Dometic B3300 - Service - Unit Does Not Operate; Troubleshooting Steps; Contacting Service; Wiring Diagram

13
To locate a service technician near you:
● Go to WWW.dometic.com/marinedealers or
● Call Dometic Marine at 1-800-542-2477 8:00
AM to 5:00 PM Eastern Time, or 1-888-440-
4494 after hours and weekends.
When calling for service, always give the following:
● Unit type and serial number found on the iden-
tication label located on base pan of unit bot-
tom. Return air grille must be removed from
ADB.
● ADB model and serial number found on rating
plate located on ceiling template. Observe this
rating plate through the lter opening.
If your unit fails to operate or operates improperly, check
the following before calling your service center.
● Check your fuse or circuit breaker to see if it is
open. Insure fuse is not burnt, or circuit breaker
is “ON” and not activated.
● After the above checks, call your local service
center for further help. This unit must be ser-
viced by qualied service personnel only.
● If any wiring or supply cord is damaged and
needs to be replaced, it must be replaced by
the manufacturer or its service agent or a simi-
larly qualied person.
SERVICE - UNIT DOES NOT OPERATE
WIRING DIAGRAM
A. Unit Wiring Diagram
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FIG. 23
B. ADB Wiring Diagram
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FIG. 24