Bad F10 Fuse
electrical
Description
Output Board Fuse Alarm means fuse F10 is missing or blown for at least three seconds, and the unit shuts down and alarms.
Activation Conditions
Output Board Fuse Alarm; Feedback from Output Board indicates fuse is missing or blown. Signal must be present for at least three seconds.
Unit Behavior
Shutdown and Alarm.
Reset Conditions
Replace fuse or fix fuse issue.
Corrective Actions
1. Check Fuse F10 a. Visually check fuse. Verify correct fuse, and check fuse holder for damage, see Figure 1.7. Replace fuse as required. Clear alarms, restart and check for repeat alarm(s). b. Check voltage. Check voltage through the fuse, if fuse is blown, replace it. c. Check wiring from PCM8 - 3MM34 - PCM9 - 3MM23. Verify there is no physical damage to harness, and no damage, moisture, or corrosion in connectors. 2. Check FP, FS, ENCU a. Visually verify there is no physical damage to harness, and no damage, moisture, or corrosion in connectors. b. Check for high amp draw. Refer to Section 1.11 for correct electrical values. Use ammeter.