e bunt.doc
Rev. 14.06.2010
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Perrot REGNERBAU CALW GmbH
Industriestraße 19-27 / D-75382 Althengstett / Germany
Telefon : 0049-7051-162-0 / Fax : 0049-7051-162–133
E-mail : perrot@perrot.de
/ E-mail Konstruktion : technik@perrot.de
12
Troubleshooting
12.1
Malfunctions
Problem Cause Remedy
Screw for ‘Manual
opening’ is set to OFF
Turn screw to the left as far
as it will go
Core is jammed in the coil
Take out coil and clean core
No / inadequate power
supply
Establish 24V AC power
supply
Coil defective
Check coil resistance (should
be ca. 35 ohms) and replace
if necessary
Valve opens/closes only with
manual opening, but not on
any electric signal
Overflow channel from coil
clogged
Clean channel
Control water hole or relief
hole clogged
Clean control water / relief
hole
Valve fails to open even with
manual opening
Feeder pipeline under no /
insufficient pressure
Establish pressure supply
Coil seat dirty
Clean coil seat
Bits of dirt between valve
seat and sealing plate
Clean valve seat and sealing
plate
Diaphragm defective
Take out valve and replace
diaphragm
Insufficient drop in pressure
at the valve
Tighten ‘pressure regulator
screw’
Valve fails to close
Control water filter dirty
Clean control water filter
Inlet nozzle incorrectly set
(see chapter 7)
Set inlet nozzle to correct
nozzle diameter
Turbine blocked by stones
or bits of dirt
Clean turbine
Rotary speed too low / too
high or does not rotate at all
Inlet nozzle or filter have
worked loose
Clip parts together again
Stones and bits of dirt are
hindering an unimpeded
flow-through of water
Clean valve and flush
sprinkler
Output pressure at sprinkler
nozzle too low or casting
range too short
Pressure regulator in minus
(-) position
Turn pressure regulator
screw to the left towards (+)
Subject to change without prior notice.
