QUANTECH
156
FORM QTC3-NM1
ISSUE DATE 12/18/2020
TABLE 20 - YORKTALK 2 COMMUNICATIONS DATA MAP (CONT’D)
Code
Code
50 50
Fault/Inhibit Code
No Fault Code
Operational Code
Anti-Coincidence Timer Active
Remote Shutdown
Low Suction Pressure
No Run Permissive
No Cool Load
High Ambient Temperature
Anti-Vacuum Low Pressure Cutout
Anti-Recycle Timer Active
Manual Override
Suction Limiting
Discharge Limiting
Flow Switch Open
Load Limiting
Compressor(s) Running
Heatpump Load Limiting
MP/HPCO Fault
Low Evaporator TemperaturePumping Down
No Abnormal Condition
Unit Switch Off
System Switch Off Low Ambient Temperature
Lockout
Unit Fault Low Leaving Chilled Liquid Temp
System Fault High Discharge Pressure
Unit Motor Current
Low Superheat
Leaving Chilled Liquid Temperature Sensor Fault
Sensor Fault
Discharge Inhibit
MP/HPCO Inhibit
Pump Trip
Pump Fail Make Flow
Johnson Controls, Inc.
Subject to change without notice.
6 of 6
02/11/2020