Module
temperature
increase
protection
□ ★ ★ * 1．Check if there are
seizes in the
compressor
2．。
3．If there are any
damages of power
module
4．Check if the heat
dispersion glue is
even
5．The voltage is too
high (over 242V)or
too low (below
187V)
6．
High
work-intense
protection
★ ★ ★ * 1．Check if the filter net
is blocked
2．The indoor&outdoor
temperature could be
too high
3．Check if the system is
overloaded with air
4．Check if the base
plate is damaged.
5．The voltage is too
high (over 242V)or
too low (below
187V)
CT wire breakage
protection
★ ■ ★ * 1．Check if the base
plate is damaged or
not
2．The system is lack of
air
3．The direction
changing of the
4-way valve is not
proper
* 1．Check if the base plate
is damaged or not
EEPROM
anomaly
★ □ ★
* 1．Check if the base plate
is damaged.
Inner blower fan
anomaly
■ □ ★ *
Explanation
□bright★flashing■
turn-off
* Represents there is this
function
Model:
HSU-12HS03/R2(DB)
HSU-09HS03/R2(DB)Domestic Air Conditioner
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