Panasonic CU-XKU24XKT error codes & fixes
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Error codes
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Panasonic CU-XKU24XKT Error Code H99
Panasonic CU-XKU24XKT error code H99 means indoor operating unit freeze protection. This guide explains the likely causes, the safest first checks, and when support or service is the better…
Panasonic CU-XKU24XKT Error Code H98
Panasonic CU-XKU24XKT error code H98 means indoor high pressure protection. This guide explains the likely causes, the safest first checks, and when support or service is the better next st…
Panasonic CU-XKU24XKT Error Code H97
Panasonic CU-XKU24XKT error code H97 means outdoor fan motor mechanism lock. This guide explains the likely causes, the safest first checks, and when support or service is the better next s…
Panasonic CU-XKU24XKT Error Code H85
Panasonic CU-XKU24XKT error code H85 means abnormal communication between indoor and wireless LAN module. This guide explains the likely causes, the safest first checks, and when support or…
Panasonic CU-XKU24XKT Error Code H79
Panasonic CU-XKU24XKT error code H79 means wireless LAN module write error. This guide explains the likely causes, the safest first checks, and when support or service is the better next st…
Panasonic CU-XKU24XKT Error Code H72
Panasonic CU-XKU24XKT error code H72 means abnormality tank temperature sensor. This guide explains the likely causes, the safest first checks, and when support or service is the better nex…
Panasonic CU-XKU24XKT Error Code H71
Panasonic CU-XKU24XKT error code H71 means dC cooling fan inside control board abnormality. This guide explains the likely causes, the safest first checks, and when support or service is th…
Panasonic CU-XKU24XKT Error Code H70
Panasonic CU-XKU24XKT error code H70 means light sensor abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
All fixes for this model
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Panasonic CU-XKU24XKT Error Code H99
Panasonic CU-XKU24XKT error code H99 means indoor operating unit freeze protection. This guide explains the likely causes, the safest first checks, and when support or service is the better…
Panasonic CU-XKU24XKT Error Code H98
Panasonic CU-XKU24XKT error code H98 means indoor high pressure protection. This guide explains the likely causes, the safest first checks, and when support or service is the better next st…
Panasonic CU-XKU24XKT Error Code H97
Panasonic CU-XKU24XKT error code H97 means outdoor fan motor mechanism lock. This guide explains the likely causes, the safest first checks, and when support or service is the better next s…
Panasonic CU-XKU24XKT Error Code H85
Panasonic CU-XKU24XKT error code H85 means abnormal communication between indoor and wireless LAN module. This guide explains the likely causes, the safest first checks, and when support or…
Panasonic CU-XKU24XKT Error Code H79
Panasonic CU-XKU24XKT error code H79 means wireless LAN module write error. This guide explains the likely causes, the safest first checks, and when support or service is the better next st…
Panasonic CU-XKU24XKT Error Code H72
Panasonic CU-XKU24XKT error code H72 means abnormality tank temperature sensor. This guide explains the likely causes, the safest first checks, and when support or service is the better nex…
Panasonic CU-XKU24XKT Error Code H71
Panasonic CU-XKU24XKT error code H71 means dC cooling fan inside control board abnormality. This guide explains the likely causes, the safest first checks, and when support or service is th…
Panasonic CU-XKU24XKT Error Code H70
Panasonic CU-XKU24XKT error code H70 means light sensor abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Panasonic CU-XKU24XKT Error Code H67
Panasonic CU-XKU24XKT error code H67 means nanoe abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Panasonic CU-XKU24XKT Error Code H64
Panasonic CU-XKU24XKT error code H64 means outdoor high pressure sensor abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the bette…
Panasonic CU-XKU24XKT Error Code H59
Panasonic CU-XKU24XKT error code H59 means eco sensor abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Panasonic CU-XKU24XKT Error Code H58
Panasonic CU-XKU24XKT error code H58 means indoor gas sensor abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Panasonic CU-XKU24XKT Error Code H52
Panasonic CU-XKU24XKT error code H52 means left-right limit switch fixing abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the bet…
Panasonic CU-XKU24XKT Error Code H51
Panasonic CU-XKU24XKT error code H51 means ventilation fan motor locked. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Panasonic CU-XKU24XKT Error Code H50
Panasonic CU-XKU24XKT error code H50 means ventilation fan motor locked. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Panasonic CU-XKU24XKT Error Code H41
Panasonic CU-XKU24XKT error code H41 means abnormal wiring or piping connection. This guide explains the likely causes, the safest first checks, and when support or service is the better ne…
Panasonic CU-XKU24XKT Error Code H39
Panasonic CU-XKU24XKT error code H39 means abnormal indoor operating unit or standby units. This guide explains the likely causes, the safest first checks, and when support or service is th…
Panasonic CU-XKU24XKT Error Code H38
Panasonic CU-XKU24XKT error code H38 means indoor/outdoor mismatch (brand code). This guide explains the likely causes, the safest first checks, and when support or service is the better ne…
Panasonic CU-XKU24XKT Error Code H37
Panasonic CU-XKU24XKT error code H37 means outdoor liquid pipe temperature sensor abnormality. This guide explains the likely causes, the safest first checks, and when support or service is…
Panasonic CU-XKU24XKT Error Code H36
Panasonic CU-XKU24XKT error code H36 means outdoor gas pipe temperature sensor abnormality. This guide explains the likely causes, the safest first checks, and when support or service is th…
Panasonic CU-XKU24XKT Error Code H35
Panasonic CU-XKU24XKT error code H35 means indoor/outdoor water adverse current abnormality. This guide explains the likely causes, the safest first checks, and when support or service is t…
Panasonic CU-XKU24XKT Error Code H34
Panasonic CU-XKU24XKT error code H34 means outdoor heat sink temperature sensor abnormality. This guide explains the likely causes, the safest first checks, and when support or service is t…
Panasonic CU-XKU24XKT Error Code H33
Panasonic CU-XKU24XKT error code H33 means indoor/outdoor misconnection abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the bette…
Panasonic CU-XKU24XKT Error Code H32
Panasonic CU-XKU24XKT error code H32 means outdoor heat exchanger temperature sensor 2 abnormality. This guide explains the likely causes, the safest first checks, and when support or servi…
Panasonic CU-XKU24XKT Error Code H31
Panasonic CU-XKU24XKT error code H31 means abnormal swimming pool sensor. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Panasonic CU-XKU24XKT Error Code H30
Panasonic CU-XKU24XKT error code H30 means outdoor discharge pipe temperature sensor abnormality. This guide explains the likely causes, the safest first checks, and when support or service…
Panasonic CU-XKU24XKT Error Code H28
Panasonic CU-XKU24XKT error code H28 means outdoor heat exchanger temperature sensor 1 abnormality. This guide explains the likely causes, the safest first checks, and when support or servi…
Panasonic CU-XKU24XKT Error Code H27
Panasonic CU-XKU24XKT error code H27 means outdoor air temperature sensor abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the bet…
Panasonic CU-XKU24XKT Error Code H26
Panasonic CU-XKU24XKT error code H26 means minus ION abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Panasonic CU-XKU24XKT Error Code H25
Panasonic CU-XKU24XKT error code H25 means indoor ion device abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Panasonic CU-XKU24XKT Error Code H24
Panasonic CU-XKU24XKT error code H24 means indoor heat exchanger temperature sensor 2 abnormality. This guide explains the likely causes, the safest first checks, and when support or servic…
Panasonic CU-XKU24XKT Error Code H23
Panasonic CU-XKU24XKT error code H23 means indoor heat exchanger temperature sensor 1 abnormality. This guide explains the likely causes, the safest first checks, and when support or servic…
Panasonic CU-XKU24XKT Error Code H21
Panasonic CU-XKU24XKT error code H21 means indoor float switch operation abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the bett…
Panasonic CU-XKU24XKT Error Code H19
Panasonic CU-XKU24XKT error code H19 means indoor fan motor mechanism lock. This guide explains the likely causes, the safest first checks, and when support or service is the better next st…
Panasonic CU-XKU24XKT Error Code H17
Panasonic CU-XKU24XKT error code H17 means outdoor suction temperature sensor abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the…
Panasonic CU-XKU24XKT Error Code H16
Panasonic CU-XKU24XKT error code H16 means outdoor current transformer abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the better…
Panasonic CU-XKU24XKT Error Code H15
Panasonic CU-XKU24XKT error code H15 means compressor temperature sensor abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the bett…
Panasonic CU-XKU24XKT Error Code H14
Panasonic CU-XKU24XKT error code H14 means indoor intake air temperature sensor abnormality. This guide explains the likely causes, the safest first checks, and when support or service is t…
Panasonic CU-XKU24XKT Error Code H12
Panasonic CU-XKU24XKT error code H12 means indoor unit capacity unmatched. This guide explains the likely causes, the safest first checks, and when support or service is the better next ste…
Panasonic CU-XKU24XKT Error Code H11
Panasonic CU-XKU24XKT error code H11 means indoor/outdoor abnormal communication. This guide explains the likely causes, the safest first checks, and when support or service is the better n…
Panasonic CU-XKU24XKT Error Code H00
Panasonic CU-XKU24XKT error code H00 means no memory of failure. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Panasonic CU-XKU24XKT Error Code F99
Panasonic CU-XKU24XKT error code F99 means outdoor direct current (DC) peak detection. This guide explains the likely causes, the safest first checks, and when support or service is the bet…
Panasonic CU-XKU24XKT Error Code F98
Panasonic CU-XKU24XKT error code F98 means total running current protection. This guide explains the likely causes, the safest first checks, and when support or service is the better next s…
Panasonic CU-XKU24XKT Error Code F97
Panasonic CU-XKU24XKT error code F97 means compressor overheating protection. This guide explains the likely causes, the safest first checks, and when support or service is the better next…
Panasonic CU-XKU24XKT Error Code F96
Panasonic CU-XKU24XKT error code F96 means power transistor module overheating protection. This guide explains the likely causes, the safest first checks, and when support or service is the…
Panasonic CU-XKU24XKT Error Code F95
Panasonic CU-XKU24XKT error code F95 means outdoor cooling high pressure protection. This guide explains the likely causes, the safest first checks, and when support or service is the bette…
Panasonic CU-XKU24XKT Error Code F94
Panasonic CU-XKU24XKT error code F94 means compressor discharge pressure protection. This guide explains the likely causes, the safest first checks, and when support or service is the bette…
Panasonic CU-XKU24XKT Error Code F93
Panasonic CU-XKU24XKT error code F93 means compressor abnormal revolution. This guide explains the likely causes, the safest first checks, and when support or service is the better next ste…
Panasonic CU-XKU24XKT Error Code F91
Panasonic CU-XKU24XKT error code F91 means refrigerant cycle abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Panasonic CU-XKU24XKT Error Code F90
Panasonic CU-XKU24XKT error code F90 means pFC circuit protection or system/compressor microcomputer communication error. This guide explains the likely causes, the safest first checks, and…
Panasonic CU-XKU24XKT Error Code F87
Panasonic CU-XKU24XKT error code F87 means control box overheat protection. This guide explains the likely causes, the safest first checks, and when support or service is the better next st…
Panasonic CU-XKU24XKT Error Code F18
Panasonic CU-XKU24XKT error code F18 means dry circuit blocked abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the better next st…
Panasonic CU-XKU24XKT Error Code F17
Panasonic CU-XKU24XKT error code F17 means indoor standby units freezing abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the bett…
Panasonic CU-XKU24XKT Error Code F16
Panasonic CU-XKU24XKT error code F16 means total running current protection. This guide explains the likely causes, the safest first checks, and when support or service is the better next s…
Panasonic CU-XKU24XKT Error Code F11
Panasonic CU-XKU24XKT error code F11 means 4-way valve switching abnormality. This guide explains the likely causes, the safest first checks, and when support or service is the better next…
About this model
If your device shows an error code, start with the matching fix page. When a code returns repeatedly, it often points to an underlying cause (temperature, power delivery, sensors, locks, or wear).
Always follow basic safety: unplug before opening anything, and stop if you smell burning or see damage.