ECFanGrid
TM
FG - 1601
Installation, Operation and Maintenance Instructions
©2017 Rosenberg Fans Canada Ltd.
Fault
Possible Cause
Action
FAN WILL NOT
START OR RUN
NO Main Power or Incorrect
Voltage Phase-to-Phase
CHECK supply mains DIRECTLY at FAN TERMINALS
If Voltage is not within 6% of rated or 2% of phase-
to-phase, have the condition corrected.
Missing vdc SET POINT from
Analog 1
CHECK for 10vdc availability Between 10V and
GND Terminals at Analog 1
Missing ENABLE Signal
CHECK the 24VDC availability Between ‘ENABLE’
and GND Terminals
INTERNAL PROTECTIVE
FEATURE HAS TRIPPED
“Under voltage” – Incoming Voltage is below the
tolerance limit of the specified line voltage.
Check main supply and fusing
¾
Failure is automatically reset after the
voltage rises above the minimum limit
“Over voltage” – Incoming Voltage is above the
tolerance level of the specified line voltage.
Check main supply and fusing
¾
Failure is automatically reset after the
voltage falls under the maximum limit
“Locked Rotor”
Check Fan Impeller for overload caused by dirt or
foreign matter and freedom of rotation. Also check
motor Inlet Cone mounting hardware.
¾
Manual Reset required
“Over temperature – electronics”
Air Flow and Ambient temperature too high
¾
Failure is automatically reset after
temperature returns to a normal level
