HVAC Sales Master

Fault Code Lookup

HVAC Sales Master
82-16
VFD low line voltage (inverter outdoor)
This code typically points to
  • Low utility supply voltage
  • Loose connection creating voltage drop
  • Poor power quality
Next checks to confirm
  1. Measure line voltage at inverter input
  2. Inspect power connections
Escalation
4 occurrences in 1 hour escalate to 82-56 lockout.
Reset behavior
Shutdown/reset with retry after 5-minute compressor protection delay.
Urgent
Fix now
Need deeper detail?
Retrieve the subcode for this platform:
  1. From the main screen, touch Menu
  2. Touch and hold the Service icon for at least 10 seconds until it turns green
  3. Open Service Information
  4. Use View Diagnostics for the most recent fault's top three likely root causes
  5. Use Last 10 System Events for timestamped recent events
  6. Use Run/Fault History for resettable fault counters, cycle counters, and run times
Source
186CNV/284ANV service manual
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