Costan IMPALA Instructions Pour L'utilisateur page 30

Wipe carefully with a soft cloth. Never clean it using inflammable or scouring agents, alcohol, acetone or solvents.
NEVER CLEAN THE DISPLAY CASE BY THE USE OF WATER JETS. Clean glass surfaces using glass-cleaning
products exclusively. The use of water is not recommended here, as it may cause scale to build up.
CAUTION! NEVER WASH OR CLEAN THE UPPER PART OF THE DISPLAY CASE WITH WATER OR LIQUIDS
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.
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