
19
English
JH
Outdoor unit · Oil temperature sensor (Th5) system error
L0
Outdoor unit · Inverter system fault
L4
Outdoor unit · Inverter cooler fault
L5
Outdoor unit · Ground circuit for compressor motor, short circuit,
or power unit short circuit
L6
Outdoor unit · Ground circuit for compressor motor, short circuit
L8
Outdoor unit · Compressor overload, compressor motor wire
disconnection
L9
Outdoor unit · Compressor lock
LA
Outdoor unit · Power unit error
LC
Outdoor unit · Transmission error between inverter and outdoor
control unit
or
M1
Central controller: PC board fault
or
M8
Transmission error between central controllers
or
MA
Central controller: Incorrect combination
or
MC
Central controller: Address setting fault
P0
Insufficient gas (thermal storage)
P1
Outdoor unit · Power voltage imbalance, phase loss
P4
Outdoor unit · Power unit temperature sensor error
U0
Pressure drop due to insufficient refrigerant, electric expansion
valve fault, etc.
U1
Reversed or lost phase
U2
Power voltage error, momentary electrical stoppage
U4
Transmission error between indoor unit/BEV unit and outdoor/BS
unit, Transmission error between outdoor unit and BS unit
U5
Transmission error between remote controller and indoor
control unit
U5
Remote controller board fault or remote controller setting fault
U6
Transmission error between indoor units
U7
Transmission error between outdoor units
Transmission error between outdoor unit and ice thermal
storage unit
U7
Transmission error between outdoor units
(cooling/heating batch, low-noise operation)
U8
Transmission error between master remote controller and slave
remote controller (slave remote controller error)
Incorrect combination of indoor unit and remote controller within
a single system (model)
U9
Transmission error between indoor unit/BEV unit and outdoor
unit within a single system
Transmission error between BS unit and indoor unit/BEV unit and
outdoor unit within a single system
UA
Incorrect combination of indoor, BS, and outdoor units within a
single system (model, number of units, etc.)
Incorrect combination of indoor unit and remote controller
(remote controller in question) BS unit connection position fault
UC
Central control group numbers overlap
UE
Transmission error between indoor unit and central controller
UF
Unset system, incorrect settings between BEV unit and
indoor unit
Содержание DCS302C71
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