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Table 29 — Alarm and Alert Codes (cont)
LEGEND
ALARM/
ALERT
CODE
ALARM
OR
ALERT
DESCRIPTION
WHY WAS THIS
ALARM
GENERATED?
ACTION TAKEN
BY CONTROL
RESET
METHOD
PROBABLE
CAUSE
T301 Alert Cooler Pump 2
Scheduled
Maintenance Due
Pump 2 Service
Countdown (P.2.DN)
expired. Complete pump 2
maintenance and
enter 'YES' for Pump 1
Maintenance Done
(P.2.MN) item.
None Automatic Routine pump
maintenance
required
T302 Alert Strainer Blowdown
Scheduled
Maintenance Due
Strainer Service
Countdown (S.T.DN)
expired. Complete strainer
blowdown and enter 'YES' for
Strainer Maintenance Done
(S.T.MN) item.
None Automatic Routine strainer
maintenance
required
T303 Alert Condenser Coil
Maintenance Due
Coil Service Countdown
(C.L.DN) expired.
Complete condenser coil
cleaning and enter 'YES'
for Coil Maintenance Done
(C.L.MN) item.
None Automatic Routine condenser
coil maintenance
required
T950 Alert Loss of Communication
with Water System
Manager
No communications have
been received by the MBB
within 5 minutes of last
transmission
WSM forces removed.
Chiller runs under own
control
Automatic Failed module, wiring
error, failed
transformer, loose
connection plug,
wrong address
T951 Alert Loss of Communication
with Flotronic™ System
Manager
No communications have
been received by the MBB
within 5 minutes of last
transmission
FSM forces removed.
Chiller runs under own
control
Automatic Failed module, wiring
error, failed
transformer, loose
connection plug,
wrong address
T952 Alert Loss of Communication
with Hydronic System
Manager
No communications have
been received by the MBB
within 5 minutes of last
transmission
HSM forces removed.
Chiller runs under own
control
Automatic Failed module, wiring
error, failed
transformer, loose
connection plug,
wrong address
SCN — Sterlco Comfort Network
EMM — Energy Management Module
EWT — Entering Fluid Temperature
FSM — Flotronic™ System Manager
HSM — Hydronic System Manager
LCW — Leaving Chilled Water
LWT — Leaving Fluid Temperature
MBB — Main Base Board
OAT — Outdoor-Air Temperature
SCT — Saturated Condensing Temperature
TXV — Thermostatic Expansion Valve
WSM — Water System Manager