TM-9-2540-207-14-P
HEATER, VEHICULAR COMPARTMENT, MODEL: A20
TECHNICAL MANUAL; OPERATOR, FIELD, AND SUSTAINMENT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
JULY 2007
TM-9-2540-207-14-P - Page 9 of 288
TM 9-2540-207-14&P
vii
5.9.8.1.1 Removal.
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5-101
5.9.8.1.2 Installation.
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5-102
5.9.8.2 Wiring Harness Repair (Design Iteration 3 Only).
.........................................
5-105
5.9.8.2.1 Removal.
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5-106
5.9.8.2.2 Installation.
..............................................................................................
5-108
5.10
Repairs Using Redesigned Burner Fan Plate Assembly.
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5-111
5.10.1
Redesigned Burner Fan Plate.
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5-111
5.10.1.1
Removal.
...................................................................................................
5-111
5.10.1.2
Installation.
................................................................................................
5-113
5.10.2
Fuel Injector.
.....................................................................................................
5-115
5.10.2.1
Removal.
...................................................................................................
5-115
5.10.2.2
Installation.
................................................................................................
5-115
5.10.3
Burner Fan Driver Board .
.................................................................................
5-116
5.10.3.1
Removal.
...................................................................................................
5-116
5.10.3.2
Installation.
................................................................................................
5-117
5.10.4
Burner Fan Impeller.
.........................................................................................
5-117
5.10.4.1
Removal.
...................................................................................................
5-118
5.10.4.2
Installation.
................................................................................................
5-118
5.10.5
Burner Fan Motor .
............................................................................................
5-119
5.10.5.1
Removal.
...................................................................................................
5-119
5.10.5.2
Installation.
................................................................................................
5-119
6
TROUBLESHOOTING .
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6-1
6.1
Diagnostic
Fault Codes .
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6-1
6.1.1
“C” Codes - Component Failures .
........................................................................
6-1
6.1.2
“E” Codes - Operating Errors .
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6-2
6.1.3
“F” Codes - Operating Faults.
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6-2
6.2
Warning & Shutdown Faults.
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6-2
6.3
Troubleshooting - General.
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6-3
6.4
Troubleshooting Guidelines.
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6-4
6.5
TROUBLESHOOTING FAULT CODES .
.....................................................................
6-5
6.5.1
C1 - IGNITOR FAILURE (Design Iteration 1 & 2 Only) .
.......................................
6-5
6.5.2
C1 – IGNITOR FAILURE (Design Iteration 3 Only).
.............................................
6-5
6.5.3
C2 - IGNITOR SHORT (Design Iteration 1 & 2 Only).
..........................................
6-6
6.5.4
C2 – IGNITOR SHORT (Design Iteration 3 Only) .
...............................................
6-6
6.5.5
C3 - VENT FAN FAULT (Design Iteration 1 & 2 Only) .
........................................
6-7
6.5.6
C3 – VENT FAN FAULT (Design Iteration 3 Only).
..............................................
6-7
6.5.7
C4 - BURNER FAN FAULT (Design Iteration 1 & 2 Only).
...................................
6-8
6.5.8
C4 – BURNER FAN FAULT (Design Iteration 3 Only) .
........................................
6-8
6.5.9
C5 - BURNER SENSOR FAULT (Design Iteration 1 & 2 Only).
...........................
6-9
6.5.10
C5 - BURNER SENSOR FAULT (Design Iteration 3 Only).
.................................
6-9
6.5.11
C6 - VENT SENSOR FAULT(Design Iteration 1 & 2 Only) .
...............................
6-11
6.5.12
C6 - VENT SENSOR FAULT (Design Iteration 3 Only).
.....................................
6-11
6.5.13
C7 - FUEL PRESSURE SENSOR FAULT (Design Iteration 1 & 2 Only).
..........
6-12
6.5.14
C7 - FUEL PRESSURE SENSOR FAULT (Design Iteration 3 Only) .
................
6-12
6.5.15
C8 - CONTROLLER FAULT(Design Iteration 1 & 2 Only) .
................................
6-13
6.5.16
C8 – CONTROLLER FAULT (Design Iteration 3 Only).
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6-13
6.5.17
C9 - FUEL PUMP FAULT (Design Iteration 1 & 2 Only) .
...................................
6-14
6.5.18
C9 - FUEL PUMP FAULT (Design Iteration 3 Only).
..........................................
6-14
6.5.19
CA - FUEL INJECTOR FAULT (Design Iteration 1 & 2 Only) .
...........................
6-15
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