HVACopediaTrane · Air handler
E01 Blower control (IMBC) internal failure
What the control is telling you
The integrated modular blower control has an internal fault (lost interrupt). Printed as e0! in the text export - the ! glyph stands for 1.
Applies to: Trane P0V0 modular blowers (P0V0A/B/C/D)
Likely causes
- IMBC internal fault
- Poor supply power
Test and repair steps
- Check 120 VAC at the line connection and 24 VAC at the low-voltage terminals.
- Cycle power.
- If it returns with good supply, replace the IMBC.
Settings for these units
Return filter size by cabinet width · Trane P0V0
| Cabinet width | Filter |
|---|---|
| 14-1/2 in. | 1 - 14 x 25 x 1 in. |
| 17-1/2 in. | 1 - 16 x 25 x 1 in. |
| 21 in. | 1 - 20 x 25 x 1 in. |
| 24-1/2 in. | 1 - 24 x 25 x 1 in. |
No filter inside the unit - remote/duct filter required.
Over 1600 CFM needs dual returns.
Models that show this code
4 models in Trane P0V0
Other codes on the same units
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Source: Trane 18-GE20D1-1E-EN (P0V0 installer's guide) - section IMBC Display Codes, Error Codes. Summarized in our own words; check the original manual for your model.
Homeowner looking at this code? See what it means for you and when to call a technician.
For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.