Coway CHP-671R/L, Service Manual, Page: 52 / 74

Fault diagnosis
4-20 Coway co., Ltd
Function Explanation
1.
Temperature
LEVEL setting
function
• Each time the COOL selection switch is pressed (1000 ms or more), changes in the
order of C1/C2/C3 → C1/C2 → C1 → C1/C2/C3.
Compressor control temperature according to temperature LEVEL is as follows.
COOL LEVEL Compressor OFF Compressor ON Remarks
C1/C2/C3
flashing
5.7 °C (123.045 kΩ)
+ 20 minutes delayed
operation
7.8 °C (111.344 kΩ)
Stage 3
[Korean
temperature]
C1/C2 flashing
7.0 °C (115.647 kΩ)
+ 20 minutes delayed
operation
9.5 °C (102.786 kΩ) Stage 2
C1 flashing
9.0 °C (105.224 kΩ)
+ 20 minutes delayed
operation
11.5 °C (93.649 kΩ) Stage 1
• Each time the temperature LEVEL changes, the set mode is immediately saved.
• If power is turned OFF and then ON again, the heater and compressor are
controlled according to the set temperature of the saved temperature LEVEL.
• If the temperature LEVEL setting mode is entered after the temperature LEVEL is
changed, the saved temperature LEVEL is displayed.
• If 15 seconds elapses after the temperature LEVEL setting function operates, the
temperature LEVEL setting function is canceled and normal mode is entered.
Each time the key is pressed, there is an additional 15 second delay.