Coway CHP-671R/L User Manual

Fault diagnosis
Coway co., Ltd
4-17
No.
Sensor status Display (LED) Valve operation
Malfunction
information
Normal
restoration
Low
water
Medium
water
Full
water
Over
Low
water
Medium
water
Full
water
Feed NOS
1 Detected Detected Detected
Not
detected
ON ON ON Close Open Normal - full water
Restored
when error
canceled
2 Detected Detected
Not
detected
Not
detected
ON ON OFF Open Open
Normal - re-purification -
water level increase
3 Detected Detected
Not
detected
Not
detected
ON ON OFF Close Open
Normal - re-purification -
water level decrease
Fullwaterlevel→valve
operation after medium
water level 30 minutes
4 Detected
Not
detected
Not
detected
Not
detected
ON OFF OFF Open Open Normal
5
Not
detected
Not
detected
Not
detected
Not
detected
OFF OFF OFF Open Open Normal
6 Detected
Not
detected
Detected
Not
detected
OFF Blink OFF Close Open
Medium water level
detection malfunction
7
Not
detected
Not
detected
Detected
Not
detected
OFF OFF Blink Close Open
Full water level detection
malfunction
8
Not
detected
Detected
Not
detected
Not
detected
Blink
+
OFF
OFF
+
Blink
OFF Close Open
Low/medium water level
detection malfunction
9
Not
detected
Detected Detected
Not
detected
Blink OFF OFF Close Open
Low water level detection
malfunction
10 Detected Detected Detected Detected
Blink Blink Blink Close Close
Water supply valve
malfunction
Power
reinserted
11
Not
detected
Not
detected
Not
detected
Detected
Water overflow sensor
detection malfunction
12 Detected Detected
Not
detected
Detected OFF OFF Blink Close Close
Full water level /
overflow error (dual error)
13 Detected
Not
detected
Detected Detected
Blink Blink OFF Close Close
Sensor detection
malfunction+
water overflow error
14 Detected
Not
detected
Not
detected
Detected
15
Not
detected
Not
detected
Detected Detected
16
Not
detected
Detected
Not
detected
Detected
17
Not
detected
Detected
Not
detected
Detected
 The #10 error is displayed when it occurs 3 times in total and operation is normal if over/full water level is canceled.
Even 3 times in total can be cleared.

Coway CHP-671R/L Specifications

General

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