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Keystone KSTAD70B Owner's Manual: Troubleshooting Tips

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TROUBLESHOOTING TIPS

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,P2 and EC
appear in the display
What to check
,
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 blocking the
front or back of the dehumidifier.
The humidity control may not be set low enough.
Check that all 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 code. See the CONTROL
PADS ON THE DEHUMIDIFIER section.
10
10
O
O

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  • John Mar 09, 2018 09:58:
    I have a Keystone dehumidifi​er # KSTAD50B. How do I clean the filter without destroying it?