Replacing Heating Element - Dometic A552 Service Manual

- Place refrigerator in upright position. Check that the thermostat switch
turns freely in the entire control range.
- Check electrical insulation resistance (with 1000-V electrical insulation
resistance metering device.)
The insulation resistance R
2.3.4. Replacing heating element ("Half-moon" shaped, as of May 2003):
- Unscrew hinge screw on boiler side, slightly bend out side wall of hinge.
(Fig. 59)
- Remove temperature controller from boiler
- Bend out tabs of boiler casing.
- Lift off boiler's cover. (Fig. 60, 61)
Figure 59
- Remove boiler insulation.
- Mark securing position of the heating element on the boiler to help
reassembly. (marker)
- Push down clamp securing element wire. (Fig. 62)
- Rotate back heater element in the direction of back panel. (Fig. 63)
- Push down securing clamp of heater element using 2 universal pliers.
(Fig.64)
Figure 62
- Replace the heating element. Electronically, this operation is identical to
those described for cylindrical element.
- Attention! The electrical power of a heating element with "fuzzy logic"
control is different from those with electromechanical control!
- Positioning the heating element. Place securing clamp in the middle of the
element.
Place upper edge of heating element at the marking of position.
- By applying firm pressure to the clamp, snap the heating element onto the
boiler.
> 2Mohm
INS
Figure 60
Figure 63
15
Figure 61
Figure 64