Fault codes / Converter / 14.4V
Converter: 14.4V
What it means: Bulk.
What to check
After a discharge. A WFCO that never shows 14.4 on a low battery is the classic complaint; it needs a real load drop to trigger and often will not.
Learn the system
- Volts, amps and ohms, the simple way
- Voltage drop: the test that finds bad grounds
- Practice: find the bad connection
- Batteries: lead-acid vs lithium
Practice it on a service call
Guided diagnosis
Other Converter codes
- Converter: LED on steady Boost, 14.4V
- Converter: 1 blink per second Normal, 13.6V
- Converter: 1 blink every 6 to 8 seconds Storage, 13.2V
- Converter: 2 to 3 blinks per second Equalize, 14.4V for 15 minutes
- Converter: LED off No output or no 120V
- Converter: 13.2V Trickle or float
- Converter: 13.6V Absorption
- Converter: Output present, no battery charge Fuse or wiring, not the converter
Full field guide: Progressive Dynamics Charge Wizard and WFCO converter
Codes come from the maker manuals and public service sheets. Your model's own chart always wins, and LP and 120 volt work belongs to a qualified technician.