User guide

Table 13: AQUAVAR Electrical Fault Codes (continued)
Fault Code Fault Name Possible Cause(s) How to Recover
04 TSP 24V Supply Overloaded +24 Vdc supply. Check the loading on the +24
Vdc supply and remove any
excess load.
05 DC Volt Calibr DC voltage is outside of normal • Check line voltage.
limits on power-up. This may • Check the Supply Voltage
be caused by: parameter.
• High or low line voltage.
• Supply voltage parameter
incorrectly set.
06 IOC Trip Output short-circuit. May also • Check motor wiring.
be caused by a ground fault • Extend acceleration ramp.
(see Fault Code 11 below). • Reduce boost.
• Check for ground faults.
07 Ext Flt/Warning The configured input sensed an Investigate why the external fault
(Fault) external fault. occurred and correct.
09 Inter-Proc Comm Loss of communication with Reset the drive by pressing the
the control terminal strip. Stop key for more than 1 second.
If problem persists, consult the
factory.
11 Ground Fault The drive detected that the sum • Check motor wiring.
of the motor phases’ current is • Check for and remove any
not zero. This may be caused capacitive load.
by insulation failure in the • Check the motor and cabling
motor or the cables. for shorts to ground.
12 Input Phase Loss Current measurement detected Check input power cables.
an input phase with no current.
13 Overvoltage The voltage of the internal DC- • Adjust deceleration time.
link has exceeded 135% of the • Add dynamic braking module.
Nominal voltage. This may be
caused by incorrect deceleration
time or high overvoltage spikes
on line.
14 Under Voltage The DC bus voltage fell below Reset fault and attempt to restart.
65% of the nominal voltage. This Check the line for proper supply.
may be due to line supply failure If fault persists, an internal fault
or internal failure of the drive. has occurred; contact the factory.
Repair of Faults and Errors
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