Check for refrigerant being overcharged.
Check the sub-cooling.
Check that the service valves are fully open.
Head Pressure Too Low
Check unit for refrigerant leaks.
Perform pump-down procedure to verify compressor operation.
If equipped, check
if sight glass is flashing or showing low charge.
Low Suction Pressure
Check that evaporator fan motors are working.
Check that the air flow is being directed through the evaporator coil.
(All interior panels and must be in place as well as the evaporator fan
shroud.)
Check that the Evaporator Coil is clear of ice and debris.
High Suction Pressure
Check for refrigerant being overcharged.
Check for refrigeration restrictions.
Perform pump-down procedure to verity compressor operation..
HOT DELI TEMPERATURE & HUMIDITY
ISSUES
Thermometer Not Reading
Correctly
The case is intended to be operated with the rear doors in place, but they
may be removed during peak times. The display will not read accurately
with the rear doors removed for extended periods of time.
Food In Well Not Held Above
140°F
Check to see that the overhead warmers are on. (120V, 60W coated bulbs
only) Press to display current setting – adjust with
(Hours) and
(Minutes).
Well # 1 is from customer view, from left to right. Make sure you are
adjusting the temperature for the proper well.
When pushing the
and
key – the well # and the % of on time of the 6-
minute cycle will be displayed. 0 = 0% (Off) through 9 = 90%
Example: 2 – 6 would be well # 2 from left, customer view – 60% on of the 6-
minute cycle. (216 seconds on / 144 seconds off)
Check that the slots along the front and the rear of the case display floor are
not blocked.
Check that all well cavities must be completely covered with food pans (not
included) from proper operation of case, A variety of pan sizes can be used
from 2” to 6” in depth.
Wells must be preheated prior to placing product into case.
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