25
Troubleshooting Alarm Codes
Code
Description
Heater Function
What To Do
A004
Compressor Shutdown: Discharge-Suction Trip. Heating source defaults to
elements due to compressor
malfunction.
Call Tech Support at 1-800-995-0982.
T005 Compressor Shutdown: Discharge Temp High.
A006
Suction Temperature Too Low.
Heating source defaults to
elements due to low air flow.
1. Check air filter and clean if necessary.
2. Check fan operation.
3. Check ducting for blockages (if applicable).
4. Refer to Use and Care Manual.
5. Call Tech Support at 1-800-995-0982.
T007 Compressor Shutdown: Comp.Feedback Failure Heating source defaults to
elements due to compressor
malfunction.
Call Tech Support at 1-800-995-0982.
A007 Compressor Shutdown: Comp.Feedback Failure.
A008 Detected Dry Fire Condition.
Dry Fire Protection--
Not sufficient water in the
storage tank. Heater disabled.
1. Fill storage tank with water.
2. Purge all air from the storage tank by
running a hot water faucet.
3. Refer to Use and Care Manual.
4. Call Tech Support at 1-800-995-0982.
T009 Compressor wiring may be faulty.
Heating source defaults to
elements due to compressor
malfunction.
Call Tech Support at 1-800-995-0982.
A101 Suction Temperature Sensor Failure.
Heating source defaults to
elements due to heat pump
temperature sensor
malfunction.
A102 Ambient Temperature Sensor Failure.
A103 Lower Heater Temp Sensor Failure.
Lower Tank Temperature
Sensor malfunction. Heater
disabled.
A104 Upper Heater Temp Sensor Failure.
Upper Tank Temperature
Sensor malfunction. Heater
disabled.
A105 Evaporator Temp Sensor Failure.
Heating source defaults to
elements due to heat pump
temperature sensor malfunction.
A106 Discharge Temp Sensor Failure.
A107 Water Detected on Floor: Check for Leaks.
Water is detected in the drain
pan.
1. Check for water leaks.
2. Refer to Use & Care Manual
3. Call Tech Support at 1-800-995-0982.
A108 Condensate Blocked: Unclog Line.
Heating source defaults to
elements due to condensate
drain blockage.
1. Clean condensate drain.
2. Refer to Use & Care Manual
3. Call Tech Support at 1-800-995-0982.
A125 Lower Element Error or Relay Stuck Closed.
Heating element or
Control board failure. Heater
disabled.
1. Disconnect power to unit.
2. Call Tech Support at 1-800-995-0982.
A126 Upper Element Error or Relay Stuck Closed.
A127 Element Wire Routing Error .
Elements mis-wired or
control board failure. Heater
disabled.
1. Disconnect power to unit.
2. Contact your installer/contractor to
rewire elements properly.
3. Call Tech Support at 1-800-995-0982
A128 Lower Element Relay Failure to Close Error.
Control board relay failure.
Heater Disabled.
Call Tech Support at 1-800-995-0982.
A129 Upper Element Relay Failure to Close Error.
A130 Unit Off/Air Temp Freezing: Enable Unit.
Ambient temperature below
freezing. --FREEZE WARNING Select mode to enable heater.
T131 Clean Filter Reminder
Air filter routine
maintenance reminder.
1. Set mode to Electric or Off.
2. Remove air filter and clean by washing
with mild detergent.
3. Dry air filter and reinstall.
4. Set unit to desired mode.
T132 Water Heater difficulty satisfying demand.
Water Heater cannot
satisfy demand.
1. Check for open faucets.
2. Check for water leaks.
3. Refer to Use & Care Manual.
4.Call Tech Support at 1-800-995-0982.
