reminder that steamer
must be descaled every 4-6 weeks.
CAUTION
Steam leaks around the door, cooking compartment flooding,
reduced cooking performance, and compartment implosion
can be caused by a blocked drain or drain screen. Inspect and
clean the drain and drain screen before each use.
Figure 3-3 Compartment Drain Screen
DRAIN SCREEN
Figure 3-4 Descaling
Required Light