SRVO-103: Air pressure alarm (Group)
Group-level version of SRVO-009: abnormal pneumatic pressure detected (or the PPABN signal wire is at 0V) for the named group.
What it means
Group-level version of SRVO-009: abnormal pneumatic pressure detected (or the PPABN signal wire is at 0V) for the named group.
Common causes
Ranked by what technicians most often find, most likely first.
- Same as SRVO-009: real air-supply loss, PPABN wiring fault, or the monitor enabled on a system without it.
How to fix it
- Work the SRVO-009 remedy: restore air, check PPABN wiring, or disable the setting if the system doesn't monitor air.