AIRCRAFT
DA 42 NG AMM
Heating and Ventilation
Doc # 7.02.15
Rev. 4
21-50-00
Page 101
15 Mar 2018
Trouble Shooting
1. General
The table below lists the defects you could have with the control panel in the center console. If you
have the trouble detailed in the Trouble column read across to the Possible Cause column. Then do
the repair given in the Repair column.
Note:
The refrigerant vapor cooling system is a hermetically sealed and
pressurized circuit and contains the refrigerant R134a.
WARNING:
ALL MAINTENANCE AND REPLENISHMENT WHICH REQUIRES TO
OPEN AND DEPRESSURIZE THE REFRIGERANT CIRCUIT MUST BE
CARRIED OUT BY AUTHORIZED PERSONNEL ACCORDING TO
NATIONAL AND INTERNATIONAL REGULATIONS FOR REFRIGERANT
SYSTEMS.
Trouble
Possible Cause
Repair
Blue LED on control panel
does not illuminate.
RACC circuit breaker open.
Additional alternator defective.
Set.
Check RACC power supply of
the airplane.
Central unit does not power
up.
Control panel defective.
Electrical control unit defective.
Replace.
Replace.
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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