Panasonic CS-E12NKEW Service Manual

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16.4.21 F90 (Power Factor Correction Protection)
Malfunction Decision Conditions
 During startup and operation of cooling and heating, when Power Factor Correction (PFC) protection circuitry at
the outdoor unit main PCB senses abnormal high DC voltage level.
Malfunction Caused
 DC voltage peak due to power supply surge.
 DC voltage peak due to compressor windings not uniform.
 Faulty outdoor PCB.
Troubleshooting

Panasonic CS-E12NKEW Specifications

General

Type	Air conditioner indoor unit
Built-in display	No
Remotely operated	Yes
Cooling capacity (max)	- BTU/h
Air conditioner functions	cooling, heating
Cooling capacity in watts (max)	3500 W
Heating capacity in watts (max)	4400 W
Cooling energy efficiency (EER, W/W)	3.87
Heating energy efficiency (COP, W/W)	4.04
Indoor unit type	Wall-mountable
Indoor units quantity	1
Outdoor units quantity	0
Noise level (low speed)	20 dB
Noise level (high speed)	42 dB
Noise level (medium speed)	28 dB
Power requirements	AC 230 V

Weight and Dimensions

Dimensions (WxDxH)	870 x 214 x 290 mm