Dometic RM 8405 Service Manual download pdf (Page 43)

5.9 Testplan MES

Action

230 VAC Function test

Turn rotation knob to AC with AC

supply not connected

Provide AC supply (230 V)

12 VDC Function test

Turn rotation knob to DC with +12 V

heater supply not connected

Provide +12 V heater supply

Gas Function test

Turn to Gas, wait ca. 5,5 minutes (3

ignition trials)

Switch off and on again; go to gas

mode, provide gas to gas input tube

Interior light test

Turn to any mode, open door

Close door

Turn to - OFF mode and open door

AC LED and red LED must flash

AC LED lights green after a few

seconds

DC LED and red LED must flash

DC LED lights green after a view

seconds

Gas LED and red LED flash (gas

lockout)

Gas LED lights green

Indication

No.

1.1

1.2

2.1

2.2

3.1

3.2

4.1

4.2

4.3

Result

AC relay switches

DC relay switches

(3 ignition trials: 30 seconds

ignition, 2 minutes ventilati-

on pause, 30 seconds igniti-

on, 2 minutes ventilation

pause, 30 seconds ignition.

Ignition starts until flame is

Interior light switches on

Interior light switches off

Interior light keeps off

Before testing make sure, that all cables are connected to the PCB !

Provide a possibility, that the 12 VDC supply , the AC supply , the +12 V

heater supply and the D+/S+ connection (only on AES) can be interrupted

easily ! The supply voltage must be between 11 VDC and 14 VDC.

Repair & Maintenance

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Dometic RM 8405 Service Manual Page 43

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