122
“Overheat PCB”
• Failsafe in boiler has triggered.
• Check the fluid level in the expansion tank.
It should be 1 cm 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.
“3rd Party Panel C. Fail”
• Break in comms between Alde control panel
and third party control panel.
• Check the cable between the Alde control
panel and third party control panel.
• Third party control panel is installed in
software but not fitted.
• Untick “Third Party Panel” in Installed
Accessories Menu.
“Low battery”
• 12 V supply to boiler has dropped below
10.5 V, possibly causing system brownout.
• Automatically clears when 12 V supply
reaches 11 V.
“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
ALDE HEATING OPERATING INSTRUCTIONS
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