LEESON SM-Basic Series Sub-Micro Inverters (Obsolete) - Manual (Page 39)

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5 0 FAULT HISTORY
The FAULT HISTORY stores the last eight faults that tripped the drive. Refer to Section 16.0 -
TROUBLESHOOTING for a list of the faults and possible causes.
Use the
s and t buttons to scroll through the fault entries. The faults are stored from newest to
oldest, with the first fault shown being the most recent.
The display will read “_ _” if the FAULT HISTORY does not contain any fault messages.
51 SOFTWARE VERSION
This displays the software version number for the control board software. This information is useful
when contacting the factory for programming or troubleshooting assistance.
The software version is displayed in two parts which alternate. The first part is the software version,
and the second part is the revision number. For example, if the display flashes "72" and "02", this
indicates that the drive contains the second revision of version 72 software.
52 DC BUS VOLTAGE
This displays the DC bus voltage in percent of nominal. Nominal DC bus voltage is determined by
multiplying the drive’s nameplate input voltage rating by 1.4.
53 MOTOR VOLTAGE
This displays the output voltage in percent of the drive’s nameplate output voltage rating.
54 MOTOR LOAD
This displays the motor load in percent of the drive’s output current rating.
55 SPEED POT INPUT
This displays the level of the speed pot input signal at TB-5. A reading of 100% indicates that the
maximum speed pot signal is present at TB-5.
NOTE: Paramaters 52-55 can display values greater than 99. If the value is greater than 99, the
display will alternate between "1 -" or "2 -" (for one hundred or two hundred) and the rest of the
value. For example, if MOTOR LOAD is 137%, the display will alternate between "1 -" and "37".