WERCSWERCSDiagnose

Danfoss VLT HVAC Drive FC 102

Danfoss VLT HVAC Drive FC 102 code 92: No-Flow

The drive issues a warning or stops because it has detected a no-flow condition in the system.

Code
92
Name
No-Flow
Controller
Danfoss VLT HVAC Drive FC 102
Type
Airflow
What it does
Fault: the equipment trips and stops
Risk
YELLOW Booth plays by its own rules
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 92 mean?

The drive issues a warning or stops because it has detected a no-flow condition in the system.

Is Danfoss VLT HVAC Drive FC 102 code 92 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 92?

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

All 73 Danfoss VLT HVAC Drive FC 102 codes · Every fault code