VWR avantor 471-1307 Manuel D'instructions page 20

FAQ
Fault
The refrigerator does not work
Refrigeration effects are not
apparent, temperature exceeds the
standard
Unit seems to emit too much noise.
Alarm light flashes and alarm buzzer
sounds
Inspect the power supply to make sure it meets the requirement
Inspect the connection between the power plug and the socket
Check the power cord for any obvious damage
Whether the voltage is too low
The unit is loaded with too much warm sample and product
There is a lack of space between stored samples
There might be a direct sunlight or other heat radiation energy
on the refrigerator
The door is opened too frequently
Ambient temperature is too high
Air duct is blocked
Check the installation of the unit to make sure the unit does sit
on a solid floor without vibration
Part of the refrigerator leans against a wall
As a reference, the published sound data is obtained at specific
laboratory condition. It is normal that the actual sound level
in the field differs due to subtle installation and operation
conditions
Warm products have been placed into the unit recently and the
refrigerator has not stabilized yet. The alarm condition will be
automatically corrected once the temperature reaches the set
value
The door is not closed properly
The unit lost power recently and it is in the process of cooling
down
Ambient temperature might exceed the designed range
17
Troubleshooting