GRUNDFOS
INSTRUCTIONS
www.grundfos.co.uk
Page 11 of 35
7.7 Setting of the Automatic weekly test time
The time of day that the self-test is performed can be programmed by pressing the Test/Reset
button for more than 5 seconds and releasing after the buzzer beeps.
This should be done at Commissioning stage and can be re-set by the user at any time.
This will reset the weekly test time to the same time every week.
7.8 Annual service reminder (12 months from system verification)
At the end of every twelve month period the
Service
LED is activated to remind the user that
the unit is due its yearly service and BS 9251:2014 Annual test. Refer to the servicing and
annual test checklist.
7.09 Excessive pump operation / Leak detection (> 10 operations in a 7 day period)
If the pump is activated more than ten times in any 7 day period the system is deemed to have
a leak and hence maintenance is required. The
Fault
Digital output and
Fault
LED are activated.
This can be reset after it has been attended to by following the service mode instructions in
section 7.1. This should be done against a closed valve system pressurised condition.
Press and hold
the Test button
for > 5 seconds
Pump runs
Buzzer beeps
once
Release button
