69
Event
ID
Alarm Name
Alert
Level
*
System Action
after Alarm
Possible Cause
Method of
Exclusion
68
Fan CH3
Abnormal
2
3. More than two
fans fail; the
minimum
speed is 100%
2. The blade is
stuck due to
foreign matter
3. Fan unit
abnormality
confirm that the
blades are not
damaged
3. Replace the fan
70
Fan CH4
Abnormal
2
56
Inlet Water
Sensor
Abnormal
2
1. Alarm display
1. Wiring is loose
2. Sensor unit
abnormality
1. Check sensor
wiring
2. Check sensor
unit and replace
if necessary
58
Outlet Water
Sensor
Abnormal
2
1. Alarm display
1. Wiring is loose
2. Sensor unit
abnormality
1. Check sensor
wiring
2. Check sensor
unit and replace
if necessary
44
Remote Air
Sensor
Abnormal
2
1. Alarm display
1. Wiring is loose
2. Sensor unit
abnormality
3. DIP switch ID
setting error
1. Check sensor
wiring
2. Check sensor
unit and replace
if necessary
3. Confirm that the
DIP switch is
0000
N
Press Sensor
Abnormal
2
1. Alarm display
2. Switch back to
air sensor
control
1. Wiring is loose
2. Sensor unit
abnormality
1. Check sensor
wiring
2. Check sensor
unit and replace
if necessary
60
Flow Meter
Abnormal
2
1. Alarm display
1. Wiring is loose
2. Sensor unit
abnormality
1. Check the flow
meter wiring
2. Check the flow
meter unit and
replace if
necessary