Troubleshooting Tips - Nobu AK-20L User Manual

Before calling for service, review the chart below first yourself.
Problem
Unit does not start
Dehumidifier does
not dry the air as it
should
The unit makes a
loud noise when
operating
Frost appears on
the coils
Water on floor
ES, AS, PI or P2
appear in the
display
•
Make sure the dehumidifier s plug is pushed completely
into the outlet.
•
Check the house fuse/circuit breaker box.
•
Dehumidifier has reached its preset level or bucket is full.
•
Water bucket is not in the proper position.
•
Did not allow enough time to remove the moisture.
•
Make sure there are no curtains, blinds or furniture block-
ing the front or back of the dehumidifier.
•
The humidity control may not be set low enough.
•
Check that ail doors, windows and other openings are
securely closed.
•
Room temperature is too low, below 5°C(41°F).
•
There is a kerosene heater or something giving off water
vapor in the room.
•
The air filter is clogged.
•
The unit is tilted instead of upright as it should be.
•
The floor surface is not level.
•
This is normal. The dehumidifier has Auto defrost feature.
•
Hose to connector or hose connection may be loose.
•
Intend to use the bucket to collect water, but the back
drain plug is removed.
•
These are error codes and protection codes. See the
CONTROL PADS ON THE DEHUMIDIFIER section.
19

TROUBLESHOOTING TIPS

What to check