Reset & cancel: Air Handler tips

Short, practical technician tips on reset & cancel for air handler. Check each one against the manual for your exact model before acting.

Restart indoor-outdoor communication (Lrn)

Goodman · AVPTC / MBVC ComfortBridge air handlers

The Lrn menu action restarts communication between the indoor and outdoor units.

1. Scroll to Lrn with the Left or Right button
2. Press the Center button to select it

View and clear the 6 most recent faults (FCL / L6F)

Goodman · AVPTC / MBVC ComfortBridge air handlers

On communicating systems the FCL menu item (labelled L6F in the furnace-style menu) shows the 6 most recent faults and lets you clear them.

1. Use the Left or Right button to scroll to FCL
2. Press the Center button to enter the menu and read the codes
3. Clear them from the same menu if wanted

Reset the control to factory defaults

Trane · P0V0 modular blower integrated control (IMBC)

Holding Menu and Option together at idle resets all menu values to factory defaults; the display flashes FD three times to confirm.

1. Make sure the display is in idle (IdL)
2. Hold Menu and Option together for 15 seconds, then release
3. FD flashes three times