Dometic RM3762 User Manual download pdf (Page 13)

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TROUBLESHOOTING & DIAGNOSTIC TEST

DIAGNOSTIC TEST

This section is intended for service personnel.

To perform a diagnostic test:

Turn off the refrigerator. (Press the ON/OFF button.)

Press and hold the TEMP. SET button and then,

press the ON/OFF button.

Release the TEMP. SET button. Press it again

to toggle the list of functions step by step.

For information about test functions and indications, refer to the following table.

The messages are displayed ﬂ ashing - alternating between “Test indication” and “Test result indication”.

Test function

Test indication

Test result indication

All outputs off

E 0

E 0 E 0

➛

E 2

E 2 E 2

➛

Communication fault

Temperature sensor fault

“Unﬁ ltered temperature in F”

Turn LAC heater on

L H

E 0

➛

O N

O N O N

➛

Communication fault

LAC heater on

Press the lamp switch. The lamp should still be on.

Turn AC heater on

A C

E 0

➛

O N

O N O N

➛

“ ”

➛

Communication fault

AC heater on

AC heater off, AC not available

D+ status

(if D+ is connected)

d P

E 0

E 0 E 0

➛

O N

O N O N

➛

“ ”

➛

Communication fault

D+ high

D+ low

Run gas

(one attempt only)

L P

E 0

➛

E 1

E 1 E 1

➛

O N

O N O N

➛

F L

➛

“ ”

➛

Communication fault

Igniter and valve off, gas hardware fault

Igniter and valve on

Igniter off and valve on, ﬂ ame detected

Igniter and valve off, gas problem (check gas)

(If ﬂ ame is not ignited within 45 seconds)

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Dometic RM3762 User Manual Page 13

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