Error Codes Table - Panasonic CS-E24LKES Service Manual

15.4. Error Codes Table

Diagnosis
Abnormality or Protection Control
Display
H00 No memory of failure
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
H25 Indoor E-Ion 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
H34 Outdoor heat sink temperature sensor
abnormality
H36 Outdoor gas pipe temperature sensor
abnormality
Abnormality Protection
Judgement Operation
— Normal operation
After operation for Indoor fan only
1 minute operation can start
by entering into
force cooling
operation
90s after power —
supply
Continuous for 5s —
Continuous for 5s —
— —
Continuous —
happen for 7 times
Continuous for 5s —
Port is ON for 10s —
during E-Ion off
Continuous for 5s —
Continuous for 5s —
Continuous for 5s —
Continuous for 5s —
— —
Continuous for 2s —
Continuous for 5s Heating protection
operation only
56
Problem Check Location
—
• Indoor / outdoor • Indoor / outdoor wire
communication not terminal, indoor /
establish outdoor PCB, indoor /
outdoor connection
wire
• Total indoor • Indoor / outdoor
capability more than connection wire,
maximum limit or less indoor / outdoor PCB,
than minimum limit, specification and
or number of indoor combination table in
unit less than two catalogue
• Indoor intake air • Indoor intake air
temperature sensor temperature sensor
open or short circuit lead wire and
connector
• Compressor • Compressor
temperature sensor temperature sensor
open or short circuit lead wire and
connector
• Current transformer • Outdoor PCB faulty
faulty or compressor or compressor faulty
faulty
• Indoor fan motor lock • Fan motor lead wire
or feedback and connector, fan
abnormal motor lock or block
• Indoor heat • Indoor heat
exchanger exchanger
temperature sensor temperature sensor
open or short circuit lead wire and
connector
— • E-Ion PCB
• Outdoor air • Outdoor air
temperature sensor temperature sensor
open or short circuit lead wire and
connector
• Outdoor heat • Outdoor heat
exchanger exchanger
temperature sensor 1 temperature sensor 1
open or short circuit lead wire and
connector
• Outdoor discharge • Outdoor discharge
pipe temperature pipe temperature
sensor open or short sensor lead wire and
circuit connector
• Outdoor heat • Outdoor heat
exchanger exchanger
temperature sensor 2 temperature sensor 2
open or short circuit lead wire and
connector
• Indoor and outdoor • Indoor and outdoor
rated voltage units check
different
• Outdoor heat sink • Outdoor heat sink
temperature sensor sensor
open or short circuit
• Outdoor gas pipe • Outdoor gas pipe
temperature sensor temperature sensor
open or short circuit lead wire and
connector
—