Infinity REU-VRM3237WG / HD250e REU-VRM3237WC - 20 - Issue 1 - 19/05/09 ©Rinnai
4. Main Solenoid Valve (F
1
) Circuit
Check the main solenoid if error indicator “11” is displayed.
a.) Disconnect Main Solenoid connector and measure
resistance between Pink an
d Black.
Normal: 37~43
If normal, proceed to b).
Faulty: Replace Main Solenoid.
b.)
Measure voltage between Pink-Black of Main Solenoid connector.
Normal: DC11~13V
If normal, proceed to Solenoid V
alve F
2
Faulty: Replace PCB.
4b.Solenoid Valve 1 (F
2
) Circuit
Check Solenoid 1 if error indicator “11” is displayed.
a.) Disconnect Solenoid 1 connector and measure resistance between Red and Black.
Normal: 37 ~ 43
If normal, proceed to b).
Faulty: Replace Solenoid 1.
b.) Measure volt
age between Red and Black of Solenoid 1 connector.
Normal: DC 11 ~ 13V
If normal, proceed to Soleno
id Valve 2 (F
3
) Circuit
Faulty: Replace PCB.
4c. Solenoid Valve 2 (F
3
) Circuit
a.) Disconnect Solenoid Valve 2 connector and measure resistance between Orange and
Black.
Normal: 37 ~ 43
If normal, proceed to b).
Faulty: Replace Solenoid Valve 2.
b.)
Measure voltage between Orange and Black of Solenoid Valve connector.
Normal: DC 1H3V
If normal, proceed to Thermal fuse Circuit.
Faulty: Rep
l
ace PCB.
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