164
Table 79 —Alarm and Alert Codes (cont)
LEGEND
ALARM/
ALERT CODE
ALARM OR
ALERT
DESCRIPTION
ACTION TAKEN
BY CONTROL
RESET
METHOD
EXPLANATION
PAGE
REFERENCE
T092
Alert
Circuit A Suction Pressure
Transducer Failure
Circuit is shut down
Automatic
167
T093
Alert
Circuit B Suction Pressure
Transducer Failure
Circuit is shut down
Automatic
167
T094
Alert
Discharge Gas Thermistor Failure
Digital compressor is disabled
Automatic
167
T110
Alert
Circuit A Loss of Charge
Circuit is not allowed to start
Manual
168
T111
Alert
Circuit B Loss of Charge
Circuit is not allowed to start
Manual
168
T112
Alert
Circuit A High Suction Temperature
Circuit is shut down
Manual
168
T113
Alert
Circuit B High Suction Temperature
Circuit is shut down
Manual
168
T114
Alert
Circuit A Low Suction Superheat
Circuit is shut down
Manual
168
T115
Alert
Circuit B Low Suction Superheat
Circuit is shut down
Manual
168
P118
Pre-Alert
High Discharge Gas Temperature
This is a non-broadcast alarm.
Compressor A1 is shut down.
Automatic, when discharge
temperature is less than
250 F (121.1 C).
168
T118
Alert
High Discharge Gas Temperature
Compressor A1 is shut down.
Manual
168
A120
Alarm
Circuit A Low Saturated Suction
Temperature Alarm
Circuit is shut down
Manual
168
P120
Pre-Alert
Circ.A Low Sat. Suct.Temp —
One Comp Shutdown
This is a non-broadcast alarm. If more than
one compressor in the circuit is running,
one of the compressors will be shut down.
A 15-minute prohibition timer is added to
the compressor.
Automatic
168
T120
Alert
Circuit A Low Saturated Suction
Temperature Alert
The circuit is shut down. A 15-minute
prohibition timer is added to the last
compressor.
Automatic
168
A121
Alarm
Circuit B Low Saturated Suction
Temperature Alarm
Circuit is shut down
Manual
168
P121
Pre-Alert
Circ.B Low Sat. Suct.Temp —
One Comp Shutdown
This is a non-broadcast alarm. If more than
one compressor in the circuit is running,
one of the compressors will be shut down.
A 15-minute prohibition timer is added to
the compressor.
Automatic
168
T121
Alert
Circuit B Low Saturated Suction
Temperature Alert
The circuit is shut down. A 15-minute
prohibition timer is added to the last
compressor.
Automatic
168
P122
Pre-Alert
Circuit A High Pressure Switch
Chattering
This is a non-broadcast alarm. Circuit
shuts down or is not allowed to start. A
15-minute prohibition timer is added to the
circuit restart.
Automatic
169
Circuit A High Pressure Switch
Trip
This is a non-broadcast alarm. Circuit
shuts down or is not allowed to start. A
15-minute prohibition timer is added to the
circuit restart.
Automatic
170
T122
Alert
Circuit A High Pressure Switch
Chattering
Circuit is shut down or is not allowed to start
Manual
169
Circuit A High Pressure Switch
Trip
Circuit is shut down or is not allowed to start
Manual
170
P123
Pre-Alert
Circuit B High Pressure Switch
Chattering
This is a non-broadcast alarm. Circuit
shuts down or is not allowed to start. A
15-minute prohibition timer is added to the
circuit restart.
Automatic
169
Circuit B High Pressure Switch
Trip
This is a non-broadcast alarm. Circuit
shuts down or is not allowed to start. A
15-minute prohibition timer is added to the
circuit restart.
Automatic
170
T123
Alert
Circuit B High Pressure Switch
Chattering
Circuit is shut down or is not allowed to start
Manual
169
Circuit B High Pressure Switch
Trip
Circuit is shut down or is not allowed to start
Manual
170
A126
Alarm
Circuit A High Head Pressure
Circuit is shut down
Manual
170
T126
Alert
Circuit A High Head Pressure
Circuit is shut down
Automatic
170
A127
Alarm
Circuit B High Head Pressure
Circuit is shut down
Manual
170
T127
Alert
Circuit B High Head Pressure
Circuit is shut down
Automatic
170
A140
Alarm
Reverse Rotation Detected
Unit is shut down
Manual
171
A150
Alarm
Unit Is In Emergency Stop
Unit is shut down or is not allowed to start
Automatic
173
A/D
—
Analog/Digital
AUX
—
Auxiliary
EEPROM —
Electrically Erasable Programmable Read-Only Memory