ARCTIC HEATER DOES NOT OPERATE (MODEL B)-continued

TM 9-2320-279-20-1

Troubleshooting Malfunctions (Cont)

2-15. TROUBLESHOOTING INSTRUCTIONS (CONT).

Table 2-9.

Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

ARCTIC HEATER KIT (CONT)

7. ARCTIC HEATER DOES NOT OPERATE (MODEL B) (CONT).

Step 9.

Check voltage on arctic heater switch at yellow wire when switch is turned on. Place

positive (+) probe on arctic heater switch at yellow wire. Place negative (--) probe on known

good ground. Turn arctic heater switch on.

If 24 vdc is not present, replace arctic heater switch (para 20-3).

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Change 7