TM 9-4520-271-14
OPERATOR TROUBLESHOOTING PROCEDURES
ARMY SPACE HEATER H-140
NSN 4520-01-477-0568
TROUBLESHOOTING INDEX
INTRODUCTION
The Troubleshooting Index contains a quick reference by work package and page number for the Operational Checkout and
Troubleshooting Procedures work package (WP 0010 00). The Troubleshooting Procedures work package (WP 0010 00)
identifies malfunctions and corrective actions to return the ASH to normal operation. Any malfunction requiring repair
beyond the scope of the operator should be referred to unit maintenance.
Malfunction/Symptom
Troubleshooting Procedure Page No.
1.
Ventilation Air Fan Does Not Start ........................................................................................................................0010 00-3
2.
No Combustion in HEAT MANUAL MODE ........................................................................................................0010 00-4
3.
No Combustion in HEAT AUTO MODE ..............................................................................................................0010 00-8
4.
Ventilation Air Fan Slows Down or Indicator Lights Dim.....................................................................................0010 00-9
5.
ASH Flames Out Repeatedly (More Than Three Times) .....................................................................................0010 00-10
6.
Fuel Pressure Gage Indicates 25 Psi (172 kPa) or Less in HEAT MANUAL MODE or
HEAT AUTO MODE...........................................................................................................................................0010 00-12
7.
Ventilation Air Fan Operates but Fuel Pressure Gage Indicates 0 Psi (0 kPa) .....................................................0010 00-14
8.
Excessive Black Smoke in Exhaust ......................................................................................................................0010 00-15
9.
CARBON MONOXIDE ALARMS Sound and Light..........................................................................................0010 00-16
0009 00-1/2 blank
