Danfoss VLT HVAC Drive FC 102
Danfoss VLT HVAC Drive FC 102 code 14: Ground fault
The drive detects current leaking to ground in the motor or the motor cable and will stop operating.
Safety first. This code involves a gas, flame or electrical hazard. Do not keep resetting it. Leave burner, gas train and high voltage work to a qualified technician. WERCS answers 24/7 at (877) 489-3727.
- Code
- 14
- Name
- Ground fault
- Controller
- Danfoss VLT HVAC Drive FC 102
- Type
- Ground fault
- What it does
- Fault: the equipment trips and stops
- Risk
- RED Specialist territory
- Source
- The manufacturer's manual (subscribers see which manual and page)
Updated November 4, 2026
How to fix it
Subscribers get:
- What to do next, in plain words
- What the manual says to do, and the page it is on
- The 1 common cause listed for this code
- The step by step check for this problem, one check at a time
- Booking a live video call with Ben, a master booth technician ($250/hr, paid per call)
Questions about this code
What does Danfoss VLT HVAC Drive FC 102 code 14 mean?
The drive detects current leaking to ground in the motor or the motor cable and will stop operating.
Is Danfoss VLT HVAC Drive FC 102 code 14 dangerous?
It is graded red, specialist territory: it involves a burner, gas, flame or safety lockout, so leave the repair to a qualified technician.
How do I fix Danfoss VLT HVAC Drive FC 102 code 14?
The manual's fix and the step by step check for this code are in WERCS Diagnose, plans from $49 a month. For help right now, WERCS answers 24/7 at (877) 489-3727.
Other Danfoss VLT HVAC Drive FC 102 codes
10 · Motor overload temperature11 · Motor thermistor over-temp12 · Torque limit13 · Overcurrent15 · Hardware mismatch16 · Short-circuit17 · Control word timeout18 · Start failed23 · Internal fan fault24 · External fan fault
All 73 Danfoss VLT HVAC Drive FC 102 codes · Every fault code