Dometic DMR702-D - Testing the Gas Valve for Resistance; Replacing the Gas Valve

38
EN
Service Procedures Americana and New Generation Refrigerators
8.19 Testing the Gas Valve for
Resistance
19 Testing the Gas Valve Solenoid
q
Blades
w
Gas Valve Solenoid
1. Perform the steps in “Replacing the Gas Valve” on
page 38 to remove the gas valve.
2. Set the multi-meter to the Ohms resistance setting.
3. Attach the leads of the multi-meter to the blades of
the gas valve solenoid.
The reading should be between 44–60Ohms. If the
reading is out of specification, it indicates a faulty gas
valve solenoid.
I
Consult the operating manual for the multi-meter
for specific device function.
8.20 Replacing the Gas Valve
q
w
e
20 Accessing the Gas Valve
q
Gas Valve
e
Nut
w
Burner Assembly
r
Screws
1. Disconnect the unit from all power sources (120VAC
and 12VDC).
2. Disconnect the wiring to the gas valve solenoid.
3. Turn off the LP gas supply to the refrigerator.
4. Remove the nut and screws securing the gas valve to
the burner housing.
5. Pull the defective gas valve away from the burner
housing.
6. Perform these steps in reverse with the new gas valve
to complete the replacement.
7. Verify there are no LP gas leaks. Refer to “Performing a
Gas Leak Test” on page 30 for more details.
q
w