Baxi Potterton Solar +

Potterton Solar - SolarThermal Domestic Hot Water System 25

5.0 Fault finding

Some system failure modes can be recognisedby the

solar differentialtemperature controller and will be

indicated by an errormessage on the controller display.

Refer to the table below fordetails of possible errors

and suggested measures to rectify.

Errorrepresentationondisplay Possiblereasons Measures

flashing

•Sensor wire broken • Check wire

• Sensor defect • Check sensor resistance,if necessary exchange sensor

flashing

• Short circuit in sensor wire •Check wire

• Sensor defect • Check sensor resistance,if necessary exchange sensor

• Errorin pump connection • Check cabling

• Pump defect • Exchange pump

•Air in the system • Check the float of the flow meter moves

when the system runs (if visible)

• Connection with flow • Check wire

meter defect

• Sensor wire broken • Check wire

• Sensor defect • Check sensor resistance,if necessary exchange sensor

Circulation error: no flow

Additionally at energy

productivity measurement:

flashing