Delta InfraSuite RDA037, User Manual

Page: 78 / 92

InfraSuite R Series – Air Cooled Type 78
Alarm Name
Alarm
Severity
Possible Cause Corrective Action
Fan CH4
Abnormality
2
1. Fan wiring is loose
2. The blade is stuck due to
foreign matter
3. Fan unit abnormality
4. The fan has no power
input
1. Check the fan wiring
2. Remove foreign objects
and confirm that the
blades are not damaged
3. Replace the fan
4. Check whether the fan
circuit breaker is off
Fan CH5
Abnormality
2
1. Fan wiring is loose
2. The blade is stuck due to
foreign matter
3. Fan unit abnormality
4. The fan has no power
input
1. Check the fan wiring
2. Remove foreign objects
and confirm that the
blades are not damaged
3. Replace the fan
4. Check whether the fan
circuit breaker is off
Fan CH6
Abnormality
2
1. Fan wiring is loose
2. The blade is stuck due to
foreign matter
3. Fan unit abnormality
4. The fan has no power
input
1. Check the fan wiring
2. Remove foreign objects
and confirm that the
blades are not damaged
3. Replace the fan
4. Check whether the fan
circuit breaker is off
Filter
Abnormality
1
1. Dirty air filter
2. The detector tube is
deformed or incorrectly
positioned
1. Replace the air filter
2. Check whether the air
filter detector tube is
intact and in the correct
position
Fire Active 2
1. Fire and smoke input
contact trigger
1. Check the surrounding
environment and
troubleshoot
Group Comm
Abnormality
1
1. The connections are
wrong
2. Duplicate unit ID setting
3. Terminal resistance
setting error
1. Check communication
wiring between groups
2. Check ID settings of
each device in the group
3. Check the terminal
resistance setting