Lennox eNeRGy Series Installation, Operating And Maintenance page 62

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