Troubleshooting - Diamond Aircraft DV 20 KATANA Maintenance Manual

Electrical Power

3. Troubleshooting

The following table lists defects as they could appear on the power distribution system, and their
correction.
%
The wiring diagrams are located in Chapter 92 of the maintenance manual, or this temporary revision
%
to the maintenance manual.
%
Find the trouble in column 1 do the repair given in column 3.
%
Complaint
%
No electrical power on radio-
%
and navigational equipment.
% %
%
%
%
%
No electrical power on
%
electrical bus 2.
Intermittent operation of
various electrical equipment.
Page 2
15 Dec 2018
Defective avionics master
switch.
Defective avionics master relay
(with OÄM 20-244 only).
Defective wiring from bus 1 to
the avionics bus or avionics
master relay.
Defective wiring from bus 1 to
bus 2.
Defective wiring (loose
connection to circuit breaker
and/or on terminal board).
24-50-00
AIRCRAFT
Possible Cause
DV 20 KATANA AMM
Repair
Replace.
Replace.
Repair.
Repair.
Repair.
Doc # 4.02.02
Rev. 13