TM 9-2540-207-14&P
E6 - OVER VOLTAGE
E6
Voltage supplied to the heater is above normal voltage limits (19VDC - 30VDC normal range)
CHECK/POSSIBLE CAUSE
REF.
REPAIR
1
Check the source voltage or
Vehicle
If voltage is greater than 30VDC then
battery levels.
TM
check vehicle alternator - see appropriate
vehicle TM
Turn heater off until voltage system
repaired
2
Defective Electronic
5.2.5
Replace Electronic Programmed Controller
Programmed Controller Board
Restart Heater
6-20
