AIRCRAFT
DA 42 NG AMM
Heating and Ventilation
Doc # 7.02.15
Rev. 4
21-40-00
Page 101
15 Mar 2018
Trouble-Shooting
1. General
This table tells you how to trouble-shoot the air conditioning heating system. Refer to Section 21-20
for trouble-shooting data for the air distribution 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
The air flowing through the
windscreen defrosting vents is
cold or not warm enough.
The left engine is not at normal
running temperature.
Air trapped in the left engine
heat exchanger or heat
exchanger coolant supply.
Left engine heat exchanger
matrix blocked or damaged.
Allow the engine to warm-up to
normal operating temperature.
Bleed the heat exchanger and
heat exchanger supply system.
Replace the heat exchanger.
The air flowing through the
cabin heating vents is cold or
not warm enough.
The right engine is not at
normal running temperature.
Air trapped in the right engine
heat exchanger or heat
exchanger coolant supply.
Right engine heat exchanger
matrix blocked or damaged.
Allow the engine to warm-up to
normal operating temperature.
Bleed the heat exchanger and
heat exchanger supply system.
Replace the heat exchanger.
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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