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AboveAir IOMs
Introduction
Installation
Site Preparation & Mounting
Ductwork & Piping
Refrigerant Piping
Refrigerant Pipe Sizing
Electrical Connections
Auxiliary Device Installation
Operation
Refrigerant Charging
Start-up Procedures
Controller
Controller Navigation
System Menu
Technician Menu
Factory Menu
BMS Connections
Multi-Unit Sequencing
Sensors and Sequences
Maintenance
Troubleshooting
(current)
Support
Symptom: System Is Off
Possible Cause
: No power to unit.
Corrective Action
: Check disconnect and power to unit.
Possible Cause
: Unit is locked out on alarm.
Corrective Action
: Resolve any issues, clear alarms, and reset unit.
Possible Cause
: Unit is turned off at the controller.
Corrective Action
: Check display.
Off by Alarm indicates unit locked out on critical alarm.
Off by Network indicates master unit in multi-unit network has unit shut off.
Off by BMS indicates the BMS has locked out unit operation.
Off by Schedule indicates time of day schedule has shut off unit.
Off by Rem Stop/Start indicates Remote Stop/Start digital input has shut down unit.
Off by Keypad indicates system enable (keypad on/off point) is in its off position.
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