Apach ASH05K, User Manual

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27
50LIB055
Blast Chillers
15-TROUBLESHOOTING
TROUBLESHOOTING CHART
Display does not turn on No power supply Check connection of electrical line
One or more chamber fans do
not run
No power supply Check connection of electrical line
Fan broken
Intervention of a technician to replace
the broken fan
Power board relay broken
Intervention of a technician to replace
board
The compressor does not start
No power supply Check connection of electrical line
Compressor Start-Up Delay
Wait up to 5 minutes for compressor
start, if nothing happens intervention
of a technician
Intervention of compressor thermal
protection
Check that the unit is placed at least at
10-15 cm from the wall to allow for air
extraction
Check that condenser fan runs
Clean the condenser and wait for the
compressor to cool down
Intervention of a technician
Pressure switch intervention for high
pressure (HP Display Alarm)
Clean the condenser
Intervention of a technician
Compressor contactor broken
Intervention of a technician to replace
compressor contactor
Power board relay broken
Intervention of a technician to replace
Power board
The compressor runs but it
does not cool the chamber
No refrigerant gas in the circuit Intervention of a technician
Evaporator is packed with ice Start manual defrost cycle
Solenoid valve broken Intervention of a technician
Dirty Condenser Clean the condenser
The condensing fan does not
work
No power supply Check connection of electrical line
Fan broken
Intervention of a technician to replace
fan
Fan condenser broken
Intervention of a technician to replace
fan condenser
Compressor contactor broken
Intervention of a technician to replace
compressor contactor
The evaporator does not de-
frost
Hot gas solenoid valve stuck Intervention of a technician