Grundfos MQ 3-45 - Frequently Asked Questions (FAQ); FAQ: Pump Start, Stop, and Pressure; FAQ: Tank, Dry-Run, Overtemperature, and Gauge

28.04.2003
GB
18 / 24
4.10.2 Observation B
B1
TM02 2369 4201
Turn off the tap.
B2
TM02 2371 4201
If the pump enters an alarm condition after 60 sec.,
replace the pressure switch.
If the pump stops within 15 sec. and does not enter an
alarm condition, continue the fault finding procedure.
B3
TM02 2372 4201
Disconnect the electricity supply by pulling out the plug.
B4
TM02 2375 4201/TM02 2376 4201
Turn on the tap. Remove the pressure from the system.
B5
TM02 2378 4201
Remove the controller.
15 sec.
Controller