GAS
OPERATION |
Primary Symptom |
Secondary
Symptom |
Cause |
Cure |
When switching on from cold
no indicator lights come on
|
|
Reversed power
supply |
Check connection
from caravan wiring to wall switch |
Power
not reaching heater |
Check
wiring from wall switch to caravan supply |
Fuses
not in place or blown |
Check
for wiring fault and replace fuse |
When
switching on from cold green light only comes
on and stays on. |
Heater
does not operate
No fail light.
Igniter not working. Gas valve not working |
Multi-pin
plug disconnected at wall switch or heater. |
Re-connect
multi-pin plug |
When switching
on from cold green & yellow lights come on |
Heater does not
operate
Battery condition low causing
pump to run slowly. |
Voltage at
wall switch below 10.5v |
Charge
up caravan battery |
When
switching on, green light comes on and after
10 seconds the red as well .
|
When
listening to the heater during this sequence
a click should be heard followed by intermittent
ticking for 10 seconds. |
Air
in gas supply pipe |
Purge
pipe by switching off and on again. Repeat if
necessary |
No
gas supply |
Incorrect
gas pressure |
Intake of
flue obstructed |
Check isolation
valves & bottle |
Water coming
from cowl |
Pump pressure
too high |
|
A
click heard but no ticking or ticking but no
click |
Poor
connection at multi-pin plug in wall switch or
on heater |
Check and
clear |
|
Pull
out arid reinsert plugs |
Yellow
light comes on when pump is operated |
Pump
runs slowly |
Low
battery voltage or inadequate pump wiring |
Check
and charge battery, If not successful. Check
wiring. |
Red
light comes on after about 30-45 mins. with water
and steam from cowl. |
No continuous
water flow from cowl when pump as running |
Pressure relief
valve operating on temperature rise |
Pump pressure
too high |
Continuous
water flow from cowl when pump is operated |
Fusible plug
blown indicating thermostat failure |
Do not continue
to use heater Seek service attention. |
MAINS
ELECTRIC OPERATION |
Mains
immersion heater does not operate
|
Indicator
light on isolating switch not alight |
Caravan not
connected to site supply |
Connect |
RCD in caravan
tripped |
Reset and
try again. If not successful seek service attention. |
Site supply
not adequate |
Switch off.
Seek warden attention. |
Indicator
light on isolating switch alight |
Thermostat |
Switch
off and seek service attention. |
Over temp.
thermostat |
Reset
button. |