Troubleshooting; Faults With Error Messages - oventrop REGTRONIC PE Operating Manual

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Troubleshooting

In principle, all system errors can be placed in one of two categories:
◼
Faults that the controller can detect automatically and for which error messages
can be shown
◼
Faults that cannot be reported by the controller

9.1 Faults with error messages

Error displayed Possible causes
on-screen
◼
◼
flashing
◼
◼
flashing
Circulation fault: ◼
no flow-through
◼
◼
+
◼
flashing
Also displayed
with energy yield
◼
measurement:
◼
◼
Disruption to sensor cable
Sensor defective
Short-circuit in sensor
cable
Sensor defective
Fault in pump connection
Pump defective
Air in the system
Flow meter defective
Connection to flow meter
defective
Disruption to sensor cable
Sensor defective
Action to take
Check cable
Check sensor resistance,
replace sensor if neces-
sary
Check cable
Check sensor resistance,
replace if necessary
Check cabling
Replace pump
Vent system
If visible, check whether
the flywheel of the
meter moves when the
system is running
Check cable
Check cable
Check sensor resistance,
replace sensor if neces-
sary