
Munster Simms Engineering Ltd.
, 2 Enterprise Road, Bangor, Co Down, BT19 7TA, U.K.
–
Northern Ireland
tel.: +44 (0)2891 270 531
fax.: +44 (0)2891 466 421
www.whalepumps.com
Page
|
15 of 32
Water Heater
Figure 6b
–
Location of RED reset button on Water H eater
4.1.1.3
–
1 Flash/Bar: No flame detected
Process
Actions
•
Note: the system should attempt 5 x ignition cycles before going
into lockout
•
Try clear lockout (see 4.1.1)
This should cure most simple
problems.
•
Check Gas Supply
–
o
Are other gas appliances working?
o
Can the gas supply pressure be checked? Should be
between 27
–
34 mbar
o
Type of gas- Butane not suitable in cold weather
o
Gas Level in Bottle
o
Gas valve open on bottle
o
Regulator Reset Button (If required)
o
Gas Manifolds open
o
Isolation Gas Taps open (possibly near appliance)
Try to operate the Heater again on
gas. If this has not solved the issue,
proceed to next stage.
Connect a regulated supply directly to
the heater to check if system fault
exists.
•
Check the Flue
–
if competent/willing
o
Remove the flue cover (2 screws) and metal plate
o
Check for:
▪
Obstructions
▪
Water Build up(Condensate)
Clear obstructions or water if
present.
Try to operate the Heater again on
gas after the flue is re-assembled.
•
Listen for solenoid opening. Should be a click/clunk noise
See page 10 Electronic/ component related issues for detail of
ignition cycle
If not heard, then replace solenoid
coil
–
Service Engineer only.
•
Listen for ticking sound from Spark generator
If not heard, replace PCB
–
Service
Engineer only.
4.1.1.4
–
2 Flashes/Bars: Overheat
Process
Actions
•
Wait 5-10mins before trying to clear the lockout or flush Heater
with cold water. This is to allow the overheat stat to reset (see
4.1.1)
This should cure most simple
problems.
RED reset button
located on front face
of Water
Heater