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Basic UPB/HLC Troubleshooting

Basic Setup:


  1. What version firmware – 2.6 for third party, 2.10 for HLC.  NOTE: Support for HLC was added in version 2.9 – the reason for the reference to 2.10 is an accounting for a modification added to the firmware.
  2. Device type – HLC or other.
  3. Configuration – controller or Upstart.
  4. Setup>>Names>>Units - all desired units must be named NOTE: When using HAI lighting Control, the first unit of each room "must" be named, whether a Scene Switch is installed or not.
  5. Setup>>Miscellaneous – House Code set to UPB or HAI Lighting
  6. Setup>>Installer>>Control – Network ID and Password set properly
  7. Setup>>Installer>>Expansion – verify proper Module/Serial function set to UPB  NOTE: Double-check that there are no duplicate UPB entries.


Hardware Check:


  1. PIM type – HLC or other
  2. Connection type – on-board RS-232 or 10A17-1.  NOTE: When using non-HAI PIM, it can only be connected to 10A17-1.
  3. Adapter type (if using 10A17-1) – HAI (36A05-2) or other


Physical/Audible Inspection:


  1. Status LED (10A17-1) – should blink once per second
  2. RX and TX LED’s – should blink when commands are sent/received.  NOTE: If the RX LED is solid red, it would indicate that either the PIM is in “Pulse” mode or the wiring connection between controller and PIM is bad.
  3. PIM LED – should be amber when not active and red/amber flicker when active.
  4. PIM buzz – the PIM should noticeably buzz during activity.


Other Checks for Lack of Performance:


  1. Other non-HLC Dimmers, especially Lutron – if installed, temporarily isolate/remove and re-test HLC.
  2. Phase Coupler – check Revision Sticker
  3. Three Phase vs. Two Phase
  4. Switch Buzz – switches will have an ever-so-faint buzz when not actively responding to a command.  A louder buzz can be heard when a switch is in active use.
Article ID: 504