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17
FAULT DIAGNOSIS FLOW CHART
ICE BANK CONTROL
Is the
compressor
running
Is there a
power supply
to the control
board
Is the icebank
probe connected
Is there an
icebank
Are the coils frozen
into the ice and\or the
compressor does not
switch off
No
Internal wiring
fault
No
Disconnect
the probe
Is the ice probe
sensor covered
with ice
Does the
compressor
stop running
Reconnect
icebank probe
System OK
Replace PCB
board
Yes
No
No
Yes
Yes
No
Replace
Icebank probe
Yes
Yes
Short out the
probe contacts
Yes
Does the
Compressor
start
Probe contacts
need cleaning
or water in bath too pure.
Yes
Replace
Icebank probe
No
No
Yes