Friedrich D70D User Manual

Solution

TROUBLESHOOTING

Problem

- 2 -

Possible causes

Dehumidifier
doesn't work

Fan doesn't work

Evaporator is
frosted

Can not
dehumidify or the
dehumidifcation
volume is too low

Loud noise and
vibration

Dehumidification
water overflows

Compressor
doesn't work

Motor is broken

Bad plug or wire is broken

Low voltage

Filter is too dirty

Uneven floor

Low temp and humidity

Refrigerant is leaking

Filter is dirty

Compressor is broken

Still under the 3 min
protection

Electricity shutdown or low
voltage

Sound of flowing water

Micro switch is broken

Drain bucket is broken

Environment temp is too low

Motor or compressor is loose

Repair or replace

Call the local electricity
company

Clean filter

Move to level place or use
blocks

Normal

Detect the leakage and fill with
refrigerant

Clean filter

Repair or replace

Wait until if goes back to
function after 3 min

Wait for electricity to be
restored

Normal, it is the sound when
the refrigerant is flowing

Repair or replace

Stop use temporarily

Tighten screws