S&A CWFL-4000 User Manual page 11

Ultra-low water level
E19
alarm
Exhaust temp. sensor
E20
failure alarm
Ultra-high exhaust
E21
temp. alarm
The unit runs normally under set
E19 shown with values; the water pump, compressor,
alarm sound condenser fans and heater of the
high/low temp. system shut down
E20 shown with Each refrigeration part runs under
alarm sound
E21 shown with Each refrigeration part runs under
alarm sound
11
CWFL-4000 Series
usual procedures
usual procedures
Automatic clearing
Automatic clearing
Automatic clearing