Fault Code Lookup

HVAC Sales Master
A103 / A106
No model data present
This code typically points to
  • Missing or incorrect memory-card system information

Next checks to confirm
  1. Replace memory card with correct system information

Escalation
Critical severity 1
Reset behavior
Clears after correct memory card/model data is restored.
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 2 flashes.