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HELLER HPAC12 - Troubleshooting & Error Codes; Error Code Explanations; Problem Resolution Guide; Safety and Professional Contact

HELLER HPAC12
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Error Detection
Error Code
Multi-functional defection
E1
Error of the coil’s temperature sensor
E2
Error of indoor temperature sensor
E4
Anti-frozen protection: temperature of the coil is too low and the A/C is
off. When the temperature increases to 8
, the protection is released
and will start to work again as normal.
Trouble Shooting
Before contacting the retailer for a replacement, check the below first to see if it can solve the problem
Problem
Cause
Solution
The air
conditioner does
not function.
No power supply.
Connect to power supply outlet and switch
on.
“FL” flashes on the display screen
Drain water.
Timer-off is running.
You can turn the unit on three minutes
later.
The air
conditioner
restarts
frequently
In direct sunlight. Close the curtains.
Windows or doors open, lots of
people or there is a heat source in
the room.
Close doors and windows, remove the heat
source.
Dirty filter.
Clean or replace the filter(s).
Air inlet or air outlet blocked.
Remove the blockage.
The unit is too
noisy
Unit stands on an uneven surface.
Place on an even, solid surface (less
vibration).
Compressor is not
working
Self protect of the compressor
Wait for 3 minute and restart again after
the descend of temperature
Caution: Switch off the unit and unplug it immediately if anything abnormal happens. Then
contact a qualified electrician.
Care & Cleaning
To make cleaning easier, you can dismantle some parts of your fan.
Your appliance must be switched OFF via the main power supply and unplugged before proceeding
with any cleaning.
Clean the housing with a soft damp cloth.
Never use flammable or abrasive cleaning agents such as benzene or spirits to clean the appliance.
Never immerse the appliance in water!
It is recommended that you clean the water tank every 2-3 weeks and the flume every week.
Pull out the water tank before cleaning it pull the plastic tube out of the mist cask properly, and
then take out the mist cask and water tank.
Use a dry cloth to clean the mist cask. If there are stubborn stains on the mist cask, use a lightly
dampened cloth with mild detergent.

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