RM-208 CB.13.01 Easy Line Documentation
RDN 10000795
11
20.03.2019
7 Troubleshooting
Error
Possible causes
Recommended action
The “ON” LED is not lit and input
10, 11 is bridged.
-
No mains voltage
-
Check power feed
-
Device fuse is defective
-
Replace fuse
-
EMERGENCY STOP
activated
-
Check EMERGENCY STOP
No valve activity
-
No control system release
-
Bridge input 10, 11
-
Wiring to valves interrupted
-
Check cables and electrical
connections
-
Magnet coil faulty
-
Replace coil
No down time cleaning
-
Parameter P05 = 0
(down time cleaning cycles)
-
Set parameter P05 “Down
time cleaning cycles” to a
different value
-
There is no signal from the
fan control
-
Activate signal to input 10, 11
Cleaning ineffective
-
Interval time too long
-
Set parameter P02 “Interval”
to a lower value
-
Pressure too low
-
Set pressure to 6 ... 8 bar
(min. 5 bar)
-
Set parameter P02 “Interval”
to a higher value
-
Valve faulty
-
Check / replace valves
-
Pulse time too short
-
Set parameter P01 “Pulse
time” to a higher value
“Alarm” LED on
-
The number of valves is set
incorrectly
-
Set parameter P04 “Total no.
of valves” correctly
7.1 Instructions for the replacement of the device fuse
Switch off the supply voltage of the device at the in-line fuse element of main switch and take
precautions against reactivation.
Check whether main supply line carries no voltage.
Unscrew the six screws of the RM-208 CB housing cover and remove the cover.
Pull off the transparent plastic cap of the fuse holder (see picture).