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Astana LX - Mini Astana LX
English
05060194 01 05-2022
62
28.
Troubleshooting
Problem
Possible causes
Possible solutions
The cabinet
stops and
does not
restart
•
power black-out
•
check the cause of the black-out
•
master switch turned off
•
turn on the switch
•
plug detached
•
insert the plug
•
breakers triggered (fuses,
thermal breakers/differential
switches)
•
check the temperature of the condensing
unit
•
electric controller faulty
•
replace the controller
once the electrical power supply has been restored, check that all the
electrical equipment in the store will restart without triggering the over
-
load protection devices; otherwise, modify the system to differentiate the
start-up of the various devices.
i
If power is not restored in a short time, store the goods in a cold room to
maintain the storage temperature.
The cabinet
does not cool
sufficiently
•
the cabinet is in defrosting
phase
•
wait for defrosting to complete (about 30min)
•
air inlets are obstructed
• release air inlets
•
the load is not distributed even
-
ly
•
load the goods in an orderly fashion (Fig.23)
•
the cabinet is next to air cur
-
rents or heat sources
•
check the position of the cabinet inside the
store chap.13
•
the cabinet is not levelled
•
level the cabinet see chap.13
•
evaporator frozen
•
thaw it
The engine is
noisy
•
screws and bolts are not tight
-
ened
•
tighten the bolts and screws
•
the cabinet is not levelled
•
level the cabinet chap.13
Condensate
•
poor room conditions
•
check the position of the cabinet inside the
store chap.13
•
poor air ventilation
•
check the operation of fans and wiring
•
the window heaters do not work
•
check electrical connections
•
check the operation of heating elements
•
the windows are not closed
properly
•
close the windows properly
Cabinet
temperature
is too high or
too low
•
poor room conditions
•
check the position of the cabinet inside the
store chap.13
•
output air temperature is out
-
side the specified range
•
check the operation of evaporator fan
•
check wiring and input voltage
•
the fans are installed reversely; check and re
-
store the air flow direction
•
check that fan plenum is sufficient and not
obstructed
•
check the intake pressure that should comply
with rated specifications
•
the cabinet is defrosting.
•
check defrosting parameters
•
the capacitor or the evaporator
are freezing.
•
check that the suction line is not obstructed
•
the capacitor or the evaporator
are obstructed or dirty.
•
proceed with cleaning operations see chap.20
•
the load is not distributed even
-
ly
•
load the goods in an orderly fashion (Fig.23)
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