Page | 10
Defrosting
To defrost, complete the following steps:
Remove all products and place in another cabinet.
Turn off the freezer.
Open the outer door and all inner doors.
Let the freezer stand with doors open for at least 24 hours.
This allows both the interior and foamed refrigerant system to warm to room temperature.
Dispose of the ice and wipe out any water standing in the bottom of the cabinet.
If there is freezer odor, wash the interior with a solution of baking soda and warm water. Clean the
exterior with any common household cleaning wax.
Close the doors, restart the freezer and reload.
Trouble Shooting
problem
Cause
Solution
Unit set to –80°C but can’t
make temperature (Not
reaching set point).
Unit recovers slowly to set
point.
Warm load / Over load.
Allow ample time to recover
from loading warm product. Do
not overload cabinet.
Hot environment.
Check, if the location meets
ambient requirements (within
15°C to 30°C and away from hot
objects.
Dirty condenser.
Clean condenser.
Not enough space for air
circulation.
Install the unit in a level area
free from vibration with a
minimum of 30 cm of space on
the both sides.
Icing/Frost due to high relative
humidity
Check if the location meets
requirements. Maximum relative
humidity 60% for temperatures
within 15°C to 32°C
Excess frost build-up in chamber
Defrost the unit
Frost build-up on outer door
gasket.
Occasionally scrape the ice on
the gasket.
Prolonged door openings.
Avoid opening of door for longer
duration. Allow ample time for
recovery after door opening
Inadequate power supply.
Check for proper voltage to the
unit.
Either of the compressors are
not working.
Check and Replace if necessary.
Refrigerant is insufficient
Check and charge if necessary.
Volt & Ampere (Display not
working more than 1 minute
Check the Current Protector
Check the power supply over or
under voltage. If Voltage is
