HVAC Sales Master

Fault Code Lookup

HVAC Sales Master
82-57
High line voltage lockout
This code typically points to
  • Sustained high utility voltage
  • Poor power quality
Next checks to confirm
  1. Measure line voltage with power quality analyzer
  2. Verify utility supply quality
Escalation
2-hour equipment lockout.
Reset behavior
2-hour lockout. Clears after lockout if voltage returns to spec.
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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