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Danfoss VLT HVAC Drive FC 102

Danfoss VLT HVAC Drive FC 102 code 202: Fire mode limits exceeded

The drive warns that it has ignored critical alarm conditions to keep running while in fire mode.

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
202
Name
Fire mode limits exceeded
Controller
Danfoss VLT HVAC Drive FC 102
Type
Fire
What it does
Critical alarm
Risk
RED Specialist territory
Source
The manufacturer's manual (subscribers see which manual and page)

Updated November 4, 2026

How to fix it

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  • 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
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Questions about this code

What does Danfoss VLT HVAC Drive FC 102 code 202 mean?

The drive warns that it has ignored critical alarm conditions to keep running while in fire mode.

Is Danfoss VLT HVAC Drive FC 102 code 202 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 202?

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

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