Table 29 — Alarm and Alert Codes (cont)

ALARM/

ALARM

 

 

WHY WAS THIS

ACTION TAKEN

RESET

PROBABLE

ALERT

OR

 

DESCRIPTION

ALARM

 

BY CONTROL

METHOD

CAUSE

CODE

ALERT

 

 

GENERATED?

 

 

 

 

 

 

 

 

 

 

 

 

 

T301

Alert

 

Cooler Pump 2

Pump 2 Service

None

Automatic

Routine pump

 

 

 

Scheduled

Countdown (P.2.DN)

 

 

maintenance

 

 

 

Maintenance Due

expired. Complete pump 2

 

 

required

 

 

 

 

maintenance and

 

 

 

 

 

 

 

enter 'YES' for Pump 1

 

 

 

 

 

 

 

Maintenance Done

 

 

 

 

 

 

 

(P.2.MN) item.

 

 

 

 

 

 

 

 

 

 

 

T302

Alert

 

Strainer Blowdown

Strainer Service

None

Automatic

Routine strainer

 

 

 

Scheduled

Countdown (S.T.DN)

 

 

maintenance

 

 

 

Maintenance Due

expired. Complete strainer

 

 

required

 

 

 

 

blowdown and enter 'YES' for

 

 

 

 

 

 

 

Strainer Maintenance Done

 

 

 

 

 

 

 

(S.T.MN) item.

 

 

 

 

 

 

 

 

 

 

 

T303

Alert

 

Condenser Coil

Coil Service Countdown

None

Automatic

Routine condenser

 

 

 

Maintenance Due

(C.L.DN) expired.

 

 

coil maintenance

 

 

 

 

Complete condenser coil

 

 

required

 

 

 

 

cleaning and enter 'YES'

 

 

 

 

 

 

 

for Coil Maintenance Done

 

 

 

 

 

 

 

(C.L.MN) item.

 

 

 

T950

Alert

 

Loss of Communication

No communications have

WSM forces removed.

Automatic

Failed module, wiring

 

 

 

with Water System

been received by the MBB

Chiller runs under own

 

error, failed

 

 

 

Manager

within 5 minutes of last

control

 

transformer, loose

 

 

 

 

transmission

 

 

connection plug,

 

 

 

 

 

 

 

wrong address

T951

Alert

 

Loss of Communication

No communications have

FSM forces removed.

Automatic

Failed module, wiring

 

 

 

with Flotronic™ System

been received by the MBB

Chiller runs under own

 

error, failed

 

 

 

Manager

within 5 minutes of last

control

 

transformer, loose

 

 

 

 

transmission

 

 

connection plug,

 

 

 

 

 

 

 

wrong address

T952

Alert

 

Loss of Communication

No communications have

HSM forces removed.

Automatic

Failed module, wiring

 

 

 

with Hydronic System

been received by the MBB

Chiller runs under own

 

error, failed

 

 

 

Manager

within 5 minutes of last

control

 

transformer, loose

 

 

 

 

transmission

 

 

connection plug,

 

 

 

 

 

 

 

wrong address

 

LEGEND

 

 

 

 

 

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

 

 

 

 

57

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Sterling 30RA010-055 manual Alarm and Alert Codes cont