E15
''TEMPERATURE
SENSORS MEASUREMENT
DEVIATION
FAULT
''
Check whether
temperature sensors are
mounted
and
sensors
work properly.
Main board may be
broken
.
Replace main
board.
Replace temperature
sensors for
CH
supply
and
CH
return waters.
YES
NO
E16
''SUPPLY WATER
TEMPERATURE SENSOR
FAULT
''
Check whether
supply water temperature
sensor is
mounted
and
sensors work
properly.
Replace
CH
supply
water temperature
sensor.
Main board may be
broken.Replace main board.
YES
NO
29