CW-7500 Series
5. Failure code table
Communication
failure alarm
E00 shown with
alarm sound
Automatic clearing
after mainboard
and operation panel
are connected well
E01 shown with
alarm sound
The compressor, condenser fans and
heater shut down
Ultra-high room
temp.alarm
E02 shown with
alarm sound
Each refrigeration part runs under
usual procedures
ultra-low water temp
alarm
E03 shown with
alarm sound
The compressor, condenser fans and
heater shut down
ultra-low water temp
alarm
E04 shown with
alarm sound
Each refrigeration part runs under
usual procedures
Wrong phase and
lacking phase alarm
E05 shown with
alarm sound
The water pump, compressor,
condenser fans and heater shut down
E06 shown with
alarm sound
The compressor, condenser fans and
heater shut down
E07 shown with
alarm sound
The water pump, compressor,
condenser fans and heater shut down
Refrigeration system
high pressure alarm
E08 shown with
alarm sound
The compressor and condenser fans
shut down
Refrigeration system
low pressure alarm
E09 shown with
alarm sound
The compressor and condenser fans
shut down
Room temp. sensor
failure alarm
E10 shown with
alarm sound
Switched to constant temp. mode and
each refrigeration part runs under
usual procedures
water temp. sensor
failure alarm
E11 shown with
alarm sound
The water compressor, condenser
fans and heater shut down
Ultra-low water level
alarm
E12 shown with
alarm sound
The unit runs normally under set
values; the water pump, compressor,
condenser fans and heater shut down
Exhaust temp. sensor
failure alarm
E13 shown with
alarm sound
Each refrigeration part runs under
usual procedures
Ultra-high exhaust
temp. alarm
E14 shown with
alarm sound
Each refrigeration part runs under
usual procedures
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