Troubleshooting; Troubleshooting And Alarm States - Pepperl+Fuchs LAL-SRW3 Handbuch

WARNING DEVICE LAL-SRW3

Troubleshooting

6 Troubleshooting
6.1

Troubleshooting and Alarm States

Note!
If the DIP switch "Acoustic alarm" is set to ON (see chapter 4.1), an acoustic
signal sounds when an alarm or sensor fault occurs.
LED indication
All LEDs are off.
"SYSTEM OK" LED
flashing.
"SYSTEM OK" LED
lights up.
"SYSTEM OK" LED
flashing.
"OVERFLOW ALARM"
LED lights up.
"OVERFLOW ALARM"
LED flashing.
"SLUDGE ALARM" LED
lights up.
"SLUDGE ALARM" LED
flashes.
Cause
The warning device is not
functioning.
System is being put into
operation. Overflow
sensor in warm-up phase.
(approx. 10 s ... 20 s)
No alarm at present. The warning system is operating normally.
No alarm at present. An
alarm occurred in the past.
Excessive liquid level
Sensor fault or lead
breakage
Maximum sludge level
reached.
Sensor fault or lead
breakage
Action
Check that the supply voltage is connected.
Wait until the overflow sensor has reached
operating temperature.
1. Check the status of the separator.
2. Press the "ALARM RESET" button.
It is essential to check the separator status. If
necessary, takes measures to stop the alarm
situation. The alarm situation can result if:
The coalescence filter is blocked or
■
the drain is defective or blocked.
■
Check sensor and sensor installation and
replace overflow sensor, if necessary.
It is essential to check the separator status.
Empty (disposal) the oil/petrol separator, if
necessary.
Check sensor and sensor installation and
replace sludge level sensor, if necessary.
EN
EN - 29