21 LOCKING AND UNLOCKING THE BUTTONS
To avoid loss of set data, it is possible to lock the parameter modification buttons and enable only
the START, STOP and RESET buttons.
Turn the main switch to power up the machine.
As soon as the software version appears on the control panel display,
press the buttons START and STOP at the same time.
All buttons are now locked, except START, STOP, and RESET. Dotted
lines are displayed.
Repeat the same operation sequence to enable the locked buttons again.
22 ALARMS
If a breakdown occurs, the problem is identified and localised through an alarm message
appearing on the display.
List of the alarm messages shown on the display when a malfunction occurs.
Emergency button pressed
Err02 Flash KO
Problem with flash memory (contact
assistance)
Err03 EE KO
Problem in the EEProm memory (contact
assistance)
Err04
Corto24In
Absorption too high side 24V output for digital
inputs.
Err05
Inverter Communication Error
Problem with inverter communication
(contact assistance)
Err06 Stuck Relay
Problem with stuck power relay
(contact assistance)
CRESCO UCP REV10 30
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