HVAC Sales Master

Fault Code Lookup

HVAC Sales Master
111
No Valid Suction Temp / Control fault (dual meaning depending on LED10 flash count)
This code typically points to
  • LED10 8 flashes = no valid suction temp: sensor not plugged in or out-of-tolerance resistance
  • LED10 11 flashes = control fault: board failure / control not functioning
Next checks to confirm
  1. For no-valid-suction-temp (LED10 8 flashes): verify sensor is plugged in and resistance is in tolerance
  2. For control fault (LED10 11 flashes): control is not functioning — replace control
Escalation
No Valid Suction Temp is critical severity 1; Control fault is board-level failure
Reset behavior
Clears when sensor/control issue is corrected.
Urgent
Fix now
Need deeper detail?
Retrieve the subcode for this platform:
  1. On EcoNet Control Center: Press the Service icon when flashing
  2. Select Current Alarm to view active equipment alarms
  3. Select Alarm History to review past alarms with timestamps
  4. Select Reminders for maintenance notifications
  5. Service-alert items can be reset from the Service screen
  6. Equipment-level alarms clear automatically when the underlying equipment fault is corrected
Source
Rheem RH2T/RHMV Installation Instructions air-handler diagnostic table. LED10 8 flashes (suction temp) or 11 flashes (control fault).
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