Figure 4-4. (dash, dash) Heater Restart Attempted During Purge Cycle.

TB 9-6115-641-13

HEATER RESTART

ATTEMPTED DURING

PURGE CYCLE

YES

HAS PURGE (DELAYED

START HEATER

SHUT-OFF) CYCLE ENDED

IS COOLANT

YES

TEMPERATURE BELOW

TRIGGERING POINT OF

START HEATER

TEMPERATURE SENSOR

(70C, 158F)

NOTIFY NEXT HIGHER

LEVEL OF MAINTENANCE

YES

TO CHECK TEMPERATURE

START HEATER

SENSOR AND REPLACE IF

NECESSARY

REPLACE HEATER

Figure 4-4. (dash, dash) Heater Restart Attempted During Purge Cycle.

WARNING:

POWER SUPPLY

CHECK BATTERY

YES

ELECTROLYTE AND CHARGE

IS BATTERY VOLTAGE

BATTERY (REFER TO

LESS THAN +21VDC?

TM 9-6115-641-24)

YES

TROUBLESHOOT

IS BATTERY VOLTAGE

BATTERY SYSTEM (REFER

GREATER THAN +30VDC?

TO TM 9-6115-641-24)

RETURN TO SERVICE

Figure 4-5. (dash, 5 dots, dash) Warning: Power Supply.