Alarms - omi ESD Serie Manual Del Operador

3. Push button.
4. Quit by pushing button or wait for automatic quit.
Reset energy saving counters
1. Enter the "FUNCTIONS MENU" (
2. Find "ESA" using the buttons
3. Push button to display the energy saving counter of the last 50 working hours ("tot").
4. Push button for 3 sec: display will show "-- -" to confirm succesfull reset.
5. Quit by pushing
6.5

Alarms

The controller is able to recognize particular types of faults in the drying circuit. When this occurs, the display shows the required
information necessary to find out the cause.
The controller is programmed to recognize and display prealarms and alarms.
Alarm conditions read - out
Silencing the Buzzer (if present)
When an alarm is activated, the electronic board will emit an acoustic signal (buzzer).
The buzzer can be stopped in two ways:
- Automatically: when the alarm condition is recovered.
- Manually: push and release one of the keys of the controller; the buzzer is stopped even if the alarm is still active.
6.5.1 Prealarms and Alarms description
Prealarms show conditions of critical operation of the dryer, they will not stop the refrigerant compressor.
When this situation occurs it's suggested to make the required maintenance to eliminate the prealarm condition.
Alarms means conditions of critical operation of the dryer for a determinate preset delay, normally they are preceded by a prealarm
signalling. Alarms stop the refrigerant compressor, except Pb2, Pb3 and Pb4.
When this situation occurs it's necessary to make maintenance for recover the fault condition.
6.5.2 For display and reset an alarm
6. Enter the "FUNCTIONS MENU" (
7. Find "ALrM" using the buttons
8. Push button to display the alarms:
Lower display will show the code of the active alarm.
-
Upper display will show "rSt" label if the alarm can be resetted or "NO" label if it is not resettable.
-
- To reset an alarm push
- Scroll all alarms by using
9. Quit by pushing
Resettable alarms
An alarm is defined resettable (rSt) when the generating cause disappears. These alarms can be directly resetted by the controller
proceeding as follows:
Cod. 710.0159.01.00 Rev01 – 10.2012
The lower display shows "tot",while the upper display shows the percentage of energy aving
of the last 50 working hours.
Led is lighting.
button).
and . Push
button or wait for automatic quit (15 sec).
When a fault is detected the Lower display shows a blinking alarm label and the correspondent
icon alternating with the temperature. The Upper display always shows the Dew Point
temperature.
Buzzer active.
button).
and .
button when "rSt" label is lighted (at reset done the controller automatically skips to next alarm).
and buttons.
button or wait for automatic quit.
button.
10 - 106