Dometic RM2193, Service Manual

9

EN

Manual Refrigerator 

Diagnostic Procedures

Component

Diagnostic Question

Action Based On Status

Page

Cooling Unit

Does the refrigerator not get cold 

enough in any operating mode?

Perform a diagnostic on the power supply.

13

Perform a diagnostic on the gas pressure if the 

problem occurs during gas operation.
Perform a diagnostic on the ventilation fan(s), 

if installed.

12

If the problem persists, replace the cooling 

unit.

16

Is a loud gurgling noise coming from the 

cooling unit?

Replace the cooling unit.

Is there a strong smell of ammonia?

Door

Does the refrigerator not get cold 

enough in any operating mode?

Does frost build up rapidly?

Does condensation form around the 

frame?

1.  Inspect the door and door gasket for 

any damage that would prevent it from 

closing properly.

2.  If damage is observed, replace the door.

17

1.  Test the door gasket.
2.  If the gasket is weak at any point, repair it.
3.  After 24 hours, test the gasket again.
4.  If the gasket remains weak, replace the 

door.

Confirm with the owner that the door has not 

been held open or opened often enough to 

allow a substantial volume of warm air to enter.

N/A

Electrode

Does the refrigerator not operate in gas 

mode?

1.  Inspect the ceramic insulator for cracks or 

breaks in the ceramic casing. 

I

A hair line crack at the electrode can be 

difficult to see.

2.  If cracks or breaks are observed, replace 

the electrode.

7

1.  Confirm that the electrode is securely 

held by its clip.

2.  Confirm that the tip of the electrode is 

positioned 3/16 in. (4.8 mm) from the 

slots in the burner. 

3.  If the electrode is out of position, adjust it.

18

1.  Turn on the refrigerator in gas mode and 

confirm that the electrode generates a 

spark.

2.  If the electrode fails to generate a spark, 

replace it.