30
Troubleshooting
HEATING ISSUE 2 -
The heater trips the RCD
Instructions which are shaded must completed by a qualified
electrician.
ELECTRICIAN
Engineer Service
Call required.
Please contact
Warmup for more
information
Conduct a resistance &
insulation resistance test.
Do the figures match the
control card and/or reference
resistance bands?
Is there an earth
fault between live/
earth or neutral
earth?
Are the connections on the back
of the thermostat made in line
with the wiring diagram?
Rewire as per the
wiring diagram
Test RCD
NO
YES
YES
YES
NO
NO