Panasonic CS-HZ25WKE Operating Instructions Manual page 22

Troubleshooting
How to retrieve error codes
If the unit stops and the TIMER indicator blinks, use the remote control to retrieve the error code.
1 Press for
5 seconds
Press for 5
3
seconds to quit
checking
• For certain errors, you may restart the unit for limited operation if there are 4 beeps when operation starts.
Abnormality/Protection control
Diagnostic
display
H 00 No memory of failure
Indoor/outdoor abnormal
H 11
communication
H 12 Indoor unit capacity unmatched
Indoor intake air temperature sensor
H 14
abnormality
Outdoor compressor temperature
H 15
sensor abnormality
Outdoor current transformer (CT)
H 16
abnormality
Outdoor suction temperature sensor
H 17
abnormality
H 19 Indoor fan motor mechanism lock
Indoor fl oat switch operation
H 21
abnormality
Indoor heat exchanger temperature
H 23
sensor 1 abnormality
Indoor heat exchanger temperature
H 24
sensor 2 abnormality
H 25 Indoor ion device abnormality
H 26 Minus ION abnormality
Outdoor air temperature sensor
H 27
abnormality
Outdoor heat exchanger temperature
H 28
sensor 1 abnormality
Outdoor discharge pipe temperature
H 30
sensor abnormality
H 31 Abnormal swimming pool sensor
Outdoor heat exchanger temperature
H 32
sensor 2 abnormality
Indoor/outdoor misconnection
H 33
abnormality
Outdoor heat sink temperature sensor
H 34
abnormality
Indoor/outdoor water adverse current
H 35
abnormality
Outdoor gas pipe temperature
H 36
sensor abnormality
Outdoor liquid pipe temperature
H 37
sensor abnormality
H 38 Indoor/outdoor mismatch (brand code)
Abnormal indoor operating unit or
H 39
standby units
* Some error code may not be applicable to your model. Consult authorised dealer for clarifi cation.
22
TIMER
ON
TIMER
OFF
Diagnostic
display
H 41
H 50
H 51
H 52
H 58
H 59
H 64
H 67
H 70
H 71
H 72
H 85
H 97
H 98
H 99
2 Press until you hear beep
sound, then write down the
error code
Turn the unit off and
4
reveal the error code to
authorised dealer
Abnormality/Protection control
Abnormal wiring or piping connection
Ventilation fan motor locked
Ventilation fan motor locked
Left-right limit switch fi xing abnormality
Indoor gas sensor abnormality
Eco sensor abnormality
Outdoor high pressure sensor abnormality
nanoe abnormality
Light sensor abnormality
DC cooling fan inside control board
abnormality
Abnormality tank temperature sensor
Abnormal communication between
indoor & wireless LAN module
Outdoor fan motor mechanism lock
Indoor high pressure protection
Indoor operating unit freeze protection
F 11 4-way valve switching abnormality
F 16 Total running current protection
Indoor standby units freezing
F 17
abnormality
F 18 Dry circuit blocked abnormality
F 87 Control box overheat protection
Power factor correction (PFC)
F 90
circuit protection
F 91 Refrigeration cycle abnormality
Outdoor compressor abnormal
F 93
revolution
Compressor discharge pressure
F 94
overshoot protection
Outdoor cooling high pressure
F 95
protection
Power transistor module overheating
F 96
protection
F 97 Compressor overheating protection
F 98 Total running current protection
Outdoor direct current (DC) peak
F 99
detection