System information

40
Table 15 — PIC 5 Alarm Codes (cont)
ALARM
CODE
(ALARMRST)
ALARM TEXT
DESCRIPTION
RESET TYPE
ACTION TAKEN BY
CONTROL
POSSIBLE CAUSE
PROTECTIVE LIMITS (CONT)
Alm-272
ALM-272 Protective
Limit — ISM Config Con-
flict
Automatic Unit shuts down.
Configuration data in controller and
ISM are mismatched.
In Maintenance menu, choose
Maintains ISM configDelete ISM
config:
NO - Upload ISM configuration data
to HMI
YES- Download ISM configuration
to ISM
Alm-273
ALM-273 Protective
Limit — VFD Speed Config
Conflict
Manual Unit shuts down.
Check VFD speed configurations in
CONF_VFD screen.
Alm-274
ALM-274 Protective
Limit — Chiller Lockout
Automatic Unit shuts down. Check chiller lockout input in IOB
Alm-275
ALM-275 Protective
Limit — Fire Alarm
Automatic Unit shuts down. Check fire alarm input in IOB
Alm-276
ALM-276 Protective
Limit — Stop Override
Manual Unit shuts down.
Check stop override point status in
GENUNIT table
LOSS OF COMMUNICATION WITH SLAVE BOARDS
Alm-300
ALM-300 Loss of Commu-
nication — ISM
Automatic when communication
returns to normal
Unit shuts down.
Check LEN communication cable.
Check the wiring and termination
resistor settings.
Alm-301
ALM-301 Loss of Commu-
nication — IOB 1
Automatic when communication
returns to normal
Unit shuts down.
Check LEN communication cable.
Check the wiring and termination
resistor settings.
Alm-302
ALM-302 Loss of Commu-
nication — IOB 2
Automatic when communication
returns to normal
Unit shuts down.
Check LEN communication cable.
Check the wiring and termination
resistor settings.
Alm-303
ALM-303 Loss of Commu-
nication — IOB 3
Automatic when communication
returns to normal
Unit shuts down.
Check LEN communication cable.
Check the wiring and termination
resistor settings.
Alm-304
ALM-304 Loss of Commu-
nication — IOB 4
Automatic when communication
returns to normal
Unit shuts down.
Check LEN communication cable.
Check the wiring and termination
resistor settings.
Alm-305
ALM-305 Loss of Commu-
nication — IOB 5
Automatic when communication
returns to normal
Unit shuts down.
Check LEN communication cable.
Check the wiring and termination
resistor settings.
Alm-306
ALM-306 Loss of Commu-
nication — IOB 6
Automatic when communication
returns to normal
Unit shuts down.
Check LEN communication cable.
Check the wiring and termination
resistor settings.
Alm-307 ALM-307 LEN Scan Error Manual Unit shuts down.
Check LEN bus hardware physical
wiring and software log