Error Code Table - Panasonic CS-E9RKUAW Service Manual

18.3

Error Code Table

Diagnosis Abnormality /
display Protection control
H 0 0 N o m e m o y r
H11 Indoor/outdoor
abnormal
communication
H12 Indoor unit capacity
unmatched
H14 Indoor intake air
temperature sensor
abnormality
H15 Compressor
temperature sensor
abnormality
H16 Outdoor current
transformer (CT)
abnormality
H19 Indoor fan motor
merchanism lock
H23 Indoor heat exchanger
temperature sensor
abnormality
H24 Indoor heat exchanger
temperature sensor 2
abnormality
H27 Outdoor air temperature
sensor abnormality
H28 Outdoor heat exchanger
temperature sensor 1
abnormality
H30 Outdoor discharge pipe
temperature sensor
abnormality
H32 Outdoor heat exchanger
temperature sensor 2
abnormality
H33 Indoor / outdoor
misconnection
abnormality
H36 Outdoor gas pipe
temperature sensor
abnormality
H37 Outdoor liquid pipe
temperature sensor
abnormality
H38 Indoor/Outdoor
mismatch (brand code)
H39 Abnormal indoor
operating unit or
standby units
H41 Abnormal wiring or
piping connection
Abnormality
Judgement
f o a f u l i e r —
After operation for
1 minute
90s after power
supply
Continuous for 5s
Continuous for 5s
—
Continuous
happen for 7 times
Continuous for 5s
Continuous for 5s
Continuous for 5s
Continuous for 5s
Continuous for 5s
Continuous for 5s
—
Continuous for 5s Heating protection
Continuous for 5s Cooling protection
—
3 times happen
within 40 minutes
—
Protection
Problem
operation
N r o m l a o p r e t a o i n
Indoor fan only Indoor/outdoor
operation can communication not establish
start by entering
into force cooling
operation
— Total indoor capability more
than maximum limit or less
than minimum limit, or
number of indoor unit less
than two.
— Indoor intake air temperature
sensor open or short circuit
— Compressor temperature
sensor open or short circuit
— Current transformer faulty or
compressor faulty
— Indoor fan motor lock or
feedback abnormal
— Indoor heat exchanger
temperature sensor open or
short circuit
— Indoor heat exchanger
temperature sensor 2 open
or short circuit
— Outdoor air temperature
sensor open or short circuit
— Outdoor heat exchanger
temperature sensor 1 open
or short circuit
— Outdoor discharge pipe
temperature sensor open or
short circuit
— Outdoor heat exchanger
temperature sensor 2 open
or short circuit
— Indoor and outdoor rated
voltage different
Outdoor gas pipe
operation only temperature sensor open or
short circuit
Outdoor liquid pipe
operation only temperature sensor open or
short circuit
— Brand code not match
— Wrong wiring and connecting
pipe, expansion valve
abnormality, indoor heat
exchanger sensor open
circuit
— Wrong wiring and
connecting pipe, expansion
valve abnormality
76
Check location
—
• Indoor/outdoor wire terminal
• Indoor/outdoor PCB
• Indoor/outdoor connection wire
• Indoor/outdoor connection wire
• Indoor/outdoor PCB
• Specification and combination
table in catalogue
• Indoor intake air temperature
sensor lead wire and connector
• Compressor temperature sensor
lead wire and connector
• Outdoor PCB faulty or
compressor faulty
• Fan motor lead wire and
connector
• Fan motor lock or block
• Indoor heat exchanger
temperature sensor lead wire and
connector
• Indoor heat exchanger
temperature sensor 2 lead wire
and connector
• Outdoor air temperature sensor
lead wire and connector
• Outdoor heat exchanger
temperature sensor 1 lead wire
and connector
• Outdoor discharge pipe
temperature sensor lead wire and
connector
• Outdoor heat exchanger
temperature sensor 2 lead wire
and connector
• Indoor and outdoor units check
• Outdoor gas pipe temperature
sensor lead wire and connector
• Outdoor liquid pipe temperature
sensor lead wire and connector
• Check indoor unit and outdoor
unit.
• Check the indoor/outdoor
connection wire and connection
pipe.
• Indoor heat exchanger sensor
lead wire and connector.
• Expansion valve and lead wire
and connector system.
• Check indoor/outdoor
connection wire and connection
pipe
• Expansion valve and lead wire
and connector
—