Fault Code Lookup

HVAC Sales Master
46
Auxiliary-limit/low-pressure-switch open with inducer low
This code typically points to
  • Pressure proving abnormality with inducer at low speed
  • Public snippet does not expose full detail

Next checks to confirm
  1. Check pressure switches and inducer low-speed operation
  2. Detailed tree not exposed in accessible snippet

Escalation
Heating sequence terminates
Reset behavior
Clears when condition is corrected.
Urgent
Fix now
Source
Rheem RGFD Installation Instructions public search snippet. Specific meaning 'auxiliary-limit/LPS open with inducer low' confirmed in older modulating manual family.