Lennox E014AH055FM2M, Инструкция по установке, эксплуатации и обслуживанию

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eNeRGy-IOM-2020.12-EN
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WATER INFILTRATION
FAULT POSSIBLE CAUSE AND SYMPTOMS SOLUTION
Water found in the
ventilation section
Cooling mode:
Water carried away from the coil
because of excessive airflow and speed
on the coil.
Check the air flow rate and reduce it if
necessary
Low air pressure in the compartment
due to a high airflow rate or a high
pressure drop before the fan
Check filter
Reduce airflow rate
Degraded ventilation section seals
Check the door seal
Check for the presence of seals in
the corners of the door and at the
bottom of the refrigeration section
bulkhead.
Water ingress in the filter
compartment
Water ingress through a leaking fresh
air hood
or when running 100% fresh air Check the seals and flanges in the fresh
air hood
Reduce the airflow rate if necessary
CLIMATIC DISPLAYS
FAULT POSSIBLE CAUSE AND SYMPTOMS SOLUTION
Nothing is written on the
screen
but it’s enlightened
Possible problem of display addressing’
See Climatic control manual for more
information
Nothing occurs on the unit
or an option disappeared
Possible problem of units' configuration
See Climatic control manual for
more information
The message “no link” appears Problem of addresses’ recognition
Check the connections and wiring (pay
attention to the polarity of the display
power supply).
Check the displays
REFRIGERANT PROBE
FAULT POSSIBLE CAUSE AND SYMPTOMS SOLUTION
The unit is stopped and does
not want to restart
Refrigerant leak detected
Perform leak detection, repair the leak,
recharge the unit, reset the detector
Faulty sensor or sensing element
Check the LED status of the sensors.
Refer to paragraph R32 sensor for the meaning
of the LEDs.
MAINTENANCE DIAGNOSTIC
WARRANTY
MAINTENANCE DIAGNOSTIC