AIRCRAFT
DA 42 NG AMM
Heating and Ventilation
Doc # 7.02.15
Rev. 4
21-20-00
Page 101
15 Mar 2018
Trouble-Shooting
1. General
This table tells you how to trouble-shoot the air conditioning distribution system. Refer to Section 21-40
for trouble-shooting data for the air heating system and see Section 21-60 for trouble-shooting data
for the temperature control system.
If you find the trouble in column 1 do the repair given in column 3.
Trouble
Possible Cause
Repair
No air flows from the cabin
fresh air outlets.
Fresh air outlets closed.
NACA air inlet duct blocked.
Flexible hose(s) between the
air inlet ducts and the fresh air
inlet blocked or damaged.
Open the fresh air outlets.
Section 21-20 Paragraph 2A.
Make sure the inlet duct is not
blocked.
Examine the flexible hoses,
repair or replace the hoses as
required.
No warm air flows through the
cockpit defrosting system
outlets.
The DEFROST control lever in
the cockpit center console set
to OFF.
Left engine heater valve
control cable(s) out of
adjustment.
Left engine heater valve
control cable(s) broken.
Flexible hose(s) between the
left engine heater control valve
and the de-frosting ducts
damaged or broken.
Make sure that the DEFROST
control lever (left lever) is set to
ON.
Adjust the left engine heater
valve control cable(s).
Replace the left engine heater
valve control cable(s).
Examine the flexible hoses,
repair or replace the hoses as
required.
Summary of Contents for DA 42 NG
Page 933: ...AIRCRAFT DA 42 NG AMM Fuel Doc 7 02 15 Rev 4 28 TITLE Page 1 15 Mar 2018 CHAPTER 28 FUEL ...
Page 1459: ...AIRCRAFT DA 42 NG AMM Lights Doc 7 02 15 Rev 4 33 TITLE Page 1 15 Mar 2018 CHAPTER 33 LIGHTS ...
Page 1711: ...AIRCRAFT DA 42 NG AMM Doors Doc 7 02 15 Rev 4 52 TITLE Page 1 15 Mar 2018 CHAPTER 52 DOORS ...
Page 1853: ...AIRCRAFT DA 42 NG AMM Wings Doc 7 02 15 Rev 4 57 TITLE Page 1 15 Mar 2018 CHAPTER 57 WINGS ...
Page 2071: ...AIRCRAFT DA 42 NG AMM Engine Doc 7 02 15 Rev 4 72 TITLE Page 1 15 Mar 2018 CHAPTER 72 ENGINE ...
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