TM 9-2540-205-24&P
Section Il. DIRECT SUPPORT AND GENERAL SUPPORT TROUBLESHOOTING
PROCEDURES
Page
Page
Espar V7S Wiring Diagram . . . . . . . . . . . . . . . . 3-25
Symptom Index . . . . . . . . . . . . . . . 3-2
Explanation of Columns . . . . . . . . . . . . . . . . . . 3-2
Troubleshooting. , . . . . . . . . . . . . . 3-3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
INTRODUCTION
This section contains information about locating and correcting most problems reported by Organizational
Maintenance. It covers components that are authorized for repair or replacement at the Direct Supporl Main-
tenance level.
EXPLANATION OF COLUMNS
MALFUNCTION
Visual or operational indication that something is wrong
with the heater.
TEST/inspection
Procedure to isolate the problem to a component or system.
CORRECTIVE ACTION
Procedure to correct problem.
SYMPTOM INDEX
This symptom index is provided as a quick way to get you to the part of the troubleshooting table that will help
you solve the problem you are having. It lists all the malfunctions covered in the Direct Support and General
Support troubleshooting table.
HUPP
S-W
ESPAR
MF51OB
10560C24
V7S
M F 5 1 0 C
10560M
MF60A-24V
10560M24B1
SYMPTOM
MF60B-24V
10560G
Heater Does Not Start . . . . . . . . . . . . . . . . . . . 3-3 . . . . . . . . . . . . . . . .3-11
Heater Does Not Start Below 40°F(4°C) . . . . . 3-7 . . . . . . . . . . . . . . . 3-7
Heater Does Not Shut Off . . . . . . . . . . . . . . . . . 3-10. . . . . . . . . . . . . . . . . 3-15
Heater Output Too Low . . . . . . . . . . . . . . . . . . 3-8. . . . . . . . . . . . . . . 3-16 . . . . . . . . . . . . . . 3-21
Heater Smokes or Bangs while Starting . . . . . . 3-8. . . . . . . . . . . . . . . 3-17
Surging Combustion, or Heater
Overheats and Stops Burning . . . . . . . . . . . . . 3-10. . . . . . . . . . . . . . . . 3-17
Heater Does Not Energize . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Heater Does Not Ignite
(Goes Out After 3 Minutes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
Heater Overheated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Heater Does Not Switch Off After
Purge Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Heater Operates On Half-Rated
Output After 3 Minutes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Temperature Of Output Heating Air
Too High . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23
Heater Emits Soot And Heavy Smoke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23
3-2
