Troubleshooting - Electrolux EPN12V78HW User Manual

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5. TROUBLESHOOTING

SAFETY PRECAUTIONS
If ANY of the following conditions occurs,
turn off your unit immediately!
The power cord is damaged or
abnormally warm
You smell a burning odor
The unit emits loud or abnormal
sounds
A power fuse blows or the circuit
breaker frequently trips
Water or other objects fall into or out
of the unit
Do not
Contact authorized service provider
immediately!
Common Issues
The following problems are not a
malfunction and in most situations
will not require repairs.
Issue
Unit does not
turn on when
pressing ON/
OFF button
The air
conditioner
turns to FAN
only mode
from COOL
or HEAT
(For cooling
and heating
models only)
mode
Possible Causes
The Unit has a
3-minute protection
feature that prevents
the unit from
overloading. The unit
cannot be restarted
within three minutes
of being turned off.
When indoor
temperature reaches
the temperature setting
on air conditioner, the
compressor will stop
automatically, and the
air conditioner turns to
FAN only mode. The
compressor will start
again when the indoor
temperature rises on
COOL mode or falls on
HEAT mode (For
cooling and heating
models only) to the set
point.
Issue Possible Causes
The indoor In humid regions,
unit emits a large temperature
white mist difference between
the room's air and the
conditioned air can
cause white mist.
Both the When the unit restarts
indoor and in HEAT mode after
outdoor units defrosting, white mist
emit white may be emitted due
mist to moisture generated
from the defrosting
process.
The indoor A rushing air sound
unit makes may occur when
noises the louver resets its
position.
A squeaking sound
may occur after
running the unit in
HEAT mode due
to expansion and
contraction of the
unit's plastic parts.
Both the Low hissing sound
indoor unit during operation:
and outdoor This is normal and is
unit make caused by refrigerant
noises gas owing through
both indoor and
outdoor units.
Low hissing sound
when the system
starts, has just
stopped running, or
is defrosting: This
noise is normal
and is caused by
the refrigerant gas
stopping or changing
direction.
Squeaking sound:
Normal expansion
and contraction of
plastic and metal parts
caused by temperature
changes during
operation can cause
squeaking noises.