Supplied By www.heating spares.co Tel. 0161 620 6677
27
FAULT
No display, boiler
inactive
No display, valve
actuator working
(press reset to test)
No display, pump
running
No display, pump
running, fan speed
alternating
No display, boiler
working okay
Pump failure
Fan fault
Ignition fault
GO TO
Test 1
Test 1A
Test 1A
Test 1A
Test 1A
Test 2
Test 3
Test 4
7.12.2 WIRING DIAGRAMS
Figures 36 & 37 indicate the positions of all plugs,
fuses and internal wiring configuration.
7.11.4 REVERSED POLARITY OR SUPPLY FAULT
Repeat the above tests at the appliance isolator,
if testing reveals correct polarity and/or supply at
the isolator, re-check wiring and connections
between the isolator and the appliance.
If tests on the isolator also reveal reversed polarity
or a supply fault, consult the local electricity
supplier for advice.
7.11.5 RESISTANCE TO EARTH CHECK
Isolate the appliance from the electrical supply,
and using a suitable multi-meter carry out a
resistance test. Connect test leads between the
Live & Earth connections at the appliance input
board (see fig.15). If the meter reads other than
infinity there is a fault that must be isolated, carry
out a detailed continuity check to identify the
location of the fault.
IMPORTANT
These series of checks must be carried out
before attempting any fault-finding procedures
on the appliance. On completion of any task that
required the disconnection and re-connection of
any electrical wiring or component, these checks
must be repeated.
7.11.6 FUSES
The appliance is equipped with spare fuses.
These fuses are located on the covers of the input
board and main PCB respectively. If a fuse has
blown it is usually indicative of an external wiring
fault or a faulty component such as the pump, fan,
valve actuator, etc. Under no circumstances
should a blown fuse be replaced with one of a
higher rating.
7.12
FAULT FINDING
BEFORE ATTEMPTING ANY FAULT
DIAGNOSIS OR REPAIR THE FOLLOWING
PROCEDURE SHOULD BE CARRIED OUT:
●
carry out the relevant electrical checks as
detailed in 7.11;
●
disconnect any external wiring from plug M4
(terminals 2 & 3) and replace with a solid link
wire,
●
ensure the appliance is protected – externally –
by a 3 amp fuse.
IMPORTANT
The Eclipse boiler utilises 24V switching. Any
external controls that are directly connected
to the boiler must be suitable for 24V
applications and shall be voltage free. Under
no circumstances should a 230V supply be
connected to plug M4.
7.12.1 FAULT FINDING TESTS
If a lockout code is displayed on LED’s 1 & 2,
please refer to 7.6 for the cause of the lockout.