4-7. ALARM INDICATIONS AND ACTIONS TO BE TAKEN
4-7-1. How they are shown
When an abnormity is detected, alarm buzzer sounds(option) and the alarm code is shown
on the data display and the indication lamp of “STOP” key blinks.
The Chiller stops for safety reasons after a dilution cycle operation.
Depending on the kind of the alarm, it stops without a dilution cycle operation.
Display example :
Chilled water low temperature
When plural abnormity occurs, a higher priority code is shown and a dot is marked at
the bottom right of the alarm code as shown below.
Display example :
Chilled water low temperature
In this case the next priority
code can be shown by
pressing
▲
key.
Display example :
High temperature generator's
solution level is too low.
4-7-2. Actions to be taken
THE CHILLER
ACTION
An alarm occurs.
Alarm buzzer sounds, and the
indication lamp of “STOP” key blinks.
Alarm code is shown on the data display.
Press the “BUZZER STOP” key on the
operation board.
The alarm buzzer stops.
Check the content of the alarm and
solve the problem.
Press “STOP” key on the operation board
after the troubleshooting is completed.
The indication lamp of “STOP” key stops
NOTE :
blinking and lights up. The alarm code on
the data display disappears.
Start operation reffering to
Section 4-3
Operation restarts.
Data display shows alarm
again If the “STOP” key is
pressed before eliminating the
cause of the alarm.
Make sure this is done.
4-10
