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COMMON ERRORS & DIAGNOSIS
TROUBLESHOOTING
ERROR CODE POSSIBLE CAUSES
E1 Coil temperature sensor error
E2 Indoor temperature sensor error
E4 Anti-freezing protection: coil temperature is too low resulting in
appliance powering off. When temperature exceeds 8ºC, the
protection will deactivate & operation will resume.
PROBLEM POSSIBLE CAUSES SOLUTIONS
Aircon not functioning • Appliance not connected to power • Connect appliance to power supply.
supply.
• Display panel shows “FL” • Drain excess water, restart & resume
operation.
• Timer OFF function activated. • Restart 3 minutes after power off.
Aircon starts frequently • Appliance exposed to direct • Draw curtains.
sunlight.
• Doors & windows ajar with too • Close doors & windows & emove heat
many heat sources. source(s).
• Dirty filter screen. • Clean or replace air filter.
• Air inlet/outlet obstructed. • Remove obstruction.
Noisy operation • Appliance placed on uneven • Reposition appliance on even & stable
surface. surface.
Compressor not • Delay protection activated. • Wait 3 minutes for temperature to decrease
functioning & power on.
NOTE: POWER OFF appliance & contact your authorized service agent in case problem still persists
after performing troubleshooting.
The following table lists the common faults and maintenance methods of this
portable aircon series. Contact an authorized service technician if the following
troubleshooting guide does not address the issue(s).
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