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Dometic Elite Control DX systems Manual

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Elite Control Operations Manual Failsafe and Fault-Handling Codes
L-2230 ENGLISH 13
FAILSAFE AND FAULT-HANDLING CODES
To protect the equipment, certain fault conditions trigger a lockout: The control shuts down and will not restart until the fault is
repaired. The lockout condition depends on a combination of the failsafe level you have programmed as well as the type of fault
detected.
One of the following fault codes displays when a fault is detected:
• ASF – Indicates air sensor failure.
• FIL – Indicates filter needs to be cleaned or replaced.
• HPF – Indicates high refrigerant pressure. When in Heat Mode, “HPF” does not display and does not cause lockout.
• LAC – Indicates low AC voltage.
• LPF – Indicates low refrigerant pressure. “LPF” has a 10-minute shut down delay.
• PLF – Indicates high water temperature in condensing coil.
FAILSAFE LEVEL 0
This level provides minimal failsafe protection and is not recommended. Only the “ASF” fault is detected and displayed. The
control shuts down and will not restart until the fault is repaired. When the fault is repaired the control restarts after a two-minute
delay.
FAILSAFE LEVEL 1
This level provides the failsafe actions of level 0, plus all other faults are detected but not displayed. The system shuts down for
2 minutes or until the fault is cleared, whichever is longer. The system restarts when the fault is cleared.
FAILSAFE LEVEL 2
This level provides the failsafe actions of levels 0 and 1, plus all faults are displayed. The system shuts down for 2 minutes or
until the fault is cleared, whichever is longer. The system restarts when the fault is cleared.
FAILSAFE LEVEL 3
This level provides the failsafe actions of levels 0, 1, and 2, plus the system will lockout after four consecutive HPF, LPF or PLF
faults, and you can clear the lockout. The system shuts down for two minutes or until the fault is cleared, whichever is longer. To
clear the lockout, press the Power button once to Off Mode and press it again to On Mode.
QUICK-START OPERATIONS CHECKLIST
1. Ensure seawater-intake ball valve (seacock) is open.
2. Make sure the control is powered OFF.
3. Turn on the air conditioner circuit breaker. If the seawater pump has its own circuit breaker, turn that on also.
4. Turn the control ON.
5. Press the Fan button. Verify that the fan is running and that there is steady airflow out of the supply-air grille.
6. Select a temperature set point lower than the current cabin temperature. This starts the compressor and seawater
pump.
7. Check for a steady solid stream of water from the overboard discharge.
8. Verify that there is steady airflow out of the supply-air grille.
If the unit does not appear to be operating properly, refer to the guidelines in “TROUBLESHOOTING” on page 14.
IMPORTANT
Do not turn the unit off then immediately turn it back on. Allow at least 30 seconds for refrigerant pressure to equalize.
… 15 …


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