Troubleshooting; Self-Diagnosis - DeLonghi PAC N90E Instruction Manual

NOTE:
NEVER TRANSPORT OR TURN THE APPLIANCE UPSIDE DOWN OR ON ITS SIDE. IF THIS OCCURS, WAIT 6 HOURS BEFORE
TURNING THE APPLIANCE ON, 24 HOURS IS RECOMMENDED. (After the unit has been on its side, oil needs to return to the
compressor to ensure proper function. Without allowing the unit this time (6-24 hours) The unit may function for only a short time,
and then the compressor will break down from lack of oil.)
PROBLEM
The air
conditioning unit does not start.
The air
conditioning unit works for a short
time only.
The air
conditioner works, but does not
cool the room.
Particular odour in the room
The air conditioner does not
operate for about 3 minutes after
turning it on
The alarm light Q comes on

SELF-DIAGNOSIS

The appliance has a self diagnosis system to identify a number of malfunctions. error messages are displayed on the appliance
display.
IF...IS DISPLAYED,
"low Temperature"
...MEANS: room temperature is too low
CAUSE
• no electricity.
• It is not plugged into the outlet.
• The safety device of the plug has
tripped.
• The air exhaust hose has a constric-
tion.
• The air exhaust hose is blocked.
• There are tight bends in the air
exhaust hose.
• Window open.
• The exhaust hose is detached.
• Air filters clogged.
• air purifying filters clogged
• the safety device has tripped
• the tank inside the appliance is full. •
IF...IS DISPLAYED,
"high Temperature"
...MEANS: room temperature is too high
11

Troubleshooting

REMEDY
• Wait.
• plug into the outlet.
• Reset the safety device, if problem
persists contact our toll free
customer service.
• position the exhaust hose correctly.
• Check there are no obstacles.
Obstructing air discharge.
• eliminate the tight bends.
• close the window.
• connect the exhaust hose.
• clean or replace the filter.
• clean or replace the filters.
• wait for three minutes.
empty the tank (see " end of season
operations) on page 10).
IF...IS DISPLAYED,
"Probe Failure"
(sensor damaged)
...MEANS: contact your local customer service
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