en | AHT Cooling Systems GmbH
11 Maintenance
Inspection tasks by operating personnel
Inspection tasks
quency
Proper condition of
Ongoing
appliances
Foreign objects in
Ongoing
goods area
Closed
doors
Ongoing
(device-specific)
Damage to
the glass element/
Ongoing
door
Breakage of stored
Ongoing
glass containers
Correct closing of
night blind
(device-specific)
Correct position of
return air grilles
Puddles in front
of/underneath ap-
pliance (defrosting
water, fluids from
damaged packag-
ing)
Several
Interior temperature
Checking of the
hinges (device-spe-
Ongoing
cific)
Proper loading with
Ongoing
goods
Contamination of
the appliance, in-
cluding glass
Food and packag-
ing residues
Floor (surroundings
of the appliance)
Base tray drain and
monthly
drain sieve
At least
Air conduits
369779_1_1019
Fre-
See →Chapter
Use as intended
(operation)
Use as intended
(operation)
Use as intended
Mechanical haz-
ards
Mechanical haz-
ards (operation)
Mechanical
hazards
Operation
(operation)
Structure and func-
Daily
tion
Structure and func-
Daily
tion
Automatic defrost-
ing
Daily
Mechanical
hazards
Operation temper-
times a
ature display
day
(operation)
Operation
(operation)
Loading
Daily
Cleaning steps
Daily
Cleaning steps
Daily
Cleaning steps
Cleaning steps
once
Main cleaning
every 3
months
11.1 Cleaning
Reasons for regular and thorough cleaning (basic
cleaning/main cleaning):
–
Ensuring the necessary hygiene. Always keep the
goods area in a clean condition.
–
Lowest possible energy consumption.
–
Maintaining trouble-free operation.
–
Extension of the service life of the appliance.
WARNING
Damage to the electrical system and
refrigerant circuit due to the use of
steam and high-pressure cleaners.
Contact with live parts may result in electric
shock.
Flammable refrigerant can escape and cause
an explosive gas/air mixture. Fire hazard due
to sparking or overload.
▪ Do not use steam or high-pressure clean-
ers for basic cleaning.
▪ Follow the instructions for main cleaning.
Electrostatic discharge and spark for-
mation with flammable refrigerant.
On a damaged / leaking refrigerant circuit, sparks
may ignite escaping refrigerant. Fire hazard.
▪ Use a damp cloth or sponge to remove
condensation water.
▪ Do not use dry cloths or sponges to dry
the appliance.
▪ Do not operate any electrical devices (e.g.
wet vacuum cleaners) inside the cooling
compartment that do not correspond to the
design recommended by the manufac-
turer. Appliances with explosion protection
markings (see →Explanation of symbols)
are permitted.
CAUTION
Heavy appliance parts.
Hands may become trapped.
▪ Use protective gloves.
Material bmai trreakage.
Falling hazard. Impact hazard due to the
possibility of falling goods. Cuts.
▪ Do not climb onto or into the appliance.
Low temperature.
Frostbite to skin.
▪ Use protective gloves when cleaning.
For safety when handling glass, see →Mechanical
hazards
Maintenance | 11
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