Trane · Air handler

HP1 Heat pump heating, stage 1

Normal status Trane P0V0

What the display is showing

First-stage heat pump heating call. The Y1-O jumper must be removed on heat pump systems; if left in place the display reads CL1.

Applies to: P0V0 modular blower integrated control (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

P0V0A000M30SCAP0V0B000M40SCAP0V0C000M50SCAP0V0D000M50SCA

Other codes on the same units

E14 No personality module and local copy bad
E15 Unit data file corrupt in module and control
E17 Blower motor not responding
E18 Blower communication failure on the control side
HP2 Heat pump heating, stage 2
L6F Last 6 faults menu
--- Faults cleared confirmation
CoF Continuous fan

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Source: Trane P0V0 modular blower installer's guide 18-GE20D1-1E-EN, IMBC Display Codes, p.30; Sequence of Operation, p.32. Summarized in our own words; check the original manual for your model.

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.