Overheat
protection for
exhaust
temperature
■ ★ ■ * 1．The system is lack of
air or overloaded
with air
2．The voltage is too
high (over 242V)or
too low (below
187V)
3．The capillary tubes
may be blocked.
4．Check if the sensor or
the controlling base
plate parts are wrong
5．The indoor&outdoor
temperature could be
too high
AC electricity
protection
★ ★ ■ * 1． Check if the system
is overloaded with
air
2． Check if the voltage
is too low(below
187V)
3． Check if the CT or
the base plate parts
are all right
DC electricity
protection
★ ★ □ * 1． Check if there are
seizes in the
compressor
2． Check if there are
damages of the
power modules
3． The voltage is too
high (over 242V)or
too low (187V)
Low power
protection
■ ★ □ * 1．Check if the voltage
is too low
2．Check if the base
plate is damaged.
Outdoor base
plate temperature
temperature
■ ★ ★ * 1．Check if the base
plate is all right
2．The outdoor
environment
temperature could be
too high
Model:
HSU-12HS03/R2(DB)
HSU-09HS03/R2(DB)Domestic Air Conditioner
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