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Garrison Air Conditioner Error Codes

Error CodesMeaning
E5It is water full in the unit, you should drain the water
E41-Pull out the rubber plug to drain water. 2-If it is often in this state, please contact qualified service technician.
ASRoom temperature sensor error-Unplug the unit and plug it back in.
HSElectric heating sensor error-Unplug the unit and plug it back in.
  1. Portable AC
  2. Window/Wall-Type AC

1- Portable AC Error Codes:

Garrison Portable AC Error Codes
Garrison Portable AC Error Codes
  • If the unit displays error code E5, it is water full in the unit, you should drain the water, see “Draining the air conditioner”. After draining, you can operate and use the unit again.
  • Does not run and water full indicator E4; 1-Pull out the rubber plug to drain water. 2-If it is often in this state, please contact qualified service technician.

2- Window/Wall-Type AC Error Codes:

Garrison Window-Wall Type AC Error Codes
Garrison Window-Wall Type AC Error Codes
  • AS Error: Room temperature sensor error-Unplug the unit and plug it back in.
  • HS Error: Electric heating sensor error-Unplug the unit and plug it back in.

Note: If the unit breaks off unexpectedly due to the power cut, it will restart with the previous function setting automatically when the power resumes.

Troubleshooting

Problem: Air conditioner does not start

Solution:

  • Wall plug disconnected. Push plug firmly into wall outlet.
  • House fuse blown or circuit breaker tripped. Replace fuse with time delay type or reset circuit breaker.
  • Plug on current device tripped. Press the RESET button.
  • Power is OFF. Turn power ON

Problem: Air from unit does not feel cold enough

Solution:

  • Room temperature below 62 F (17 C ). Cooling may not occur until room temperature rises above 62 F (17 C).
  • Temperature sensing behind air filter element touching cold coil. Keep it from the cold coil.
  • Set to a Lower temperature.
  • Compressor stopped when changing modes. Wait for 3 minutes after set to the COOL mode.

Problem: Air conditioner cooling, but room is too warm- ice forming on cooling coil behind decorative front.

Solution:

  • Outdoor temperature below 64 F (18 C). To defrost the coil, set FAN ONLY mode.
  • Air filter may be dirty. Clean filter. Refer to Care and Cleaning section. To defrost, set to FAN ONLY mode.
  • Thermostat set too cold for night-time cooling. To defrost the coil, set to FAN ONLY mode. Then, set temperature to a Higher setting.

Problem: Air conditioner cooling, but room is too warm- no ice forming on cooling coil behind decorative front.

Solution:

  • Dirty air filter- air restricted. Clean air filter. Refer to Care and Cleaning section.
  • Temperature is set too High, set temperature to a Lower setting.
  • Air directional louvers positioned improperly. Position louvers for better air distribution.
  • Front of units is blocked by drapes, blinds, furniture, etc. – restricts air distribution. Clear blockage in front of unit.
  • Doors, windows, registers, etc. Open- cold air escapes. Close doors, windows, registers.
  • Unit recently turned on in hot room. Allow additional time to remove Stored heat from walls, ceiling, floor and furniture.

Problem: Air conditioner turns on and off rapidly

Solution:

  • Dirty air filter- air restricted. Clean air filter.
  • Outside temperature extremely hot. Set FAN speed to a Higher setting to bring air past cooling coils more frequently.

Problem: Noise when unit is cooling

Solution:

  • Air movement sound. This is normal . If too loud, set to a slower FAN setting
  • Window vibration – poor installation. Refer to installation instructions or check with installer.

Problem: Water dripping INSIDE when unit is cooling.

Solution: Improper installation. Tilt air conditioner slightly to the outside to allow water drainage.
Refer to installation instructions – check with installer.

Problem: Water dripping OUTSIDE when unit is cooling.

Solution: Unit removing large quantity of moisture from humid room. This is normal during excessively humid days.

Problem: Remote Sensing Deactivating Prematurely

Solution:

  • Remote control not located within range. Place remote control within 20 feet & 180 , radius of the front of the unit.
  • Remote control signal obstructed. Remove obstruction.

Problem: Room too cold

Solution: Set temperature too low. Increase set temperature.

Garrison Air Conditioner Manual PDF

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