Panasonic air conditioner CS-E28GKR error code h15

Is the air-conditioner plugged into an extention cord or directly into the wall outlet???

12.11 Freeze Prevention Control 2
• Control start conditions
o During Cooling operation and soft dry operation ? During thermo OFF condition, indoor intake temperature is less than 50°F or ? Compressor stops for freeze prevention control
o Either one of the conditions above occurs 5 times in 60 minutes. • Control contents
o Operation stops
o Timer LED blinks and "H99" indicated
You may need the assistance of a technician. Service manual located here:
http://www.mcaair.com/docs/panasonicac/CS9NKUA%20CS12NKUA%20Service%20Manual.pdf

Check the outdoor fan for proper operation.

Press on/off button continuously for 5 seconds.Helpful?

f-97 out door compressor over heating due to in sufficient refrigerant. Check leak and arres ***. do gas charging.

H-19 Error code means indoor fan mechanism locked. replace fan.

H-11Indoor / outdoor abnormal communication. Check • Internal / external cable connections
• Indoor / Outdoor PCB

F-96. Over heating protection. to solve it-------Check for • Excess refrigerant
• Improper heat radiation
• IPM (Power transistor)

H16 Outdoor Current Transformer open circuit
• Outdoor PCB
• IPM (Power transistor) module
or try this manual page 21

http://www.hetluften.se/contents/sv/Servicemanual_TE9_TE12_DKE.pdf

http://www.aircon.ru/pbc_download/files/f1147680661.pdf its about the memory norefregerant. look at page 47 for error codes