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 170 of 288
TM 9-2540-207-14&P
6-6
6.5.3
C2 - IGNITOR SHORT (Design Iteration 1 & 2 Only)
IGNITOR IS NOT PROPERLY CONNECTED OR IS SHORTED
CHECK/POSSIBLE CAUSE
REF
.R
EPAIR
1
CHECK THAT IGNITOR HATCH IS
INSTALLED CORRECTLY
4.1.1
INSTALL IGNITOR HATCH
REPLACE IGNITOR WIRE ON IGNITOR
RESTART HEATER
2
CHECK THAT IGNITOR WIRE IS
CONNECTED TO IGNITOR
4.1.1
CHECK SPRING WASHER ON IGNITOR POST
PLACE WIRE ON POST
REPLACE HATCH COVER
RESTART HEATER
3
DEFECTIVE IGNITOR
4.1.1
REPLACE IGNITOR
RESTART HEATER
4
DEFECTIVE ELECTRONIC
PROGRAMMED CONTROLLER
BOARD
5.2.5
REPLACE ELECTRONIC PROGRAMMED
CONTROLLER
RESTART HEATER
5
DEFECTIVE POWER WIRING
HARNESS
5.5.6
REPLACE WIRING HARNESS
RESTART HEATER
6.5.4
C2 – IGNITOR SHORT (Design Iteration 3 Only)
IGNITOR (GLOW PLUG) IS NOT PROPERLY CONNECTED OR IS SHORTED
CHECK/POSSIBLE CAUSE
REF
.R
EPAIR
1
CHECK THAT IGNITOR HATCH IS
INSTALLED CORRECTLY
4.1.1
INSTALL IGNITOR HATCH
REPLACE IGNITOR WIRE ON IGNITOR
RESTART HEATER
2
CHECK THAT IGNITOR WIRE IS
CONNECTED TO IGNITOR
4.1.1
CHECK SPRING WASHER ON IGNITOR POST
PLACE WIRE ON POST
REPLACE HATCH COVER
RESTART HEATER
3
CHECK FOR DEFECTIVE IGNITOR
4.1.1
MEASURE THE IGNITOR RESISTANCE,
IF IT IS NOT BETWEEN 1.6 TO 1.8 OHMS,
REPLACE IGNITOR
RESTART HEATER
4
CHECK FOR WIRE SHORTED TO
CASE
C
HECK THE IGNITOR WIRE FOR FRAYING OR
DAMAGE TO THE COATING
IF DAMAGED REPLACE WIRING HARNESS
RESTART HEATER
5
CHECK FOR ADEQUATE POWER
SUPPLY
P
OWER SUPPLY SHOULD BE A MINIMUM OF 30
AMPS AT 23 VDC
6
DEFECTIVE POWER BOARD
R
EPLACE POWER BOARD
RESTART HEATER
7
DEFECTIVE LOGIC BOARD
R
EPLACE LOGIC BOARD
RESTART HEATER
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