User Guide

63
Troubleshooting and Test Functions
Pressure Signal Missing
Pressure Signal Missing
The pressure signal from the damper is missing.
The pressure signal from the damper must be within a specific voltage range.
If the pressure signal is missing, the processor detects a voltage of
approximately -120mV across the damper connector.
Probable Causes • Damper disconnected.
• Defective damper.
Suggested Actions ❏ Ensure the damper is connected correctly to the LPM board.
❏ Exchange the damper.