Figure 43: Status Key Messages Quick Reference List - York YLAA0041 Installation Operation & Maintenance

Form 150.72-ICOM6
Issue date: 12/19/2023
General Messages
Unit Switch Off
Shutdown
Remote Controlled
Shutdown
Daily Schedule
Shutdown
Rem Stop
No Run Permissive
Flow Switch
Open
System X Switch Off
System X
No Cooling load
System X Comps Run
System X AR Timer
System X AC Timer
System X Disch Limiting
System X Suction Limiting
System X Percentage Load Limiting
Manual Overide Status
System X Pumping Down (on shutdown)

Figure 43: Status Key Messages Quick Reference List

Johnson Controls
STATUS KEY MESSAGES
System Safeties
System X High Disch Pressure
System X Low Suct Pressure
System X MP/HPCO Inhibit
System X MP/HPCO Fault
System X HIGH MTR CURR
(Optional)
Sys 1 SP/Freeze Warn
Sys 2 SP/Freeze Warn
Sys 1 Sensor Failure
Sys 2 Sensor Failure
Sys 1 ATV Suct Press
Sys 2 ATV Suct Press
Sys 1 Low Suct SHeat
Sys 2 Low Suct SHeat
Sys 1 Low Dsch SHeat
Sys 2 Low Dsch SHeat
Fault Messages
Unit Safeties &
Warning Messages
Low Ambient Temp
Low Liquid Temp
115VAC Undervoltage
Low Battery
Check Prog/Step/Optn
(Unit Warning Message)
Incorrect Unit Type
(Unit Warning Message)
High Motor Current
Pump Fail Make Flow
Pump Trip
Check Liq Temp Sens
Section 7: Unit controls
7
LD11297B
143