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TROUBLESHOOTING
If the unit malfunctions, check out the following before calling for service.
Malfunction Check/Remedy
The chamber is not cooled
at all
㩵 The voltage is too low. (In this case, call an electrician.)
㩵 The breaker is free.
㩵 The fuse is blown.
Sometimes the freezer is not cooled at all for about 5 minutes after
starting-up.
The cooling is poor
㩵 The ambient temperature is too high.
㩵 The door is not shut tightly.
㩵 The inner lid is not installed correctly.
㩵 The set temperature in the controller is not set properly.
㩵 The grille is blocked out.
㩵 The filter is clogged. Clean the filter when the filter check lamp
blinks.
㩵 The freezer is in the direct sunlight.
㩵 There is any heating source near the freezer.
㩵 A rubber cap and insulation for the access port are not set
correctly.
㩵 You put too many unfrozen articles into the freezer compartment.
㩵 Too much frost is accumulated in the chamber.
Alarm test key cannot
actuate the alarm
㩵 The alarm test key does not function when the power switch of
the freezer is OFF.
㩵 When only the buzzer or only the alarm is actuated by the alarm
test key, the unactuated part is out of order, and must be replaced.
Noise
㩵 The freezer is not installed on the sturdy floor.
㩵 There is anything touching the frame.
㩵 The freezer is not leveled with the leveling feet.
㩵 It is the immediately after starting of refrigeration.
The freezer causes larger noise when the chamber temperature is
high because of large load. The noise gets smaller along with
chamber temperature.
CO
2
back-up test switch
does not operate normally
(when the back-up system
is provided)
㩵 The liquid CO
2
cylinder is empty.
㩵 The valve of the liquid CO
2
cylinder is not opened.
㩵 The ambient temperature is too high. In this case, move the
liquid CO
2
cylinder to a cool location.
Inquire at liquid CO
2
suppliers about cylinder check, adjustment,
installation, or move.
Note:
If the malfunction is not eliminated after checking the above items, or the malfunction is not shown in the
above table, contact Sanyo sales representative or agent.