Filtration Group R5-3, Translation Of The Original Instructions

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Page 8
Translation of the original instructions with installation instructions R5- Filtration Group GmbH,, 24.05.2019, Mat. No. 70580785, Revision 04
13 Troubleshooting
 Refer to the controller Instruction
Manual for all controller faults.
Fault Possible
cause
Remedy
Gear motor does
not turn Motor circuit
breaker tripped Reset the motor
circuit breaker
Test the gear motor
Dirt particles too
coarse Clean the filter
insert
Valve does not
open
N198 Not enough
compressed air Increase the
pressure
Pilot valve defective Test the pilot valve
and replace it if
necessary
Pilot valve
incorrectly
connected Check the electrical
and pneumatic
connections and
alter them if
necessary
Valve does not
open
N187 No control voltage
available Check cable
connection
No signal for open
and close Check output 2 at
PLC
Valve does not
opnen
N200 No signal for open
and close Check output 2+3
at PLC
Initial differential
pressure
no longer
reached Solids
concentration too
high Use a suitable
prefilter
Cleaning time too
short Increase the
cleaning time
(refer to the
Instruction Manual
for the E900 filter
controller)
Insufficient back-
flushing volume of
external medium Check pump
Increased
concentration of
dirt on clean
side Filter insert
defective Check the filter
insert and renew it
if necessary
Seals brittle Check the seals
and renew them if
necessary
Excessive
leakage at shaft
seal Shaft seal defective Renew the shaft
seal
Shaft seal
incorrectly mounted Check the seat of
the shaft seal
Differential
pressure too
high Gear motor
defective Test the functioning
of the gear motor
Flush valve
defective Test the functioning
of the flush valve
Filter controller
defective or
incorrectly
programmed Test the functioning
of the filter
controller and
reprogram the
times if necessary
Back pressure too
high or flush
pressure too low Check the flush
pressure and back
pressure in the
flush pipe
Automatic filter dirty Clean the automatic
filter
Contamination level
too high Use a prefilter
14 Maintenance
WARNING!
If the system is maintained by unauthorised persons

Risk of injury

All warranty claims are rendered invalid

The system must be maintained by a suitably
trained person!
Before all maintenance work:

Shut down the automatic filter (refer to section 12).
 Take steps to prevent contaminated medium from
entering the clean side; discharge the filter via the
discharge screw if necessary.
 Take steps to prevent the automatic filter from
being switched on again by unauthorised persons.
 Wear protective clothing and equipment
appropriate to the hazard potential of the medium
(e.g. goggles, respirator, protective clothing, etc.).
 Carry out the maintenance work.
 Start up the automatic filter again
(refer to section 10).