Fault Finding - Baxi Solarflo Commissioning, Maintenance & Servicing Manual

Error representation on display Possible reasons
!
flashing
!
flashing
Circulation error: no flow
!
+
flashing
Additionally at energy
productivity measurement:
© Baxi Heating UK Ltd 2008
• Sensor wire broken
• Sensor defect
• Short circuit in sensor wire
• Sensor defect
• Error in pump connection
• Pump defect
• Air in the system
• Connection with flow
meter defect
• Sensor wire broken
• Sensor defect
5.0

Fault finding

5.1 Failures with error message
Some system failure modes can be recognised by the solar
differential temperature controller and will be
indicated by an error message on the controller display. Refer
to the table below for details of possible errors and suggested
measures to rectify.
Measures
• Check wire
• Check sensor resistance, if necessary exchange sensor
• Check wire
• Check sensor resistance, if necessary exchange sensor
• Check cabling
• Exchange pump
• Check the float of the flow meter moves
when the system runs (if visible)
• Check wire
• Check wire
• Check sensor resistance, if necessary exchange sensor
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