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Panasonic CS-XKU24XKT device hub

Use this device hub to troubleshoot Panasonic CS-XKU24XKT (Air Conditioner). Start with the most common codes and compare the published fix paths before opening parts.

Air ConditionerCU SeriesF17H70H67H64
Fix pages
81
Error codes
55
Last updated
Apr 17, 2026
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Common troubleshooting themes

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Doors and locks
Temperature and heating
Sensors and readings
Motors and moving parts

Recently updated fixes

Fresh pages first — useful when you’re troubleshooting right now.

Air ConditionerH99
Panasonic CS-XKU24XKT Error Code H99

Panasonic CS-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 next step.

Air ConditionerH98
Panasonic CS-XKU24XKT Error Code H98

Panasonic CS-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 step.

Air ConditionerH97
Panasonic CS-XKU24XKT Error Code H97

Panasonic CS-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 step.

Air ConditionerH85
Panasonic CS-XKU24XKT Error Code H85

Panasonic CS-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 service is the better next step.

Air ConditionerH79
Panasonic CS-XKU24XKT Error Code H79

Panasonic CS-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 step.

Air ConditionerH72
Panasonic CS-XKU24XKT Error Code H72

Panasonic CS-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 next step.

Air ConditionerH71
Panasonic CS-XKU24XKT Error Code H71

Panasonic CS-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 the better next step.

Air ConditionerH70
Panasonic CS-XKU24XKT Error Code H70

Panasonic CS-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 error codes

Pick your code to open the fix page, or use the main search to filter by symptom or keyword.

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F11
Air Conditioner
Panasonic CS-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 step.
1
F16
Air Conditioner
Panasonic CS-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 step.
1
F17
Air Conditioner
Panasonic CS-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 better next step.
3
F18
Air Conditioner
Panasonic CS-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 step.
1
F87
Air Conditioner
Panasonic CS-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 step.
2
F90
Air Conditioner
Panasonic CS-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 when support or service is the better next step.
2
F91
Air Conditioner
Panasonic CS-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.
1
F93
Air Conditioner
Panasonic CS-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 step.
1
F94
Air Conditioner
Panasonic CS-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 better next step.
1
F95
Air Conditioner
Panasonic CS-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 better next step.
2
F96
Air Conditioner
Panasonic CS-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 better next step.
2
F97
Air Conditioner
Panasonic CS-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 step.
1
F98
Air Conditioner
Panasonic CS-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 step.
2
F99
Air Conditioner
Panasonic CS-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 better next step.
2
H00
Air Conditioner
Panasonic CS-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.
2
H11
Air Conditioner
Panasonic CS-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 next step.
2
H12
Air Conditioner
Panasonic CS-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 step.
1
H14
Air Conditioner
Panasonic CS-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 the better next step.
2
H15
Air Conditioner
Panasonic CS-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 better next step.
1
H16
Air Conditioner
Panasonic CS-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 next step.
1
H17
Air Conditioner
Panasonic CS-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 better next step.
1
H19
Air Conditioner
Panasonic CS-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 step.
2
H21
Air Conditioner
Panasonic CS-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 better next step.
1
H23
Air Conditioner
Panasonic CS-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 service is the better next step.
1
H24
Air Conditioner
Panasonic CS-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 service is the better next step.
1
H25
Air Conditioner
Panasonic CS-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.
2
H26
Air Conditioner
Panasonic CS-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.
2
H27
Air Conditioner
Panasonic CS-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 better next step.
1
H28
Air Conditioner
Panasonic CS-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 service is the better next step.
2
H30
Air Conditioner
Panasonic CS-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 is the better next step.
2
H31
Air Conditioner
Panasonic CS-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.
1
H32
Air Conditioner
Panasonic CS-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 service is the better next step.
1
H33
Air Conditioner
Panasonic CS-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 better next step.
1
H34
Air Conditioner
Panasonic CS-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 the better next step.
2
H35
Air Conditioner
Panasonic CS-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 the better next step.
1
H36
Air Conditioner
Panasonic CS-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 the better next step.
1
H37
Air Conditioner
Panasonic CS-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 the better next step.
1
H38
Air Conditioner
Panasonic CS-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 next step.
2
H39
Air Conditioner
Panasonic CS-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 the better next step.
2
H41
Air Conditioner
Panasonic CS-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 next step.
1
H50
Air Conditioner
Panasonic CS-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.
2
H51
Air Conditioner
Panasonic CS-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.
2
H52
Air Conditioner
Panasonic CS-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 better next step.
2
H58
Air Conditioner
Panasonic CS-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.
1
H59
Air Conditioner
Panasonic CS-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.
2
H64
Air Conditioner
Panasonic CS-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 better next step.
2
H67
Air Conditioner
Panasonic CS-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.
2
H70
Air Conditioner
Panasonic CS-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.
2
H71
Air Conditioner
Panasonic CS-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 the better next step.
1
H72
Air Conditioner
Panasonic CS-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 next step.
1
H79
Air Conditioner
Panasonic CS-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 step.
1
H85
Air Conditioner
Panasonic CS-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 service is the better next step.
1
H97
Air Conditioner
Panasonic CS-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 step.
1
H98
Air Conditioner
Panasonic CS-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 step.
1
H99
Air Conditioner
Panasonic CS-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 next step.
1

About this device hub

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.

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