User manual

Fault Possible cause Remedy

storage tank

• No LED display

• Pump does not start although

yellow LED lights

• Program run has been

disturbed by short

disturbances in the power

supply grid.

• Defect, e.g. after

overloading

• Disconnect basic device

for a few seconds from

socket outlet.

• Return device to

manufacturer for repair

• Pump switches on again

shortly after deactivation

• Deactivation criteria are

already detected in the

hot-water circuit while the

activation criteria are still

active

• No changes required, the

controller automatically

corrects the erroneous

information

Technical data

Mains voltage 230 V AC 50 Hz (own power consumption max. 0.5 W)

Permissible output current max. 1.6 A

Dimensions (LxWxH) 86 mm x 56 mm x 45 mm

Sensor connection leads 2x2.5 m with one connector each

Protective quality to DIN VDE 0701