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
Tr ip
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
Tr ip
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
Tr ip
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
Tr ip
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
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