Coway CHP-671R/L - Page 45

Fault diagnosis
Coway co., Ltd
4-13
Function Explanation
1.
Compressor
control
function
• FNDdisplaycontrolspecificationsaccordingtocoldwatertemperatureareas
follows.
- ON/OFF control specifications according to the COOL segment's temperature
are as follows.
COOL Segment ON OFF
C3 5.7°C(123.045kΩ) 7.8°C(111.344kΩ)
C2 9.0°C(105.224kΩ) 11.5°C(93.649kΩ)
C1 Always ON
- Temperaturedetectionrange:0°C~55°C(163.0kΩ~15kΩ)
2.
Cold water
temperature
sensor error
display feature
• ColdwatertemperaturesensorOPEN
- FND's C3 flashes in cycles of 1 second ON / 1 second OFF. C1/C2 are off.
- Compressor output is OFF.
• Coldwatertemperaturesensorshort
- FND's C3 flashes in cycles of 1 second ON / 1 second OFF. C1/C2 are off.
- Compressor output is OFF.
• Coldwatertemperaturesensorovercooling
- If the cold water temperature sensor detects 1 °C or less, the compressor stops
operating. C1/C2/C3 flash on the display.
• Duringcoldwatertemperaturesensoropenorshort,theassociatedactionoccurs
after a 1 second delay.
• Ifthecoldwatertemperaturesensorisoperatingnormally,theFNDdisplayand
compressor operate according to water level and cold water temperature.
The compressor starts 5 minutes after the point at which it had stopped.
3.
Compressor,
heater
differential
control function
• Ifthecompressorandheateroperateatthesametime,theymustoperateat
1 second intervals.