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Coachman Caravan Company Limited, Amsterdam Road, Sutton Fields Industrial Estate, Hull, HU7 0XF
• Check the circulation pump is
responding.
• Wait 15 mins for the fluid to cool down.
“Overheat PCB”
• Failsafe in boiler has triggered.
• Check the fluid level in the expansion
tank. It should be 1cm above the Min
mark when cool.
• Check the boiler compartment is
ventilated, and that the vents are
unobstructed. Do not place stowage
in the boiler compartment.
“Fan failure”
• Combustion fan speed too low. Bearing
may be stiff after a period of disuse.
• Automatically clears after 5 mins.
Please try again.
“Connection failure”
• Loose connection between Alde control
panel and boiler.
• Unplug cable at the control panel and
boiler, then carefully plug back in.
• Check there is slack on the cable at the
control panel, but not excessive weight
from free-hanging/unmanaged cable.
“Window open”
• Optional window sensor has
triggered, gas heating is suspended.
Automatically clears and gas heating
resumes when window is closed.
“Connection fail ext”
• Break in comms between Alde control
panel and daisy-chained third party
control panel.
• Check the cable between the
Alde control panel and third party
control panel.
“Low battery”
• 12V supply to boiler has dropped
below 10.5V, possibly causing system
brownout.
• Automatically clears when 12V
supply reaches 11V.
“No match Heater/Panel”
• Control panel is incompatible with
boiler PCB.
• Check control panel part number.
Control panel 3020-013 is for 3020
A-series boiler, 3020-113 is for 3020
HE-series boiler.
If problems persist, please contact Alde,
or your dealer or installer.
For our frequently asked questions,
or download all instruction manuals,
please visit our web site at:
www.alde.co.uk or watch a
demonstration on YouTube -
“How to use the Alde 3020
control panel”