Thetford 1200 Series Without Cooling Unit Sensing Capabilities - Manual (Page 12)

Owner’s Manual 12
Refrigerator Maintenance
Gas flame appearance:
While in LP GAS operation, examine the appearance of the gas
flame:
- Push the TEMP SET button until the number “9” appears in
the center display.
- Open the lower intake vent.
CAUTION: The burner box cover can be hot. Wear
gloves to avoid burns.
- Look at the gas flame [1] (See Art00955).
- The flame should be:
- a darker blue color on the inside of the flame and
a lighter blue color on the outside of the flame.
- a constant shape without flickering.
- Contact your dealer or Norcold authorized service
center if the flame is:
- yellow
- flickering or changing shape.
- Make sure the flame does not touch the inside of the
flue tube [2].
- If the flame touches the inside of the flue tube, contact
your dealer or Norcold authorized service center.
- Close the burner box door.
Remove and clean the burner orifice:
Your dealer or Norcold authorized service center must do this
procedure.
Remove and clean the burner orifice (See Art00956):
- Close the valve at the propane gas tank(s).
- Push the ON / OFF button to shut down the refrigerator.
- Open the lower intake vent.
CAUTION: The burner box cover can be hot. Wear
gloves to avoid burns.
- Remove the burner box cover by removing the screw(s).
WARNING: To avoid possible propane gas leaks,
always use two wrenches to loosen and tighten the
gas supply line connections.
Ice Maker Storage (Optional)
To prepare the ice maker for seasonal storage:
1. Close the vehicle water supply valve to the ice maker.
2. Push the ice maker arm up until it locks into the OFF
position.
3. Remove the garden hose adapter from the water solenoid
valve.
4. Remove the ice maker water line from the water solenoid
valve
- Do not unwrap the water line heater wires from around the
water solenoid valve.
5. Drain all of the water from both the water supply line and the
ice maker water line.
6. Put the end of the water supply line, the end of the ice maker
water line, and the water solenoid valve each into a clean
plastic bag.
7. Use tape to close each plastic bag around the water lines
and the water solenoid valve.
To use the ice maker after seasonal storage:
CAUTION: Do not operate the ice maker when the
ambient air temperature is 0° F. or lower. Damage to the
water solenoid valve and the water supply line can occur.
1. Remove the tape and plastic bags from the end of the water
supply line, the end of the ice maker water line, and the water
solenoid valve.
2. Connect the ice maker water line to the water solenoid valve.
3. Connect the garden hose adapter to the water solenoid
valve.
4. Push the ice maker arm down into the ON position.
5. Open the vehicle water supply valve to the ice maker.
NOTE: You should discard and not use the first two batches of
ice cubes. It will take about three cycles for the ice
maker to make fully formed and clean ice cubes.