Danfoss VLT HVAC Drive FC 102
Danfoss VLT HVAC Drive FC 102 code 80: Drive initialized to default value
The drive has wiped its custom programming and returned all parameter settings to their factory defaults.
- Code
- 80
- Name
- Drive initialized to default value
- Controller
- Danfoss VLT HVAC Drive FC 102
- Type
- Setup or parameter fault
- What it does
- Fault: the equipment trips and stops
- Risk
- YELLOW Booth plays by its own rules
- Reset
- Needs a manual reset
- 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
- 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 80 mean?
The drive has wiped its custom programming and returned all parameter settings to their factory defaults.
Is Danfoss VLT HVAC Drive FC 102 code 80 dangerous?
It is graded yellow: not hard, but a booth does it differently than the gear most techs know, so follow the checks in order.
How do I fix Danfoss VLT HVAC Drive FC 102 code 80?
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
67 · Option module configuration has changed68 · Safe Stop activated69 · Power card temperature70 · Illegal FC configuration92 · No-Flow93 · Dry pump94 · End of curve95 · Broken belt96 · Start delayed97 · Stop delayed
All 73 Danfoss VLT HVAC Drive FC 102 codes · Every fault code