Xylem IM131R01 AQUAVAR AV II - Manual (Page 73)

Repair of Faults and Errors
72
Table 13: AQUAVAR Electrical Fault Codes
(continued)
Fault Code Fault Name Possible Cause(s) How to Recover
16 Motor Over Temp The drive’s motor temperature Decrease motor loading. If the
(Fault) model detected motor motor is not overheated, check
overheating severe enough to the temperature model
cause a fault. parameters.
17 Output Fault The output sensor detected • Check motor wiring.
an error. • Check for and remove any
capacitive load.
• Check the motor and cabling
for shorts to ground.
18 Overcurrent The drive has measured • Check the load, motor size,
excessive current in the motor and cables.
output. This may be caused by: • Review the settings for
• Sudden, heavy load increase.
acceleration and deceleration
• Short circuit in the motor times.
cables.
• Unsuitable motor.
19 Drive Over Temp Temperature of the drive’s • Check the air flow.
heatsink is too high. • Check that the heatsink is not
clogged.
• Check the ambient
temperature.
• Check that the switching
frequency is not too high
compared to ambient
temperature and load.
20 Motor Overload Excessive load on the motor Check the motor and load.
(for example, a jammed load.)
21 Drive Under Temp • Temperature of the drive’s • Increase the ambient
heatsink is below 0ºC (32ºF). temperature.
• Ribbon cable not correctly • Ensure that the ribbon cable is
seated between the power correctly seated.
and control boards.
22 Motor Stall The motor’s stall protection Check the motor.
(Fault) sensed a stall severe enough
to cause a fault.