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protected by a fuse (6.3 A T) which is accessible from the front
panel of the unit.
The control unit is connected by means of a 4-pole plug on the
bottom of the incubator.
Safety lock
The lock in the appliance door is equipped with a safety mechanism.
Locking appliance
► Insert key.
► Turn key anticlockwise by 90°.
► The appliance is locked.
Unlocking appliance
► Insert key (1).
► Turn key clockwise by 90° (2).
► The appliance is unlocked.
Defrosting
When operating at a very cold thermostat setting, the interior rear
wall may ice up.
In this case, the appliance must be defrosted manually.
• Pull out the mains plug!
• Leave the door of the appliance open while defrosting. Defrosted
water collects in an evaporator tray and is evaporated automati-
cally. Attention must be paid that the defrosted water can drain
off freely through the drainage opening in the back panel of the
incubator. The drainage opening should, when necessary be
cleaned with the aid of a suitable device (e.g. bottle brush). After
defrosting mop up the remaining water and clean the appliance.
Do not use any mechanical devices or other artificial aids
for defrosting other than those recommended by the
manufactur er.
Cleaning
Clean the appliance at least twice per year.
Before cleaning always switch off the appliance. Pull out the
mains plug or switch off or unscrew the fuse.
• Clean the inside, equipment and outer walls with lukewarm
water and a little detergent. Do not use abrasive or acid clean-
ers or chemical solvents.
• Ensure that no cleaning water penetrates into the elec trical
components or ventilation grille.
• The dust should be removed from the refrigeration unit and heat
exchanger - metal grid at the back of the appliance - once a year.
• Do not damage or remove the type plate on the inside of the
appliance. It is very important for servicing purposes.
• Important!
The compressor and other parts may still be
hot from operation.
Do not use steam cleaners because of the risk of injury and damage.
TC 710 S / TC 715 G / TC 720 S_1 02/2024
Malfunctions
If a malfunction occurs during operation, check whether it is due
to an operating error.
You may be able to rectify the following faults yourself:
- Appliance does not function:
•
Is the appliance switched on?
•
Is the plug correctly fitted in the mains socket?
•
Is the fuse intact? If necessary, replace with a new 6.3 A (slow).
- Loud running noise:
•
Is the appliance set up firmly on the floor?
•
Does the appliance cause nearby items of furniture or objects
to vibrate? Please note that noises caused by the refrigerant
circuit cannot be avoided.
- Correct display of inside temperature but no regulation to the
temperature setpoint:
•
Is the temperature setting correct (see "Setting the tempera-
ture")?
•
Is the ventilation system working properly?
•
Is the appliance set up too close to a heat source?
If none of the above causes apply and you cannot rectify the fault yourself.
Contact your dealer or supplier, if necessary send in the control unit or
thermostat-controlled incubator for repair (original packing if possible!).
In the event of problems affecting the cooling circuit, please contact
Liebherr Service.
Important
Before undertaking any repair work disconnect plug from
mains! Only trained specialists should work on electrical
devices.
Shutting your appliance down
If your appliance is to be shut down for any length of time, switch
it off and disconnect the plug or switch off or unscrew the fuse.
Clean the appliance and leave the door open in order to prevent
unpleasant smells.
The permissible room temperature for storing the appliance
after decommissioning is between -10°C and +50°C.
Storing the appliance outside this temperature range can
damage the appliance and cause it to malfunction.
The appliance complies with the relevant safety regulations and the
EC directives specified in the EU Declaration of Conformity.
GB
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