Troubleshooting - Arneg Barcellona Manuel D'installation Et De Service

25. Troubleshooting

DANGER! Live parts. Electrocution.
REMOVE THE ELECTRIC POWER SUPPLY BEFORE ANY OPERATION!
Problem
• power black-out
The cabinet
stops and
• master switch turned off
does not re-
start
• breakers triggered (fuses,
thermal breakers/differential
switches)
• electric controller faulty
• the cabinet is in defrosting
The cabinet
phase
does not cool
sufficiently • air inlets are obstructed
• the load is not distributed
evenly
• the capacitor is dirty
• the cabinet is next to air cur-
rents or heat sources
• the cabinet is not levelled
• screws and bolts are not tight-
The engine is
ened
noisy
• the cabinet is not levelled
• poor room conditions
Condensate
• poor air ventilation
• the window heaters do not
work
• the windows are not closed
properly
05060169 00 04-08-2017
Possible causes
once the electrical supply has been restored, check that all the electrical
equipment in the store will restart without triggering the overload pro-
tection devices; otherwise, modify the system to differentiate the enable-
ment of the various devices.
If power is not restored in a short time, store the goods in a cold room to
maintain the storage temperature.
Possible solutions
• check the cause of the black-out
• turn on the switch.
• check the temperature of the condensing
unit
• repair/replace the controller
• wait for defrosting to complete (about
30min)
• release air inlets
• load the goods in order (Fig.12)
• clean the capacitor chap. 20.4
• check the position of the cabinet inside the
store
• level the cabinet see
• tighten the bolts and screws
• level the cabinet
• check the position of the cabinet inside the
store
• check the operation of fans and wiring
• check electrical connections.
• check the operation of heating elements
• close the windows properly
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