STULZ E
2
SERIES CONTROLLER FOR PERIMETER SYSTEMS OPERATION MANUAL
29
ALARM MESSAGE DESCRIPTION OF ALARM CONDITION
No Airfl ow Airfl ow is inadequate for detection by the air proving switch.
Filter Clogged Filter needs to be replaced.
True No Flow Insuffi cient fl ow of cooling fl uid detected by fl ow switch (CW/WG units).
No Flow Water Temp Insuffi cient fl ow of cooling fl uid detected by temperature sensors (CW/WG units).
Smoke/Fire An alarm condition detected by the smoke detector or fi restat.
High Head Pressure Head Pressure is above user confi gured alarm threshold (DX units).
Low Suction Pressure Suction Pressure is below user confi gured alarm threshold (DX units).
Fan 1, 2, 3, 4, ...10 Fan Failure.
pCOe Disconnected No communications with the controller.
pCOe Mismatch Alarm
No output pattern confi rmation for more than 10 seconds.
Customer Alarm Customer supplied signal indicates an alarm.
Heater Failed The heater has an over temp or other condition.
Pump The pump has failed due to overcurrent or other conditions.
Power Source Lost The indicated power source is not present.
Humidifi er An alarm in the humidifi er is present.
Blower Failure The indicated blower has failed to run.
Damper End Switch The damper end switch failed.
Fan Lockout The fan has failed too many times and is locked out.
EVD offl ine The Expansion Valve controller is offl ine.
Ebmpapst Fan#_- Fan Fault The indicated alarm has been received from the fan.
Ebmpapst Fan#_- Device Offl ine The indicated alarm has been received from the fan.
Ebmpapst Fan#_- Phase Fault The indicated alarm has been received from the fan.
Ebmpapst Fan#_- Motor Blocked The indicated alarm has been received from the fan.
Ebmpapst Fan#_- Mains Under
Voltage
The indicated alarm has been received from the fan.
Ebmpapst Fan#_- Mains Over
Voltage
The indicated alarm has been received from the fan.
Ebmpapst Fan#_- DC Link Over
Voltage
The indicated alarm has been received from the fan.
Ebmpapst Fan#_- DC Link Under
Voltage
The indicated alarm has been received from the fan.
Ebmpapst Fan#_- Motor
Superheating
The indicated overheat alarm has been received from the fan.
Ebmpapst Fan#_- Intern. Circ.
Superheat
The indicated overheat alarm has been received from the fan.
Ebmpapst Fan#_- Output Stage
Superheat
The indicated overheat alarm has been received from the fan.
Ebmpapst Fan#_- Hall Sensor Error The indicated alarm has been received from the fan.
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