Panasonic CS-NE9LKE, Service Manual

Page: 52 / 96

52
15.3.
Error Codes Table
Abnormality /
Protection control
Abnormality
Judgement
Protection
operation
Problem Check location
Diagnosis
display
H00 No memory of failure — Normal operation — —
H11 Indoor/outdoor
abnormal
communication After operation for
1 minute Indoor fan only
operation can
start by entering
into force cooling
operation Indoor/outdoor
communication not establish • Indoor/outdoor wire terminal
• Indoor/outdoor PCB
• Indoor/outdoor connection wire
H14 Indoor intake air
temperature sensor
abnormality Continuous for 5s — Indoor intake air temperature
sensor open or short circuit • Indoor intake air temperature
sensor lead wire and connector
H15 Compressor
temperature sensor
abnormality Continuous for 5s — Compressor temperature
sensor open or short circuit • Compressor temperature sensor
lead wire and connector
H16 Outdoor current
transformer (CT)
abnormality — — Current transformer faulty or
compressor faulty • Outdoor PCB faulty or
compressor faulty
H19 Indoor fan motor
merchanism lock Continuous
happen for 7 times — Indoor fan motor lock or
feedback abnormal • Fan motor lead wire and
connector
• Fan motor lock or block
H23 Indoor heat exchanger
temperature sensor 1
abnormality Continuous for 5s — Indoor heat exchanger
temperature sensor 1 open
or short circuit • Indoor heat exchanger
temperature sensor 1 lead wire
and connector
H24 Indoor heat exchanger
temperature sensor 2
abnormality Continuous for 5s — Indoor heat exchanger
temperature sensor 2 open
or short circuit • Indoor heat exchanger
temperature sensor 2 lead wire
and connector
H25 Indoor E-Ion
abnormality Port is ON for 10s
during E-Ion off — —
• E-Ion PCB
H27 Outdoor air temperature
sensor abnormality Continuous for 5s — Outdoor air temperature
sensor open or short circuit • Outdoor air temperature sensor
lead wire and connector
H28 Outdoor heat exchanger
temperature sensor 1
abnormality Continuous for 5s — Outdoor heat exchanger
temperature sensor 1 open
or short circuit • Outdoor heat exchanger
temperature sensor 1 lead wire
and connector
H30 Outdoor discharge pipe
temperature sensor
abnormality Continuous for 5s — Outdoor discharge pipe
temperature sensor open or
short circuit • Outdoor discharge pipe
temperature sensor lead wire and
connector
H33 Indoor / outdoor
misconnection
abnormality — — Indoor and outdoor rated
voltage different • Indoor and outdoor units check
H38 Indoor/Outdoor
mismatch (brand code) — — Brand code not match
• Check indoor unit and outdoor
unit.
H58 Indoor gas sensor
abnormality Continuous for 6
hours — Indoor gas sensor open or
short circuit • Indoor gas sensor
• Indoor PCB
H97 Outdoor fan motor
mechanism lock 2 times happen
within 30 minutes — Outdoor fan motor lock or
feedback abnormal • Outdoor fan motor lead wire and
connector
• Fan motor lock or block
H98 Indoor high pressure
protection — — Indoor high pressure
protection (Heating) • Check indoor heat exchanger
• Air filter dirty
• Air circulation short circuit
H99 Indoor operating unit
freeze protection — — Indoor freeze protection
(Cooling) • Check indoor heat exchanger
• Air filter dirty
• Air circulation short circuit
F11 4-way valve switching
abnormality 4 times happen
within 30 minutes — 4-way valve switching
abnormal • 4-way valve
• Lead wire and connector.
F90 Power factor correction
(PFC) circuit protection 4 times happen
within 10 minutes — Power factor correction
circuit abnormal • Outdoor PCB faulty
F91 Refrigeration cycle
abnormality 2 times happen
within 20 minutes — Refrigeration cycle abnormal • Insufficient refrigerant or valve
close