Control Techniques Commander SE HF Trip Codes

The Control Techniques Commander SE Microdrive series is an AC open loop vector that provides great flexibility as well as a small footprint.  Although this series is reliable you may encounter one of the HF Trip codes listed below.  These codes are a result of an internal error in the drive.  Most often these trip codes can be resolved by powering down and allowing the drive sit for 5 minutes before powering up again.

If the HF Fault code does not clear then your drive will likely require a repair.

Here is a list of possible Control Techniques Commander SE HF Trip Codes:

• HF01 – SOFTSTARTFAIL: Soft start relay failure detected by DSP (not applicable to SE size 5).
  • If the inrush/softstart relay opens u while the drive is running or does not close correctly, the drive will trip on HF01.
• HF02 – OIFAILURE: OI trip detected at power up.
  • If the drive detects an OI.AC (over-current trip on power up), then the drive will trip on HF02 and not OI.AC.
• HF03 – FANFAILED: Cooling fan not running (if fitted). No PWM detected by micro.
  • If your Commander SE is fitted with a heatsink cooling fan and its fails, the drive will trip on HF03.
• HF70 – LEVEL1OVERRUN: User code level 1 overrun.
• HF71 – LEVEL2OVERRUN: User code level 2 overrun.
• HF72 – LEVEL3OVERRUN: User code level 3 overrun.
  • The user interface code (control PCB microprocessor) runs on different priority levels and each task has a set time to complete its tasks. If for some reason the code cannot complete its task within the alloted time, it will trip HF70, HF71, or HF72.
• HF73 – DSPCOMMS: Communications between processor and DSP not working
  • The two microprocessors talk to each other via 2 wire RS485 serial communications. If this internal serial communication link fails, then the drive will trip HF73.
• HF74 – DSPOVERRUN DSP: code overrun.
  • This trip code is like HF70, 71, and 72 but with the Digital Signal Processor (DSP) on the power PCB.
• HF83 – POWERBOARD CODE: Incorrect power board code.
  • The DSP reads voltage from the power PCB to determine the correct kW amount. If this voltage is different than the expected value, the drive will trip HF83.
• HF88 – WDOG: User code watchdog failure.
• HF90 – STACKOF: User code stack overflow.
• HF91 – STACKUF: User code stack underflow.
• HF92 – ILLOPCODE: User code illegal opcode.
• HF96 – ILLADDRESS: User code illegal address.
• HF98  -INTCRASH: User code interrupt crash error.
  • While the user code is running, it is continuously checking that the data it is receiving is valid, and that the addresses are valid, etc. If it detects a problem, it will trip one of the 6 codes above: HF88, HF90, HF91, HF92, HF96, or HF98.

If you are interested in repairing or replacing your Commander SE Drive call us at 1-800-691-8511 or email sales@mroelectric.com.  You may also view our stock of Commander SE series.