Rockwell Automation FANM FanMaster Energy Saving Package - Manual (Page 67)

Troubleshooting 4-3
Allen-Bradley® FanMaster™ Energy Saving Package Installation Manual - Publication FANM-IN001B-EN-P – December, 2009 PN-65329
Pressure Out Of Range One of the following has occurred:
•
The polarity of the device wiring is incorrect.
•
Verify that the wiring is correct.
•
The pressure hose is crimped or blocked.
•
Check for a damaged or block pressure hose.
•
The pressure level is above or below the
operating range (OOR) of the device.
•
Check the pressure sensor wiring for damage
and replace if necessary.
•
Check for loose wiring at the sensor or at
terminal block 2 in the FanMaster unit.
•
If an OOR still exists, replace the sensor.
Return Fan Comm Fault One of the following has occurred:
•
The polarity of the device wiring is incorrect.
•
Verify that the wiring is correct.
•
A communication loss has occurred between
the return air fan drive and the FanMaster.
•
Verify that the drive is energized.
•
Check for a loose or damaged
communication cable.
Return Fan Drive Fault A return air fan drive fault has occurred.
•
View the drive HIM display to identify the fault
code and refer to the Troubleshooting section
of the PowerFlex 400 AC Drive for Fan &
Pump Applications User Manual, publication
22C-UM001…, for more information.
Supply Fan Comm Fault One of the following has occurred:
•
The polarity of the device wiring is incorrect.
•
Verify that the wiring is correct.
•
A communication loss has occurred between
the supply air fan drive and the FanMaster.
•
Verify that the drive is energized.
•
Check for a loose or damaged
communication cable.
Supply Fan Drive Fault A supply air fan drive fault has occurred.
•
View the drive HIM display to identify the fault
code and refer to the Troubleshooting section
of the PowerFlex 400 AC Drive for Fan &
Pump Applications User Manual, publication
22C-UM001…, for more information.
Supply Air Temperature High One of the following has occurred:
•
The supply air temperature high limit value
may be incorrectly configured.
•
Verify that the value in the “Supply Air High
Limit” field on the
Cooling and Heating Setup
Screen on page C-10 is set appropriately.
•
The supply air temperature is above the high
limit setpoint as configured in the FanMaster.
•
Verify that the fan drive is energized.
•
Verify that the fan is operational.
•
Verify that the damper actuator is operational.
•
Check the transmitter probe and wiring for
damage and replace if necessary.
•
Verify the temperature using a calibrated
thermometer. If the temperature is different
that the value in the FanMaster, replace the
supply air transmitter.
Supply Air Temperature Low One of the following has occurred:
•
The supply air temperature low limit may be
incorrectly configured.
•
Verify that the value in the “Supply Air Low
Limit” field on the
Cooling and Heating Setup
Screen on page C-10 is set appropriately.
•
The supply air temperature is below the low
limit setpoint as configured in the FanMaster.
•
Verify that the fan drive is energized.
•
Verify that the fan is operational.
•
Verify that the damper actuator is operational.
•
Check the transmitter probe and wiring for
damage and replace if necessary.
•
Verify the temperature using a calibrated
thermometer. If the temperature is different
that the value in the FanMaster, replace the
supply air transmitter.
Alarm Description Possible Action(s)