![Federal 90 Series Troubleshooting Manual Download Page 13](http://html1.mh-extra.com/html/federal/90-series/90-series_troubleshooting-manual_3787664013.webp)
CONDITION
Unit Is Not Heating
Check that the heat switch on.
Check that the thermostat is on high.
Check that the light switch (heat lamps) are on.
Thermometer Not Reading
Correctly
Indicates the approximate temperature of the interior of the case. It does not
indicate food temperature. Actual product temperature can only be
monitored by occasionally probing product with a thermometer probe.
Food Not Held Above 140°F
Check to see that the both shelves are in place and
all
light bulbs are the
proper wattage/voltage and are working as the light bulbs account for
approximately 70% of the heat source for the unit.
(
120V, 60W coated bulbs only
unless otherwise specified 230V)
*** DO NOT CONVERT TO LED BULBS AS THE CASE WILL NOT REACH
TEMPERATURE ***
Unit must be preheated prior to placing product into case.
Product temperature entering the case has to be at least 170°F or hotter.
Adjust thermostat to a warmer setting, especially during peak serving periods
to maintain proper product temperature.
Food Dried Out
Check thermostat, is setting to high, probe product to ensure proper product
temperature.
If equipped, check the humidity element is working and that, there is water in
the humidity pan as it is a manual fill. The humidity element is controlled with
the other heaters in the case with the thermostat. Water for the humidity pan
should be preheated when the unit is
in service, as to not lower the air temperature and affect product temperature.
TEMPERATURE & HUMIDITY ISSUES
CH HOT COUNTERTOP CASE
OPTIONAL TOP OF HYBRID UNIT
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