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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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