MAINTENANCE DIAGNOSTIC
FLEXYII_WSHP-IOM-0909-E Page 111
WATER LEAKS
FAULT POSSIBLE CAUSE AND SYMPTOMS SOLUTION
Cooling mode:
Water carried away from the coil because
of excessive airflow and speed on the
coil.
Estimate the airflow rate and check
the speed is lower than 2.8 m/s
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
Water found in the ventilation
section
Check seals around the ventilation
section
Check the door seal
Check for the presence of silicone
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
DC 50 & DS 50
FAULT POSSIBLE CAUSE AND SYMPTOMS SOLUTION
DC50: Nothing is written on the
screen but it’s enlightened
Problem of addressing pLAN on the
DC50
Press on the three right-hand side’s
buttons at the same time during a few
seconds then reconfigure the terminal
address
(Confer DC addressing procedure)
DS50: Nothing is written on the
screen but it’s enlightened
Idem
Press on the three right-hand side’s
buttons at the same time during a few
seconds then reconfigure display
address setting at 32.
Nothing occurs on the unit or an
option disappeared
Possible problem of units' configuration
Check the instructions from 3811 to
3833 and reconfigure options if
necessary.
DS50 & DC50: the message “No
Link” appears
Problem of addresses’ recognition
Disconnect the DS50 from the unit
and then reconnect it.
All the units are extinct Problem BM50 pLAN addressing
Disconnect then re-plug; disconnect
each unit from the others then change
all the pLAN addresses
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