
Service Test Mode
There are several test modes available through the diagnostic system. Use of these test modes can greatly decrease the
time needed for troubleshooting. It is to the service technician’s advantage to be able to perform many tests in a very
short period of time.
Within the Service Test Mode the controls have alternate functions. The FREEZER up and down buttons (arrows) will move to the
next or the previous service test. If you are at Service Test 4 and press the FREEZER up arrow you will move to Service Test 5.
The REFRIGERATOR up and down arrows will move you through the service tests ten steps at a time. If you are at Service Test
4 and press the REFRIGERATOR up arrow you will move to Service Test 14.
The POWER INTERRUPT button will activate the selected Service Test. At every test, after selecting the test number with the up
and down arrows, you must activate the test using the POWER INTERRUPT button. In many cases the display will change and
provide you with additional information for that particular test. To end a test and return to the test selection menu, tap the POWER
INTERRUPT button again.
To enter the Service Test Mode, the door switches must be held in the door closed position. It would be easiest to tape the switch
in the closed position.
Tap the POWER INTERUPT icon three times in succession. The system will switch to the service mode and show the current
mode as NORMAL or no in the fresh food temperature display. If the system shows a different indication this indicates that the
unit was not in the normal operating mode.
Pressing The FREEZER up arrow will change the display to Sh. This is the Showroom mode. If the Power Interrupt button is
tapped at this point, the system will be in the showroom mode. While in the showroom mode, the lights and display operate but
the cooling system does not energize.
Pressing the FREEZER up arrow again will change the display to SE. This is the entrance to the SErvice Tests. Tapping the
Power Interrupt button will place the unit into service mode and the display will change to 00 00 with the word service illuminated
in the display.
From this point forward the up and down arrows are used to move forward or backwards through the Service Tests. The Power
Interrupt Button will activate the service test.
If the service mode starts at any location other than 00 00 it is an indication that the Service Tests mode was not properly exited
when last serviced.
Service Test 01 – Software Revision
This test will allow you to view the current software version installed on the refrigerator. At the current time there is no method to
update the software in the field. Pressing the Power Interrupt Button will display the current software version. Pressing the Power
Interrupt Button will return you to the previous screen.
Service Test 02 – High Ambient Override
This is not really a test but a system setting for special operating conditions. By activating the High Ambient override you will alter
the temperature control programming. This setting should only be used in cases of high temperatures and high humidity.
Pressing the Power Interrupt Button will activate this setting. When activated the WORKING lamp will illuminate. The working
lamp will return to normal operation when you exit the Service Tests Mode.
Upon reentry and selecting Service Test 02 the lamp will indicate whether the High Ambient Override is activated. Pressing the
Power Interrupt Button will deactivate the High Ambient Override.
Dacor 42” and 48” Built-in Refrigerator Diagnostics (First Generation - Classic):
Models: EF42BDCBSS, EF42BNDBSS, IF42BNDBOL, IF42BDCBOL, EF48BDCBSS,
EF48BNDBSS, IF48BNDBOL, IF48BDCBOL
Dacor Technical Assistance: 800-353-2267
PG: 26
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