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Operating instructions – continued, Troubleshooting – atwood Air Conditioners (13500, 15000) User Manual

Page 12

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OPERATING INSTRUCTIONS – Continued

DRY
- The DRY mode is used when the room temperature is close to comfortable but you wish to dehumidify.
- Press MODE button to highlight DRY.
- Set the temperature to desired set point. Note: the fan speed is locked in LOW.
- The compressor will cycle on and off at approximate intervals of 6 minutes to extract moisture from the air.
SLEEP
- With the unit operating in heat or cool mode, press sleep button to highlight the sleep light. The unit over
the next hour will automatically raise the set point by 2°F. Conversely in heat mode, the set point will be
lowered 2°F.
TIMER
- The timer may be used to turn off the unit in the future (up to 24 hours) OR may be used to turn on the
unit up to 24 hours in the future.
- Press TIMER button once and the display will flash. Within 3 seconds, press the timer button until you
have set desired time into the future to turn unit off. A subsequent press of the timer button will allow the
time to start the unit to be programmed.
LOCKING
- This provides a means of locking in the mode and fan settings. To lock, press temp down key
simultaneously with MODE button. Hold for 3 seconds and the lock indicator will light. To unlock, repeat
above procedure.
DISPLAY SETTING
- To change readout from Celsius to Fahrenheit or vice versa: Press temp down key simultaneously with

the Fan key.


TROUBLESHOOTING

Control Pad will not illuminate when ON/OFF
button is pressed


Unit does not cool




Unit does not heat









Insufficient cooling capacity








An error code is displayed on control panel
(E1 to E5)

- Check circuit breaker is on
- Control cable may be unplugged between outside
unit and inside fascia
- Check power supply to vehicle

- Check circuit breaker is on
- Control cable may be unplugged between outside
unit and inside fascia
- Check power supply to vehicle

- Ensure mode has been switched to heat (check green
LED)
- Thermostat set point must be above room
temperature
Note: The compressor has a 3 minute
delay before starting
- In very cold conditions the unit will take more time to
start producing warm air

- Ensure return air filters are clean
- Operate the unit on high fan speed to obtain
maximum capacity
- Ensure all windows, doors, skylights and hatches
are closed and curtains/awnings used to reduce heat
load, check for adequate insulation in roof & walls



- Contact Atwood service department