Dometic RM 2801 Service Manual download pdf (Page 78)

Replacement of Circuit

3-WAY AES CIRCUIT BOARDS

RM3500,3600,3800

When working on an AES style refrigerator and

replacing the circuit board, the old board should

be visually inspected for any obvious damage,

3

i.e. burned components, damaged leads, burned

connectors, corrosion, etc.

When the board is damaged, see the illustration

to the left for what to check and correct before

changing the circuit board.

The following paragraph numbers relate to the

corresponding numbered items highlighted at the

circuit board.

-3 1. If this component is discolored, burned

or blown: Check that the

12V

connections

are correct and that there is a battery

between alternator and refrigerator.

2.

If this component is discolored, burned

or blown:

Check all cables in the

12V

system for short circuits.

-

4

If this component is discolored, burned

or blown: Check for proper polarity of

gas solenoid lead.

4.

If this component is discolored, burned

or blown: Check for proper plug connec-

tions of gas

solenoid and thermostat

circuit or damage in

ribbon cable to

indicator light, thermostat.

\5

5.

If this lead is damaged:

Check for

proper resistance in Ohm’s of the A/C

heating element and in all

12OV

cables

for short circuit or damage.

6.

If these leads (dotted in the picture) at

the rear

of the board are

damaged:

Check for proper resistance in Ohm’s of

the A/C heating element and all

12OV

cables for short circuit or damage.

A-ll-3

78

Manual Compliments of

Northwest RV Supply

Printed From

http://www.nwrvsupply.com

1 2 ... 73 74 75 76 77 78 79 80 81 82 83 ... 93 94

Comments to this Manuals

No comments