9.2 Operating states
Illustration
Description / explanation
Disconnected
•
All LEDs are off.
Switch on / power-on self-test
• All LEDs are on for 1 second.
• The
BEKOMAT
®
carries out a diagnosis of the
electronics unit.
n = 2
Positive power-on self-test
number of repetitions n = 2x
•
The red ALARM LED is off.
• The green VALVE LED is on while the solenoid valve is
cycling.
• The green POWER LED is on.
• The solenoid valve is cycling.
0
The
BEKOMAT
®
switches to normal operation.
n = 20
n = ∞
Negative power-on self-test
number of repetitions n = 20x
• The red ALARM LED is on.
• The green VALVE LED is on while the solenoid valve is
cycling.
• The green POWER LED is on.
• The solenoid valve is cycling.
0
The
BEKOMAT
®
goes into fail-safe operation
(continuous loop n = ∞).
• The solenoid valve is cycling once per second.
Ready for operation (normal operating mode)
•
The red ALARM LED is off.
•
The green VALVE LED is off.
• The green POWER LED is on.
BEKOMAT
®
12i / 12i CO / 12i CO PN63
Original installation and operation manual
48 | 76
