HVAC Sales Master

Fault Code Lookup

HVAC Sales Master
A109
Suction pressure out of range
This code typically points to
  • Suction-pressure transducer issue or abnormal reading
Next checks to confirm
  1. Check suction-pressure transducer connection to control
  2. Note that if operating in heating mode, this flash code is normal
Escalation
Minor severity 0
Reset behavior
Clears when transducer reading/condition normalizes.
Service Soon
Schedule repair
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 10 flashes.
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