11
OPEN ALARM - PLLD ONLY
When the pressure transducer is not connected to the PLLD
Interface Module the pressure reading is negative. Note: Diag-
nostic screen will display 0 when pressures are negative.
Probable Causes:
1. Open condition in the field wiring.
2. Incorrect field wiring.
3. Reversed wiring on transducer.
4. Bad transducer.
5. Bad PLLD Interface Module.