Coway CHP-671R/L User Manual

Fault diagnosis
4-16
Coway co., Ltd
 Water level display function (capacitance water level detection equipment)
Function Explanation
1.
Types of water
level detection
sensors
• Lowwaterlevel/mediumwaterlevel/fullwaterlevel/wateroverflowdetection
sensor:capacitanceICused(Chemtronics)
2.
Sensor
detection
conditions
• Ifthewaterlevelsensorinputismaintainedequivalentlyfor3seconds[1secondin
test mode], normal operation is detected
• Ifthewateroverflowsensorismaintainedfor20secondsormore,wateroverflow
is detected
3.
Display
operation
• Wateroverflowdetectionstatus
:WatersensorFND(L1,L2,L3)0.5secondON/OFFperiodicflashing.
• Waterlevelsensormalfunction
- Lowwatermalfunction:LowwaterFND(L1)0.5secondON/OFFperiodic
flashing. L2, L3 FND are off.
- Mediumwatermalfunction:MediumwaterFND(L2)0.5secondON/OFF
periodic flashing. L1, L3 FND are off.
- Fullwatermalfunction:FullwaterFND(L3)0.5secondON/OFFperiodic
flashing. L1, L2 FND are off.
- Dualwaterlevelerror:(Lowwater/mediumwater/fullwater)error+water
overflowerror,lowwater+mediumwaterFND(L1+L2)
0.5 second ON/OFF periodic flashing. L3 FND is off.
- If water overflow is detected 3 times or more, an overflow-related error is
indicated on the display and the related valve stops operating.

Coway CHP-671R/L Specifications

General

Brand	Coway
Model	CHP-671R/L
Category	Water Filtration Systems
Language	English