56>> Troubleshooting Guide - Auto-Sleeper Harmony User Instructional Handbook

Troubleshooting
Guide
Display indicators
Different symbols will appear on your display screen to indicate various system status
conditions and warn you of any problems that require your attention.
If these measures do not remedy the fault or if fault codes are displayed that you
cannot find in the troubleshooting guide, please contact the appliance manufacturer.
56 Harmony - Troubleshooting Guide
Sargent EC700 Control Panel
Fault Possible Cause Proposed Fix
Connecting lead
between the site Fan is switched off. (only selectable if
and Leisure Vehicle no appliance is in operation).
not connected
RCD switched off Reset RCD as per page 07
Check supply polarity; if the RCD continues
RCD not operating
to fail contact your Dealer as there is
No 230 volt
correctly
probably an equipment or wiring fault.
output from
PSU
Reset MCB by switching OFF (down position)
then back ON (up position), if the MCB
MCB switched off
continues to fail contact your Dealer as there
is probably an equipment or wiring fault.
No or deficient
Contact site Warden for assistance.
supply from site
Other fault Contact your Dealer.
The reverse polarity light is designed to
illuminate when the Live and Neutral supply
has been reversed / crossed over. If the light
illuminates there is a problem with the site
supply or the cable connecting the supply to
Mains Supply
your vehicle. The light is designed to work on UK
reversed?
electrical supplies (where the neutral conductor
is connected to earth at the substation). If you
are using your vehicle outside the UK this light
may illuminate when no fault exists. In these
Reverse
cases consult the site warden for advice.
Polarity
light is
'The Reverse Polarity warning light is
illuminated
on when using my Generator'.
on PSU
This is a normal side effect when using some
types of generator. Instead of connecting the
Generator neutral conductor to earth, some generators
being used centre tap the earth connection making both
neutral and live conductors 110V above earth.
This 110V difference causes the neon polarity
indicator to illuminate. In most cases it is still
safe to use the generator, but please consult the
generator handbook for further information.
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