VOLTAGE PCB TO FLOW SWITCH

Isolate Mains Power to appliance as per TOPs P4

Set Multimeter to DC Volts

Gain access to flow switch inline connector
Ensure HW tap is turned OFF

WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure

Mains Power On

Measure the voltage between the White and Black wires on the inline connector.
Expected voltage approximately 5V DC.

Note:
Place connector on an insulation mat to carry out this test, do NOT hold connector.