Troubleshooting - Phcbi MDF-DU302VX Manual Del Usuario

TROUBLESHOOTING

If the unit malfunctions, check out the following before calling for service.
<Attention>
If the malfunction is not resolved after checking the following items or if the malfunction is not shown in
the table below, contact our sales representative or agent.
Malfunction
Nothing operates even
when the power supply
plug is plugged in
The compressor does not
operate at all when turning
ON the power switch.
(LCD touch panel is turned
ON)
The alarm is activated
during operation
Excessive noise
The chamber does not
get cold enough
The outside of the unit is
wet with condensation.
There is excessive noise
from the motor or the
sound of flowing liquid.
Note:
·Keep an electric product which emits an electromagnetic wave away from this unit. A noise from an
electromagnetic wave may cause malfunction to this unit.
□ The unit is not connected to the power supply properly.
□ The capacity and voltage of the power supply is not sufficient.
□ There is a power failure.
□ The circuit breaker on the supply circuit is activated.
□ The fuse on the supply circuit is blown.
□ The capacity of power supply is not sufficient. When the capacity of
power supply is not sufficient to start the compressor, compressor may
not start.
□ The chamber temperature setting has been changed.
□ The door has been kept open for a long time.
□ Containers with a high temperature (load) have been put in the
chamber.
□ The floor is not stable.
□ The installation site is not level.
□ The freezer is tilted.
□ The cabinet is touching the surrounding wall.
□ Warm material has been put in the chamber.
□ The door is frequently opened.
□ The set value of the chamber temperature is lower than -86
temperature settable range is between -90
temperature control range is between -86
□ The unit is in direct sunlight.
□ The ventilation around the unit is blocked.
□ There is a nearby heat source.
□ The ambient temperature is too high.
□ There are too many items stored inside the chamber.
□ The access port is not covered.
→ The access port should be covered with insulation and rubber caps
when not in use.
□ The door seal is damaged.
→ If it is damaged, contact our sales representative or agent for
replacement.
□ A foreign substance is located between door gaskets.
In case of sultriness or bad location, the exterior of the unit may be wet
with dew. Under a high humidity environment, the cold exterior of the
unit condenses the moisture in the air, so that it is not malfunction. Wipe
the dew with a dry cloth.
As a result of the nature of the cooling circuit, the sound of the motor or
of flowing refrigerant may be heard during operation. In particular, a few
hours after starting operation, the sound of the compressor or of flowing
refrigerant may be loud. However, this is part of the normal operation.
Check/Remedy
o
C~-50
o C~-50 o C.
o C. The
o
C. However, the
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