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15
en
5
Troubleshooting
• Pump defective
• Flushing hose or dirt filter blocked
• Too much air inside the pump.
In this case, the pump can be vented
by means of the screw at its front
side (see fig.).
• Pump defective
• Pressure hose blocked
Problem
Possible causes
Pump does not prime
Pump does not build up pressure
6
Accessories
vent screw
overheat protection
(thermistor)
• Pump overheated (115 V~ version
only)
The overheat protection (thermis-
tor) has been triggered. Wait until
the pump has cooled down, then
push in the overheat protection.
Pump cannot be switched on
“Regusol” FSA Filling and flushing unit
Article no. 136 30 51