Xylem IM131R01 AQUAVAR AV II - Manual (Page 75)

Repair of Faults and Errors
Table 13: AQUAVAR Electrical Fault Codes
(continued)
Fault Code Fault Name Possible Cause(s) How to Recover
40 Loss of Keypad Communication with the keypad Investigate and correct
is lost while keypad control is communication problem.
active.
41 Ext Flt/Warning The configured input sensed an Investigate why the external fault
(Warning) external fault.
42 Ser Lnk TimeOut The watchdog timer for Modbus Reset and restore serial link
serial communications timed out. communications.
43 DI Logic Not Set DI active logic is not set. Set DI active logic via Active
Logic parameter.
44 DI Logic Changed Consult factory. Consult factory.
50 Fan Fault The cooling fan on the drive’s Remove obstruction.
enclosure is drawing too much
current, which may indicate that Replace fan.
the fan is jammed or has failed.
51 Fan Warning The cooling fan on the drive’s Remove obstruction.
enclosure is drawing excessive
current, but not enough to
generate a fault. This may
indicate that the fan is jammed.
52 Motor Over Temp The drive’s motor temperature Decrease motor loading. If the
(Warning) model detected motor motor is not overheated, check
overheating, but not severe the temperature model
enough to generate a fault. parameters.
53 Motor Stall The motor’s stall protection Check the motor.
(Warning) sensed a stall, but not severe
enough to cause a fault.
54 Motor Underload The load on the motor is Check the motor and load.
(Warning) insufficient, but not so low that
a fault occurs.
55 DeviceNet No DeviceNet communication Reset and restore DeviceNet
Timeout (Fault) has occurred in the specified communication. See the
amount of time, and a fault DeviceNet manual for further
occurs. information.
56 DeviceNet No DeviceNet communication Reset and restore DeviceNet
Timeout has occurred in the specified communication. See the
(Warning) amount of time, and a warning DeviceNet manual for further
occurs. information.
57 Network Ext Fault The external communication Reset and restore DeviceNet
network delivered a command communication.
to the drive that is forcing a
system-wide error.
58 Ser Lnk TimeOut The programmed value of Reset and restore serial link
(Warning) parameter Comm Timeout communications.
was exceeded.
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