Number
Fault
of Flashes
Check gas supply making sure there is gas in the bottle
and no blockage in the gas line. Ensure propane is used
1
Flame failure
at temperatures below +5°C. Clear lockout as
described.
Hot air temperature is too high. Check the air ducts and
vents are not blocked or restricted. We recommend
Overheat
2
you wait at least 5 to 10 minutes to allow the heater to
fault
cool before clearing lockout as described. Check
ducting for blockages.
Minimum operating voltage is 10v and max operating
voltage is 15v (for 12v heaters) when measured at the
Low/high
heater. Check battery voltage. If above 10v, check
3
voltage
connections between heater and battery. Check
alternator or external battery charging. Clear lockout as
described.
Check combustion air flue and exhaust flue for
blockages. Possible blockage in combustion air
Combustion
4
inlet/outlet duct. Inspect duct for blockage/damage.
air fault
Inspect inlet pipe on the heater (closest to the back) for
signs of damage.
Other /
Attempt to clear lockout as described. If this fails,
5, 10
internal fault
contact Propex.
Two faults have occurred at the same time OR at least
Solid
General
five or more lockout clearing attempts have been
unsuccessful. Clear lockout as described.
No
PCB not
Check the supply to the heater as above. Check fuse
flashing
powered up
(F1) on main PCB. Otherwise contact Propex
Too Hot/
Temperature inside the vehicle is either above 30°C or
H or C
Too cold
below -21°C.
Propex Heating and Leisure Ltd. Unit 10 Carvers Trading Estate, Ringwood, Hants. BH24 1JS
Tel 01425 486950
www.propexheatsource.co.uk
Remedy
sales@propexheatsource.co.uk
Digital Thermostat
operating
Instructions
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