Is it displayed under picture?
- 26 -Disconnect CON7 and
measure the valve.
Is resistance value between
pins 19&20 of CON7 as
below? (WH to WH)
Yes
R1 Sensor Error
Is the connection loose ?(CON7)
If the same situation appears,
replace main PCB
Otherwise, explain to the customer!
No
Yes
Test Point
Result
Pin19to Pin20
6 ~ 300 ㏀
Reconnect
Reconnect CON7 and Power ON
Power Off
Tip : To protect of MICOM
No
Yes
Main PCB
WH
WH
R1-Sensor
CON7
19
20
Wiring diagram
换
R1Sensor
Pin19
Pin20
- 36 -