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SDi Decades Extreme Service Manual www.ecoer.com
May. 2023Manufacturer reserves the right to change specifications or designs without notice.
Possible causes of trouble
The voltage too high or too low
The remote control is powered off
Borken the remote control
The setting temp is higher or lower than the
room’s(cooling/heating)
The ambient temp is too high/low when the mode is
cooling/heating
SILENCE function is activated(optional)
Frosting and defrosting frequently
The power switch is on but fans will not start
The temperature on the display board cannot be
set
Unit is on but the wind is not cold(hot)
Unit runs, but shortly stops
The unit starts up and stops frequently
Unit runs continuously but insufficient
cooling(heating)
Cool can not change to heat
Unit is noisy
Test method / remedy
Inspect connection-tighten
Replace the battery of the remote control
Replace the remote control
Turn off the SILENCE function