Dometic NDR1292 Bedienungsanleitung PDF herunterladen (Seite 10)

DESCRIPTION OF OPERATING

MODES

AES/AUTO MODE

When operating in the AES/AUTO mode, the AES/AUTO

mode indicator lamp (B) will illuminate. The control sys-

tem will automatically select between AC and GAS op-

eration with AC having priority over GAS. Either the AC

indicator lamp (A) or the GAS indicator lamp (C) will

illuminate depending on the energy source selected by

the control system. If the control system is operating

with AC energy and it then becomes unavailable, the

system will automatically switch to GAS. As soon as AC

becomes available again the control will switch back to

AC regardless of the status of GAS operation.

GAS MODE

When operating in the GAS mode the AES/AUTO mode

indicator lamp (B) will be off and the GAS mode indica-

tor lamp (C) will be illuminated. This mode provides LP

gas operation only. The control system will activate the

ignition system and will make three attempt to light the

burner for a period of approximately 45 seconds with

two minutes interval. If unsuccessful, the CHECK indi-

cator lamp (D) will illuminate and the GAS mode indica-

tor lamp (C) will turn off.

To restart GAS operation, press the main power ON/

OFF button (1) to the OFF and then ON position. The

control system will attempt a new ignition sequence.

If the refrigerator has not been used for a long time or

the LP tanks have just been refilled, air may be trapped

in the supply lines. To purge the air from the lines may

require resetting the main power ON/OFF button (1) three

or four times. If repeated attempts fail to start the LP gas

operation, check to make sure that the LP gas supply

tanks are not empty and all manual shutoff valves in the

lines are open. If the problem is still not corrected, con-

tact a service center for assistance.

If the control is switched to AC operation while the

CHECK indicator lamp is on, it will function properly, but

the CHECK indicator lamp will not go off until the main

power ON/OFF button is pressed to the OFF then ON

position.

LIMP MODE OF OPERATION

This control system contains a feature where it will con-

tinue to operate the cooling system in the event of a

failure of a major operating component. Two different

modes of operation can occur in this category.

If for some reason the display module becomes non func-

tional, the control system will revert to full automatic

operation selecting the best energy source available with

AC, GAS priority. The temperature of the refrigerator

will be maintained at the MID position within normal tem-

perature tolerances. The power module will continually

attempt to reestablish operation of the display module.

The second limp mode of operation will execute when a

failure of the temperature sensing device or associated

electronic circuitry occurs. If this should occur, the con-

trol system will operate on the energy source selected

via the control panel. The cooling unit will run continu-

ously on the selected energy source. The refrigerator

will continue to operate in this mode indefinitely or until

a new sensor is installed and the system is reset.

DISPLAY PANEL

AES

AUTO

GAS

OFF

CHECK

COLD

5 COLDEST

AC E

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 19 20

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