Fault Code Lookup

HVAC Sales Master
E113
High line voltage
This code typically points to
  • Supply voltage above nameplate range

Next checks to confirm
  1. Measure incoming line voltage
  2. Correct supply so line voltage returns to proper range

Escalation
Normal operation interrupted until voltage back in range
Reset behavior
System resumes normal operation 5 seconds after fault recovered.
Service Soon
Schedule repair
Source
Lennox unit information doc 100027, p.11