220
LEGEND
Table 169 — Master/Slave Alarm Codes
LEGEND
VFD ALARMS AND ALERTS
Alarms and alerts associated with the VFD function follow a
different naming convention than general unit faults. These
alarms and alerts can be viewed and reset following the proce-
dures outlined in the sections Current Alarms and Resetting
Alarms on page 208. Table 170 lists the VFD alarm and alert
naming conventions, while Table 171 lists the Danfoss codes
associated with the alarms and alerts. These represent the most
common alarms and alerts associated with VFD malfunction.
Refer to the appropriate Danfoss documentation for more in-
formation on other alarms.
Table 170 — VFD Alarm/Alert Naming Conventions
* The Danfoss Alarm/Alert code is represented by nnn. See Table 171.
08001 No Factory
Configuration
The alarm will be generated if the Unit
Capacity (Main Menu
Configuration
Menu
Factory Parameters) is miss-
ing.
Unit is not allowed to
start
Automatic when config-
ured correctly
If this condition is encountered, confirm unit
configuration
090nn Master/Slave
Alarms
Tested when the unit is On and Off.
The alarm from 9001 to 9016 will be
tripped if the unit is in Master or Slave
operating type and a master/slave
configuration error (ms_error) is
detected.
See Table 169 for alarm descriptions.
Master/Slave func-
tions are deacti-
vated. Both chillers
will operate as
standalone units.
Automatic when the mas-
ter/slave configuration
returns to normal or if the
unit is no longer in Master
operating type
If this condition is encountered, check the fol-
lowing items for faults:
• CCN wiring
• control power to each SIOB, master and
slave
• confirm correct configuration
CCN — Carrier Comfort Network
®
LWT — Leaving Water Temperature
ECO — Economizer MOP — Maximum Operating Pressure
EMM — Energy Management Module OAT — Outdoor Air Temperature
EWT — Entering Water Temperature SIOB — Standard Input Output Board
EXV — Electronic Expansion Valve SST — Saturated Suction Temperature
LEN — Local Equipment Network VFD — Variable Frequency Drive
ALARM
CODE
ALARM DESCRIPTION
09001 Lag_pump control is selected while pump configuration is disabled
09002 Master and Slave have the same address
09003 No Slave configured
09004 Slave Lag_pump is selected while slave pump configuration is disabled
09005 Master and Slave will have the same water control type
09006 Master and Slave will have the same water control type
09007 Master lag pump control is configured
09008 Master lag pump control is not configured
09009 Slave Chiller configuration is set, but is operating in Local On
09010 Slave Chiller configuration is set, but is operating in Local On. A shutdown alarm is active.
09011 Unit is not in CCN mode
09012 Communication between Master and Slave has been lost for more than 2 minutes
09013 Master and Slave Heat/Cool selection conflict
09014 Master and Slave parallel and series selection conflict
09015 Master and Slave EWT option in conflict with chiller in series
09016 Slave EWT option in conflict with chiller in series
CCN — Carrier Comfort Network
®
EWT — Entering Water Temperature
Table 168 — Alarm Details by Code (cont)
ALARM
CODE
ALARM NAME
CRITERIA
FOR TRIP
ACTION TAKEN
BY CONTROL
RESET
METHOD
POSSIBLE CAUSES/CORRECTIVE ACTIONS
VFD ALARMS AND ALERTS
ALARM
FORMAT*
ALERT
FORMAT*
Compressor A
17nnn 35nnn
Compressor B
18nnn 36nnn
Fan A1
20nnn 38nnn
Fan A2
21nnn 39nnn
Fan B1
23nnn 41nnn
Fan B2
24nnn 42nnn
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