Dometic RM 2801 Service Manual download pdf (Page 44)

(107)

As in all of our troubleshooting steps, the

printed circuit board is the last component to

check for a failure. Insure that all of the

connections on the board are clean and are

inserted in their proper locations before

attempting to determine if the

printed circuit

board is at fault.

(108)

Many times when a circuit board failure is

noticed it will be visible as a burned section on

the board. Determine the cause of the board

failure by referring to SERVICE BULLETIN

R56-7A

(pages A-

1

l-3 to A- 11-5) and correct

the external problem before replacing the

circuit board. FAILURE TO DO SO COULD

RESULT IN REPEATED BOARD

PROBLEMS.

(109)

NO 120 VOLT AC OPERATION. To begin

our diagnosis of the 120 volt mode, determine

if the house battery and its associated wiring

is adequate to operate the electronic circuitry

properly, as we discussed in the “no operation”

section of our program.

NO 120 V.A.C. OPERATION

Also, determine if the AC voltage to the

refrigerator is within 10 percent of the rated

stamped voltage on the heating element.

Correct any wiring or voltage problems as

needed to provide an adequate power supply to

the refrigerator.

A-6-37

44

Manual Compliments of

Northwest RV Supply

Printed From

http://www.nwrvsupply.com

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