Emerson Oxymitter 5000 Instruction Manual page 221

Instruction Manual
IM-106-350, Rev 2.2
July 2008
Symptom Possible Causes
Mode sheds 1. Remote Cascade Value
from RCAS to
AUTO
2. Shed Timer
Mode sheds 1. Remote output value
from ROUT to
MAN
2. Shed timer
Process and/or 1. Features
block alarms
will not work
2. Notification
3. Status Options
Oxymitter 5000
Corrective Action
1. Host system is not writing RCAS_IN with a
quality and status of "good cascade" within shed
time (see 2 below).
2. The mode shed timer, SHED_RCAS in the
resource block is set too low. Increase the value.
1. Host system is not writing ROUT_IN with a
quality and status of "good cascade" within shed
time (see 2 below).
2. The mode shed timer, SHED_RCAS, in the
resource block is set too low. Increase the value.
1. FEATURES_SEL does not have Alerts
enabled. Enable the Alerts bit.
2. LIM_NOTIFY is not high enough. Set equal to
MAX_NOTIFY.
3. STATUS_OPTS has Propagate Fault Forward
bit set. This should be cleared to cause an alarm
to occur.
E-17