Panasonic CS-E7NKEW User Manual

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16.4.18 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry)
Error Code will not display (no Timer LED blinking) but store in EEPROM
Malfunction Decision Conditions
 Freeze prevention control takes place (when indoor pipe temperature is lower than 2°C)
Malfunction Caused
 Air short circuit at indoor unit
 Clogged indoor unit air filter
 Dust accumulation on the indoor unit heat exchanger
 2/3 way valve closed
 Faulty indoor unit fan motor
 Refrigerant shortage (refrigerant leakage)
 Clogged expansion valve or strainer
 Faulty indoor pipe temperature sensor
 Faulty indoor unit PCB
Troubleshooting

Panasonic CS-E7NKEW Specifications

General

Indoor unit type	Wall-mountable
Indoor units quantity	1
Indoor unit dimensions (WxDxH)	870 x 214 x 290 mm
Timer	Yes
Built-in display	No
Cooling capacity (max)	- BTU/h
Air conditioner functions	cooling, heating
Cooling capacity in watts (max)	2050 W
Heating capacity in watts (max)	2800 W
Cooling energy efficiency (EER, W/W)	4.36
Heating energy efficiency (COP, W/W)	4.41
Outdoor units quantity	0
Noise level (low speed)	20 dB
Noise level (high speed)	37 dB
Noise level (medium speed)	24 dB
Power requirements	AC 230 V