Controls, Start-Up, Operation, Service and ... - Climayoreo
Controls, Start-Up, Operation, Service and ... - Climayoreo
Controls, Start-Up, Operation, Service and ... - Climayoreo
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Table 91 — Alert <strong>and</strong> Alarm Codes<br />
ALARM OR<br />
DESCRIPTION ACTION TAKEN BY CONTROL RESET METHOD<br />
ALERT NUMBER<br />
T048 CktA, Oil Return Not Reliable With Only One Comp Available Circuit shut down Automatic<br />
T049 CktB, Oil Return Not Reliable With Only One Comp Available Circuit shut down Automatic<br />
T051 Circuit A, Compressor 1 Failure Compressor locked off (after 3 strikes) Automatic then manual after 3 strikes<br />
A051 Circuit A, Compressor 1 Stuck On Failure Compressor locked off Manual<br />
T052 Circuit A, Compressor 2 Failure Compressor locked off (after 3 strikes) Automatic then manual after 3 strikes<br />
A052 Circuit A, Compressor 2 Stuck On Failure Compressor locked off Manual<br />
T053 Circuit A, Compressor 3 Failure Compressor locked off (after 3 strikes) Automatic then manual after 3 strikes<br />
A053 Circuit A, Compressor 3 Stuck On Failure Compressor locked off Manual<br />
T054 Circuit B, Compressor 1 Failure Compressor locked off (after 3 strikes) Automatic then manual after 3 strikes<br />
A054 Circuit B, Compressor 1 Stuck On Failure Compressor locked off Manual<br />
T055 Circuit B, Compressor 2 Failure Compressor locked off (after 3 strikes) Automatic then manual after 3 strikes<br />
A055 Circuit B, Compressor 2 Stuck On Failure Compressor locked off Manual<br />
T056 Circuit B, Compressor 3 Failure Compressor locked off (after 3 strikes) Automatic then manual after 3 strikes<br />
A056 Circuit B, Compressor 3 Stuck On Failure Compressor locked off Manual<br />
T057 Circuit A, High Pressure Switch Failure Compressor locked off Automatic then manual<br />
T058 Circuit B, High Pressure Switch Failure Compressor locked off Automatic then manual<br />
T068 Circuit A, Return Gas Thermistor Failure MLV Disabled Automatic<br />
T072 Evap. Discharge Reset Sensor Failure No supply air reset applied Automatic<br />
T073 Outside Air Temperature Thermistor Failure No OAT functions allowed Automatic<br />
T074 Space Temperature Thermistor Failure No SPT functions allowed Automatic<br />
T075 Return Air Thermistor Failure No RAT functions allowed Automatic<br />
T076 Outside Air Relative Humidity Sensor Fail No outside air RH functions allowed Automatic<br />
T077 Space Relative Humidity Sensor Failure No space RH functions allowed Automatic<br />
T078 Return Air Relative Humidity Sensor Fail No return air RH functions allowed Automatic<br />
T082 Space Temperature Offset Sensor Failure No space temperature offset applied Automatic<br />
T090 Circ A Discharge Press Transducer Failure Circuit shut down Automatic<br />
T091 Circ B Discharge Press Transducer Failure Circuit shut down Automatic<br />
T092 Circ A Suction Press Transducer Failure Circuit shut down Automatic<br />
T093 Circ B Suction Press Transducer Failure Circuit shut down Automatic<br />
T110 Circuit A Loss of Charge Circuit locked off Manual<br />
T111 Circuit B Loss of Charge Circuit locked off Manual<br />
P120 Circuit A Low Saturated Suction Temp, Comp Shutdown Circuit staged down Automatic<br />
T120 Circuit A Low Saturated Suction Temperature Alert Circuit shut down Automatic<br />
A120 Circuit A Low Saturated Suction Temperature Alarm Circuit locked off Manual<br />
P121 Circuit B Low Saturated Suction Temp, Comp Shutdown Circuit staged down Automatic<br />
T121 Circuit B Low Saturated Suction Temperature Alert Circuit shut down Automatic<br />
A121 Circuit B Low Saturated Suction Temperature Alarm Circuit locked off Manual<br />
T122 Circuit A High Saturated Suction Temperature Alert Only Manual<br />
T123 Circuit B High Saturated Suction Temperature Alert Only Manual<br />
P126 Circuit A High Head Pressure, Comp Shutdown Circuit stage down Automatic<br />
T126 Circuit A High Head Pressure Alert Circuit shut down Automatic<br />
A126 Circuit A High Head Pressure Alarm Circuit locked off Manual<br />
P127 Circuit B High Head Pressure, Comp Shutdown Circuit stage down Automatic<br />
T127 Circuit B High Head Pressure Alert Circuit shut down Automatic<br />
A127 Circuit B High Head Pressure Alarm Circuit locked off Manual<br />
T128 Digital Scroll High Discharge Temperature Alert Digital compressor A1 shutdown Automatic<br />
A128 Digital Scroll High Discharge Temperature Alarm Digital compressor A1 locked off Manual<br />
A140 Reverse Rotation Detected Stop unit Manual<br />
A150 Unit is in Emergency Stop Unit shut down Manual<br />
A152 Unit Down due to Failure No mechanical cooling available Automatic<br />
T153 Real Time Clock Hardware Failure Unit shut down Automatic<br />
A154 Serial EEPROM Hardware Failure Unit shut down Automatic<br />
T155 Serial EEPROM Storage Failure Error Alert only Automatic<br />
A156 Critical Serial EEPROM Storage Fail Error Unit shut down Automatic<br />
A157 A/D Hardware Failure Unit shut down Automatic<br />
A169 Expansion Valve Control Board Comm Failure Humidimizer control disabled Automatic<br />
T170 Compressor Expansion Board Comm Failure Compressors A3 <strong>and</strong> B3 disabled Automatic<br />
108