26
2) Every month
clean the inside surfaces
following the instructions provided in the preceding item:
3)
Defrost the display case every three months
to let the ice that may have formed between the fins melt. Frost may
otherwise prevent correct operation. Proceed as follows.
· Disconnect the display case from the electrical power supply by the wall main cut-off switch (fig. 17).
· Empty the appliance, store the contents in cold rooms or refrigerators that are adequate for keeping the requisite
preservation temperature.
· Wait until the cold room has reached ambient temperature.
· Clean the inside of the display case thoroughly with mild soap or detergent and lukewarm water. Wipe carefully
with a soft cloth.
· After having carefully checked that the display case is completely dry inside, start the appliance again by the wall
cut-out switch.
· Allow a couple of hours before loading the products back again.
4) Every six months clean the honeycomb in the following way (fig. 16 - page 7):
a) loosen the screws fixing the support;
b) remove the honeycomb;
c) use a jet of hot water (max. 70°C) to remove any dust which may have built-up on honeycomb ducts;
d) dry with a jet of air;
e) replace the honeycomb with great care.
Attention! Disassemble and assemble very slowly, using heavy-duty gloves. It is advisable to have these clea-
ning operations carried out by authorized service personnel.
ANY MAINTENANCE OPERATION NOT INCLUDED AMONG THE FORMER STEPS MUST BE CARRIED OUT BY THE
AUTHORISED AFTER-SALES SERVICE OR BY QUALIFIED PERSONNEL.
CANOPY AND SHELF LIGHTING: canopy and shelf lamps must be replaced by the after-sales service only. Resort to
it if need be.
If you should wish to eliminate shelf lighting, let it be done by the authorised after-sales service.
11. EMERGENCY SITUATIONS
1) The display case will not start or will not keep on working:
• there may be a general black-out;
• the wall main switch may be off.
If power failure is not due to any of the above causes, call the nearest after-sales service immediately, empty
the display case and store the foods in coldrooms or refrigerators that may ensure preservation temperature.
2)
The display case will not cool properly:
• make sure that the product load is correct and the air slots are not covered;
• defrost and clean it before starting normal operation (see chapter 10);
• make sure that the case is not exposed to sources of heat or draught;
• check that the display case is perfectly horizontal by the use of a spirit level. Make certain that ambient conditions
comply with the requirements of page 4.
Should insufficient cooling persist, resort to the nearest after-sales service.
3)
The cabinet operates noisily:
• Make sure that screws and bolts are closed tight;
• Check that the display case is perfectly horizontal by the use of a spirit level.
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