Panasonic CS-MZ16ZKE 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.
Press for
1
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.
Diagnostic Abnormality/Protection control
display
H 00 No memory of failure
H 11 Indoor/outdoor abnormal communication
H 12 Indoor unit capacity unmatched
Indoor intake air temperature sensor
H 14
abnormality
Outdoor compressor temperature sensor
H 15
abnormality
Outdoor current transformer (CT)
H 16
abnormality
Outdoor suction temperature sensor
H 17
abnormality
H 19 Indoor fan motor mechanism lock
H 21 Indoor fl oat switch operation abnormality
Indoor heat exchanger temperature sensor
H 23
1 abnormality
Indoor heat exchanger temperature sensor
H 24
2 abnormality
H 25 Indoor ion device abnormality
H 26 Minus ION abnormality
H 27 Outdoor air temperature sensor abnormality
Outdoor heat exchanger temperature
H 28
sensor 1 abnormality
Outdoor discharge pipe temperature sensor
H 30
abnormality
H 31 Abnormal swimming pool sensor
Outdoor heat exchanger temperature
H 32
sensor 2 abnormality
H 33 Indoor/outdoor misconnection abnormality
Outdoor heat sink temperature sensor
H 34
abnormality
Indoor/outdoor water adverse current
H 35
abnormality
Outdoor gas pipe temperature sensor
H 36
abnormality
Outdoor liquid pipe temperature sensor
H 37
abnormality
H 38 Indoor/outdoor mismatch (brand code)
Abnormal indoor operating unit or standby
H 39
units
* Some error code may not be applicable to your model. Consult an authorised dealer for clarifi cation.
22
Press until you hear beep
2
sound, then write down the
error code
Turn the unit off and
4
inform the error code to an
authorised dealer.
Diagnostic Abnormality/Protection control
display
H 41 Abnormal wiring or piping connection
H 50 Ventilation fan motor locked
H 51 Ventilation fan motor locked
H 52 Left-right limit switch fi xing abnormality
H 58 Indoor gas sensor abnormality
H 59 Eco sensor abnormality
H 64 Outdoor high pressure sensor abnormality
H 67 nanoe abnormality
H 70 Light sensor abnormality
DC cooling fan inside control board
H 71
abnormality
H 72 Abnormality tank temperature sensor
H 79 Wireless LAN module write error
Abnormal communication between indoor
H 85
& wireless LAN module
H 97 Outdoor fan motor mechanism lock
H 98 Indoor high pressure protection
H 99 Indoor operating unit freeze protection
F 11 4-way valve switching abnormality
F 16 Total running current protection
F 17 Indoor standby units freezing 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
F 93 Outdoor compressor abnormal revolution
Compressor discharge pressure
F 94
overshoot protection
F 95 Outdoor cooling high pressure protection
Power transistor module overheating
F 96
protection
F 97 Compressor overheating protection
F 98 Total running current protection
F 99 Outdoor direct current (DC) peak detection