Gree Trendy Series, Руководство пользователя

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Trendy Series
Module protection:
Handling method:
Check if the voltage between power module P and N is too low and
if the current is too high. In normal condition, voltage between P and
N should be about 370V.
Normal
Abnormal
Temperature of power module is too high,
which causes overheating protection
Protection is still displayed
Whether cylinder of
compressor is stuck
Replace the
compressor
If the unit runs normally after connected
with the new compressor for trial run, the
cylinder of original compressor is stuck
Normal
Abnormal
Measure the three-phase
resistance of compressor
Confirm if there is voltage output and balance of
voltage between any two phases of U, V and W.
Yes
No
Poor radiation, heat exchanger
is dirty
Remove obstructions
and clean
Check power supply circuit of outdoor unit
(if PTC resistance rectifying bridge, reactor, capacitance
etc. is ok).
Replace the outdoor unit
main control board