Restart; Operating Malfunction; Maintenance; Cleaning - AHT CB 196 Manuel D'utilisation

AHT Cooling Systems GmbH

9.2.2. Restart

See start-up → Chapter 8.

9.3. Operating malfunction

Control element display: (Error code and buzzer):
see → Chapter 4.2
NOTICE
• Material damage and property damage in the event of an
alarm display due to error code/buzzer
► Transfer the products to another unit with the same
temperature class.
► Contact the maintenance service (see → Chapter 10.4).

10. Maintenance

Regular monitoring tasks by operating personnel:
Monitoring tasks
Damage to glass elements
Proper loading with products
Check for dirtying
- Dirtying of the unit
- Food residue and packaging
residue
- Floor (area around the unit)
Breakage of stored glass contai-
ners/packaging glass
Puddle formation in front of/under
unit (condensate, liquids from
damaged packaging)

10.1. Cleaning

Reasons for regular and thorough cleaning (basic cleaning
(basic/main cleaning):
• Assurance of the required hygiene.
► Always keep the inside product compartment in a
clean condition.
• Lowest possible energy consumption.
• Maintain trouble-free operation.
• Extension of the service life of the unit.
Damage to the electrical system and refrigerant
circuit from using a steam and high-pressure cleaner.
Contact with live parts can lead to an electric shock.
Refrigerant can escape and cause an explosive gas/
air mix. Danger of fire from sparking or overloading.
► No steam and high-pressure cleaners may be
used for the basic cleaning (see → Chapter
1.6.2.1).
► Observe the specific cleaning guide for the
main cleaning.
Electrostatic discharges and sparking with combus-
tible refrigerant. Sparks can ignite leaking refrige-
rant in the event of damage/leaks in the refrigerant
circuit. Danger of fire.
► Use a slightly damp cloth or sponge to remove
condensate and for cleaning.
► Do not use any dry cloths or sponges for rubbing
dry (risk of electrostatic charging and sparking).
► Do not operate any electric devices (e.g. wet
vacuum cleaner) inside the refrigeration com-
partment that are not models recommended by
E_379425_1016
Frequency see →
chapter
Ongoing 1.3
Ongoing 9.1
Daily 10.1.1
Daily 9
Daily 1.6.3
3.1
WARNING
WARNING
the manufacturer. Devices with an explosion
protection label (see→ Chapter 1.2) are allowed.
Sharp edges on the unit. Heavy parts of the unit,
cuts to the hands. Hands may be trapped.
► Wear protective gloves for cleaning.
Walking on the surfaces of the unit.
Danger of cuts if the material breaks.
Danger of falling.
Danger if being hit by falling products.
► Never climb on or into the unit when cleaning it.

10.1.1. Basic cleaning

Responsibility:
Operating personnel
Cleaning interval:
Twice a year or alternatively as required (see → Chapter
10 "Checking for dirt".
Timing of the Cleaning
Any time
Cleaning agents:
- Clean water (neutral pH value, low water hardness)
- In the event of major dirtying:
slightly alkaline cleaning agent (e.g. neutral soap and
water) Glass surfaces: watery, neutral and slightly
alkaline glass cleaner (recommended pH value: 5-7)
Reflective cover: stainless steel cleaner
NOTICE
• Material damage from wrong cleaning agent.
► Don't use any cleaners that are abrasive, chemically
aggressive or highly flammable.
Cleaning equipment:
All cleaning equipment must be clean.
For cleaning:
- soft cotton cloth, sponge or microfiber cloth (except for
the reflective cover).
For drying:
- soft, slightly damp cotton cloth.
NOTICE
Material damage from wrong cleaning equipment. Dama-
ge to the surfaces.
► Do not use and hard, pointed objects.
► Do not use any microfiber cloths for the reflective cover.
Cleaning steps:
- Transfer the products to another unit with the same
temperature class.
- Lift and remove the shelf displays (including the price
tag tracks) and bottom plates/bottom displays. Clean
them before putting them back.
Only lift out the bottom plates/bottom displays with the
help of the round opening (see → Fig. 8).
CAUTION
CAUTION
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